Full list of
research and applied [App.] publications
(Last update: June 2007)
124. [App.] Tonev, T.K.
& L. Shtereva. 2006. Reaction to water stress in (winter) wheat and corn,
cultivated as long-term continuous crop, Nat. Conf. Sept. 12, 2006, Sofia, Book
of reports, 86-90 [In Bulg. // 2 fig. // Orgiginal title: Reakcija na
woden stres na pshenitsa i tsarevitsa, otglezhdani kato monokultura].
123. [App.] Tonev, T.K.
2006. Untypical saturation of crop rotation (in
122. Tonev, T.K. 2006. Agronomy
characteristics of high yielding sunflower crop (Resume of Research for
Habilitation), Res. Commun. of U.S.B.
branch Dobrich, Vol. 8 (Electronic version) [In Engl. // 26 ref.] – full text on-line.
121. Tonev, T.K. 2006. Risk
of wintering and effect of mineral fertilization on winter oilseed rape under
the conditions of Norh-East Bulgaria, Plant
Breeding and Seed Science (Poland), 53: 95-105 [In Engl. // 5 tabl.,
1 fig., 20 ref.] – on-line abstract.
120.
[App.]
Tonev, T.K. 2006. Climatic risk for cultivation of winter rape in NorthEast
Bulgaria, The New Farmer, No.
393/06.06.2006, p. 5 & p. 7; No. 394/13.06.2006, p. 5 & p. 7. [In
Bulg. // Original title: Klimatichen risk pri otglezhdane na zimna rapitsa
v Severoiztochna B’lgaria]
119. Mihailov, R., G.
Mihova, D. Dishev & T.K. Tonev. 2006. Pressure status and deformation
status modeling of the barley plant, Field
Crops Studies, Vol. 3, No. 3: 341-350. [In Bulg., abs. in Engl. // 3
tabl., 8 fig., 13 ref. // Original title: Modelirane na napregnatoto i
deformatsionno s’stoyanie na rastenie ot echemik]
118.
Kirchev, H., D. Penkov, Zh. Terziev &
T.K. Tonev. 2006. Energy productivity of triticale varieties according to
environment and nitrogen fertilization, Field
Crops Studies, Vol. 3, No. 2: 289-295. [In Bulg., abs. in Engl. // 1
tabl., 1 fig., 11 ref. // Original title: Energiyna
produktivnost na sortove tririkale v zavisimost ot usloviyata na otglezhdane i
azotnoto torene]
117. Tonev, T.K., G.
Mihova, R. Mihailov & P.N. Penchev. 2006. Study on stem morphological
differences in winter barley genotypes according to predecessor and nitrogen
rate, and in relation to stem lodging, Field
Crops Studies, Vol. 3, No. 2: 269-281 [In Bulg., abs. in Engl. // 5
tabl., 1 fig., 18 ref. // Original title: Izsledvane v’rhu morfologichnite izmeneniya
na st’bloto v’v vr’zka s polyaganeto pri razlichni genotipove echemik v
zavisimost ot predshestvenika I azotnata norma].
116. Mihova, G., R.
Mihailov, T.K. Tonev & V.I. Demirev. 2006. Correlations between traits
related to lodging resistance in barley, Field
Crop Studies, Vol. 3, No. 1: 37-43 [In Engl., abs. in Bulg. // 3
tabl., 1 fig., 17 ref.].
115. [App.] Tonev, T.K.
2006. Fertilization in crop rotation couples winter wheat – sunflower and
sunflower – winter wheat, The New Farmer, No. 386/18.04.2006, p. 5-6 [In
Bulg. // Original title: Torene pri seitbooborotnite dvoyki pshenitsa –
sl’nchogled I sl’nchogled - pshenitsa].
114. Mihailov, R., G. Mihova, T.K. Tonev & V.I. Demirev. 2006.
Study on barley variety Aheloy 2 lodging resistance: Mechanical point of view, Mechanics of the machines, Vol. 64, No.
3: 139-142. [In Bulg., abs. in Engl. // Original title: Izsledvane v’rhu
yavlenieto polyagane pri echemik genotip Aheloy 2 ot mehnaichna gledna tochka].
113. Mihailov, R., G. Mihova, T.K. Tonev & V.I. Demirev. 2006. Physical characteristics of barley variety Aheloy 2, Prec. Of 10th
Jubilee National Congr. of Theor. and App. Mechanics, Sept., 13-16, 2005,
112. Tonev, T.K. 2005.
Agronomy characteristics of high productive crop of sunflower, Dissertation for
habilitation, Dobrich, 305 p. [In Bulg. // 86 tabl., 38 fig., 327 ref.
// Original title: Agronomicheska harakteristika na visoko produktivniya posev
ot sl’nchogled].
111. [App.] Tonev, T. 2005.
When the late sowing in winter cereals is necessary, Agricultural Technics, No. 22, p. 5 [In Bulg.].
110. Tonev, T.K., H. Kirchev & V. Koteva. 2005. Dynamics of winter wheat yield
after reduction of NPK rates in crop rotation, Bulg. J. Agric. Sci., 11: 539-550 [In Engl. // 3 tabl., 1
fig., 15 ref.]. – on-line abstract
109.
Kirchev, H., Zh. Terziev & T.K. Tonev. 2005. Productivity
parameters in new triticale varieties according to the nitrogen rate, Sci. Works of Agricultural University in
Plovdiv, Vol. L, No. 4: 153-158 [in Bulg., abs, in Engl. // 2 tabl.,
2 fig., 10 ref. // Original title: Parametri na produktivnostta pri novi
sortove tritikale v zavisimost ot azotnata norma].
108.
Kirchev, H., T.K. Tonev & Zh. Terziev. 2005. The triticale varieties
responding to extremal growing conditions in Dobroudja, Sci. Works ot Agricultural University in Plovdiv, Vol. L, No. 1:
51-58 [In Bulg., abs. in Engl. // 2 tabl., 3 fig., 9 ref. // Original
title: Reaktsii na sortove tritikale pri ekstremalni uslovija na otglezhdane v
Dobrudzha].
107. Tonev, T.K. & I.I.
Iliev. 2005. Snow cover and yield in winter wheat and corn distribution in
protected by forest belts field, Balkan Sci. Conf. "Breeding and cultural
practices of the crops", June, 2, 2005, Karnobat, Bulgaria, 380-384. [In
Bulg., abs. in Engl. // 3 tabl., 3 fig., 6 ref. // Original title:
Razpredelenie na slezhnata pokrivka i na dobiva ot pshenitsa i tsarevitsa v
zashtiteno ot pojasi pole].
106. [App.] Tonev, TK.
2005. The production of dry bean - naturally, fortuitously or
premeditatedly in a collapse, The New
Famer, No. 331, 332 and 333. [In Bulg. // Original title:
Proizvodstvoto na zrjal fasul - zakonomerno, sluchajno ili nesluchajno v
kolaps].
105. Donkova, D. & T.K. Tonev (2005) Post-harvest residues of winter wheat and corn and their incorporation
depending on nitrogen fertilization; I. Amount of post-harvest residues, Bulg.
J. Agric. Sci., 11, No. 1: 11-22. [In Engl. // 2
tabl., 3 fig. // 23 ref.]. – on-line abstract
104. Tonev, T.K. 2005. Seed oil content depending on previous
crop, previous-year and direct applied nitrogen rate in sunflower, Res. Commun. of U.S.B. branch Dobrich
(Nauchni s'obshtenija na SUB kl. Dobrich) – Electronic version,
vol. 7 (1) [In Bulg., abs. in Engl. // 2 tabl., 2 fig., 11 ref. //
Original title: S'd'rzhanie na maslo v semenata v zavisimost ot
predshestvenika, predshestvashtata i prjakata azotna norma pri sl'nchogleda] –
on-line full text
103. Tonev, T., S. Parveva
& M. Stoyanov. 2004. Economic efficiency of nitrogen fertilization in
growing winter wheat after grain legume predecessors, Soil Science, Agrochemistry and Ecology (Pochvoznanie, agrohimija i
ekologija), vol. XXXIX, No. 3: 70-78. [In Bulg., abs. in Engl. // 3
tabl., 10 ref. // Original title: Ikonomicheska efektivnost na azotnoto torene
pri otglezhdane na pshenitsa sled z'rneno-bobovi predshestvenitsi].
102. Nankova, M. & T.K.
Tonev. 2004. Concentration of main macroelements and their distribution in
plants during development stages according to previous crop and direct nitrogen
fertilization of sunflower; I. Concentration and re-distribution of nitrogen, Field Crops Stuidies, vol. 1 (3):
439-447. [In Bulg., abs. in Engl. // 3 tabl., 2 fig., 6 ref. // Original
title: Kontsentratsija na osnovnite makroelementi i razpredelenieto im po fazi
na razvitie v zavisimost ot predshestvashtoto i prjakoto azotno torene pri
sl;nchogleda; I. Kontsentratsija i prerazpredelenie na azota].
101. Penchev, PN, B.
Gramatikov & TK Tonev. 2004. Effect of some agrotechnical factors on the
productivity of winter wheat variety Milena in South-East Bulgaria, Field Crops Studies, vol. 1 (1):
141-145. [In Bulg., abs. in Engl. // 2 tabl., 8 ref. // Original title:
Vlijanie na njakoi agrotehnicheski faktori v'rhu produktivnostta na zimna
pshenitsa sort Milena v Yugoiztochna B'lgarija].
100. Kasimov, I. & T.
Tonev. 2004. Influence of previous crop and mineral fertilization on the
productivity of new winter wheat varieties under the extreme conditions for
sowing, wintering and spring vegetation during 2002/03, Res. Commun. of U.S.B. branch Dobrich, vol. 6: 78-84. [In Bulg.,
abs. in Engl. // 4 tabl., 1 fig., 3 ref. // Original title: Vlijanie na
predshestvenika i mineralnoto torene v'rhu produktivnostta na novi sortove
pshenitsa pri ekstremalnite uslovija z seitba, prezimuvane i proletna
vegetacija prez 2002/03 g.]. – on-line abstract
99. Encheva, V., T.K. Tonev & P. Yankov. 2003. Independent and combined
effect of genotype and some agronomy factors on yield and Phomopsis helianthi infection in sunflower, II. Effect on Phomopsis helianthi infection, Bulg. J. Agric. Sci., 9, No. 5-6: 615-620. [In Engl. // 2 tabl., 1 fig., 14
ref.]. – on-line abstract
98. Tonev, TK,
97. Stoeva, I. & T. Tonev. 2003. Yield and quality performance of winter
wheat variety Pliska during 15 years of cropping with different fertilization level
and rotation, Bulg. J. Agric. Sci.,
9, No. 3: 297-303 [In Engl. // 4 tabl., 1 fig., 12 ref.]. –
on-line abstract
96. Tonev, T. 2003. Risk of
sub-optimal density in sunflower due to the term and the depth of sowing, Res. Commun. of U.S.B. branch Dobrich
(Nauchni s'obshteniya na SUB kl. Dobrich), vol. 5 (1): 66-71 [In Bulg., abs.
in Engl. // 1 tabl., 2 fig., 5 ref. // Original title: Risk ot poluchavane
na suboptimalna g'stota pri sl'nchogleda v zavisimost ot sroka i d'lbochinata
na seitba]. – on-line abstract
95. [App.] Tonev, T., M.
Nankova, D. Georgiev, I. Iliev, G. Milev, P. Yankov, G. Sabev & N. Nakov.
2002. Strategy for development of the agricultural production in Dobrich
district after 2002 (An extract from the compect project), Dobroudja Agric.
Inst. - General Toshevo //In Bulg. // Original title: Strategija za
razvitieto na zemedelieto v Dobrichka oblast sled 2002 g.]
94. Tonev, T. 2002.
Influence of the protective forest belts on the yield of field crops, National
working shop on the problems of the forest belts, June, 20-21, 2002, Dobrich,
92-98 [In Bulg. // 9 tabl., 2 fig., 19 ref. // Original title: Vliyanie
na polezashtitnite gorski poyasi v'rhu dobivite ot zemedelskite kulturi].
93. [App.] Tonev, T. 2002.
Cultivation of winter rape, Agronomist
(Agronom), No. 8: 26-27 [In Bulg. // Original title: Otglevdane na zimna
rapitsa].
92. Penchev, P., Z. Popova
& T. Tonev. 2002. Comparative investigation of new Bulgarian varieties of
winter wheat, Proc. Of the Scientific Session of Jubilee,
91. Donkova, D. & T.
Tonev. 2002. Influence of post-harvest plant residues incorporation on the
yield and the effect of nitrogen fertilization in winter wheat and corn, Proc.
Of the Scientific Session of Jubilee,
90. Tonev, T. 2002. The
protective forest belts in Dobroudja region and their influence for the
agrarian production, In: Science, Environment and Sustainable Developmen
(Nauka, okolna sreda i ustoychivo razvitie), SUB Veliko Tarnovo, 297-301 [In
Bulg. // 12 ref. // Original title: Polezashtitnite gorski poyasi v
Dobroudja i znachenieto im za agrarnoto proizvodstvo].
89. Yankov, P., T. Tonev
& V. Encheva. 2002. Independent and combined effect of genotype and some
agronomy factors on yield and Phomopsis
helianthi infection in sunflower; I. Effect on seed yield, Bulg. J. Agric. Sci., 8: 167-173 [In
Engl. // 4 tabl., 13 ref.]. – on-line abstract
88. Tonev, T.
2002.Comparative study of sorghum and millet due to their participation in
Dobroudja crop rotations, Nauchni
s’obshtenia na SUB kl. Dobrich (Res. Commun. of USB branch Dobrich), 4 (1):
64-70 [In Bulg., abs. in Engl. // 5 tabl., 1 fig., 19 ref. // Original
title: Sravnitelno izpitvane na sorgo i proso vuv vruzka s uchastieto im v
polskite seitboobrashtenija v Dobrudja].
87. Kirchev, H. & T.
Tonev. 2002. Productivity of sunflower due to reduction of the mineral
fertilization in crop rotation, Nauchni
s’obshtenia na SUB kl. Dobrich (Res. Commun. of USB branch Dobrich), 4 (1):
58-63 [In Bulg., abs. in Engl. // 4 tabl., 1 fig., 8 ref. // Original
title: Produktivnost na slun`ogleda pri reducirano mineralno torene v
seitboobrashtenieto].
86. Tonev, T. 2001. Direct
and indirect effect of intensification the fields with spring crops by forecrop
under the conditions of Dobroudja, Ann. Sci. Session “50 Years Dobroudja Agric.
Institute – General Toshevo”,
85. Stoyanov, I. & T.
Tonev. 2002. Productivity of maize hybrids of different early-maturity groups
under the conditions of Rousse region, Ann. Sci. Session “50 Years Dobroudja
Agric. Institute – General Toshevo”,
June, 1, 2001, Dobrich, vol. 2: 542-546 [In Bulg., abs. in Engl. // 3
tabl., 7 ref. // Original title: Pruduktivnost na hibridi carevica s razli`na
ranozrelost v rajona na Ruse/.
84.
Tonev,
T. 2001. Relationships between previous-year and direct applied nitrogen rates
in rotation couple with winter wheat and sunflower, Sci. Session "80 years
high agricultural education in Bulgaria", Nov., 15-17, 2001, Plovdiv, AU -
Plovdiv, Nauchni trudove (Sci. Works), vol. XLVI, No. 2: 197-204. [In Bulg.,
abs. in Engl. // 4 tabl., 15 ref. // Original title: Zavisimosti mezhdu
predshestvashtata i prjakata azotni normi v seitbooborotni dvojki s pshenica i
slunchogled].
83. Tonev, T.K. 2001.
Special features and role of crop rotation in the ecological farm: Review, Nauchni s’obshtenia na SUB kl. Dobrich (Res.
Commun. of USB branch Dobrich), 3: 53-59 [In Bulg., abs. in Engl. //
6 tabl., 12 ref. // Original title: Otlichitelni osobenosti i rolja na
seitbooborota v ekologichnata ferma: Obzor].
82. [App.] Tonev, T. 2000.
The wheat and the crop rotation, Dobroudja
tribune, LVII, 185 (7621), Sept., 26, 2000, p. 3 [In Bulg. //
Original title: Pshenicata i seitboobrashtenieto].
81. Iliev, I. & T. Tonev.
2000. Optimizing the models for calculation of sunflower leaf area; II.
Relations between leaf area and leaf dimensions, and optimizing the equalizing
coefficient K, Bulg. J. Agric. Sci., 6:
399-404 [In Engl., abs. in Engl. // 4 tabl., 3 fig., 13 ref.]. – on-line
abstract
80. Tonev, T. 2000. Possibility for reduction of N-rate in sunflower under
the conditions of natural water supply and due to previous-year applied N-rate, Proc.
Of Symposium “rehabilitation of grass land and control of desertification in
dry area, Guyuan, China, July 1-3, 2000, 212-222. [In Engl. // 4 tabl.,
2 fig., 15 ref.].
79. Stoyanov, I., M.
Stoyanova & T. Tonev. 2000. Influence of long-term applied mineral
fertilization on yield and chemical-technological quality of common bean under
the conditions of strong leached chernozems, Nauchni s’obshtenia na SUB kl. Dobrich (Res. Commun. of USB branch
Dobrich), 2: 143-148. [In Bulg., abs. in Engl. // 4 tabl., 1 fig., 9
ref. // Original title: Vliyanie na prod’ljitelnoto mineralno torene v’rhu
dobiva i chimiko-technologichnite kachestva na polskiya fasul v usloviyata na
izlujen chernozem].
78. Ivanov, P., I. Stoeva,
I. Ivanova, T. Tonev & M. Gospodinov. 2000. Effect of long-term applied
mineral fertilization on grain protein quality in winter wheat; IV. Bread
making qualities of grain protein, Nauchni
s’obshtenia na SUB kl. Dobrich (Res. Commun. of USB branch Dobrich), 2:
100-105. [In Engl., abs. in Bulg. // 5 tabl., 17 ref.].
77. Tonev, T. & T.
Kostadinov. 2000. Linear trend in agroclimatic characteristics of plain
Dobroudja region; II. Precipitation, air humidity, natural water supply, Nauchni s’obshtenia na SUB kl. Dobrich (Res.
Commun. of USB branch Dobrich), 2: 22-27. [In Bulg., abs. in Engl.
// 3 tabl., 3 fig., 6 ref. // Original title: Linejni izmenenia v
agroklimatichnata charakteristika na ravninna Dobrudja; II. Valeji, vlajnost na
v’zduha, vlagoobezpechenost].
76. Tonev, T. & T.
Kostadinov. 2000. Linear trend in agroclimatic characteristics of plain
Dobroudja region; I. Air temperature and vegetation periods, Nauchni s’obshtenia na SUB kl. Dobrich (Res.
Commun. of USB branch Dobrich), 2: 16-21. [In Bulg., abs. in Engl.
// 2 tabl., 2 fig., 5 ref. // Original title: Linejni izmenenia v agroklimatichnata
charakteristika na ravninna Dobrudja; I. Temperatura na v’zduha i vegetacionni
periodi].
75. Tonev, T., I. Mitova, M. Mihov & G. Milev. 2000. Dry matter
accumulation and chemical composition in Bulgarian varieties of lentil; II. Chemical composition
of lentil varieties, Bulg. J. Agric. Sci.,
6: 9-15. [In Engl. // 3
tabl., 2 fig., 9 ref.]. – on-line abstract
74. [App.] Kasimov, I., I.
Panayotov, K. Kostov, T. Tonev, P. Yankov, M. Nankova, I. Iliev, P. Dimitrov,
G. Sabev & D. Georgiev. 1999. Common winter wheat, Zemedelie plus (Agriculture plus), 3: 11-22. [In Bulg. //
Original title: Obiknovena zimna pshenitsa].
73. Tonev, T., M. Mihov, I.
Mitova & G. Milev. 1999. Dry matter accumulation and chemical composition
in Bulgarian varieties of lentil; I. Dry matter accumulation, Bulg. J. Agric. Sci., 5: 827-833. [In Engl. // 3
tabl., 2 fig., 17 ref.]. – on-line abstract
72. Tonev, T. 1999.
Correlation between previous and direct nitrogen fertilizer application in
wheat under the conditions of Northeastern Bulgaria, Selskostopanska nauka (Agricultural Science), 37 (1): 18-23. [In Bulg., abs. in Russ., Engl. // 3 tabl.,
16 ref. // Original title: Zavisimosti mejdu predshestvashtoto i pryakoto
azotno torene pri pshenitsata v usloviyata na Severoiztochna B’lgaria].
71.
Ivanov, P., M. Gospodinov, I. Ivanova & T. Tonev. 1999. Effect of
long-term applied mineral fertilization on grain protein quality in winter
wheat; III. Amino acid composition of the protein and its fractions, Nauchni s’obshtenia na SUB klon Dobrich
(Res, Commun. of USB branch Dobrich), 1:
92-98. [In Bulg., abs. in Engl. // 3 tabl., 6 ref. // Original title:
Vliyanie na prod’ljitelnoto mineralno torene v’rhu kachestvoto na proteina pri
zimnata pshenitsa; III. Aminokiselinen s’stav na proteina i negovite fraktsii v
z’rnoto ot pshenitsa].
70.
Ivanov, P., M. Gospodinov, I. Ivanova & T. Tonev. 1999. Effect of
long-term applied mineral fertilization on grain protein quality in winter
wheat; II. Quantiti and composition of wheat grain protein, Nauchni s’obshtenia na SUB klon Dobrich
(Res, Commun. of USB branch Dobrich), 1:
87-71. [In Bulg., abs. in Engl. // 2 tabl., 3 fig., 10 ref. // Original
title: Vliyanie na prod’ljitelnoto mineralno torene v’rhu kachestvoto na
proteina v z’rnoto ot pshenitsa; II. Kolichestvo i fraktsionen s’stav na
proteina].
69. Gospodinov, M., T.
Tonev, M. Nankova, P. Ivanov & I. Ivanova. 1999. Effect of long-term
applied mineral fertilization on grain protein quality in winter wheat; I.
Productive parameters in winter wheat, Nauchni
s’obshtenia na SUB klon Dobrich (Res, Commun. of USB branch Dobrich), 1: 81-86. [In Bulg., abs. in Engl.
// 5 tabl., 13 ref. // Original title: Vliyanie na prod’ljitelnoto mineralno
torene v’rhu kachestvoto na proteina v z’rnoto ot pshenitsa; I. Parametri na
produktivnostta na pshenitsata].
68. Tonev, T. 1999. Study
on the part of lucerne in formation of the productivity of 8-year forage
rotation, Nauchni s’obshtenia na SUB klon
Dobrich (Res, Commun. of USB branch Dobrich), 1: 64-68. [In Bulg., abs. in Engl. // 2 tabl., 2 fig, 6 ref.
// Original title: Izsledvane na dela i rolyata na lyucernata v’rhu
produktivnostta na furajen seitbooborot].
67. [App.] Panayotov, I.,
D. Georgiev, I. Kasimov, M. Nankova, I. Iliev, P. Dimitrov, G. Sabev, T. Tonev,
K. Kostov, P. Yankov, Ch. Karjin, D. Slavov, Ch. Filipov, T. Zacharieva, Y. Karadjova,
Ch. Krasteva, P. Grigorov, O. Dekov & V. Spasov. 1998. Technology for
production of winter wheat, National system for extention service in
agriculture & Lokal office for extention service at I.W.S. “Dobroudja”. [In
Bulg. // Original title: Technologia za proizvodstvo na pshenica].
66. [App.] Tonev, T. 1998.
The conditions in Bulgaria - in advantage and against
harvest residues burning, Agropari
(Agrarian Money), Nov. 18 1998, 178
(47): p. 5, [In Bulg. // Original title: Usloviyata u nas v polza i
protiv izgaryaneto na st’rnishtata].
65. Tonev, T. 1998. Position and role of dry bean crop in the crop rotation, In:
Genchev, D. (Ed.) Advances in common bean (Ph. vulgaris) research in Bulgaria,
Proc. Of Bulgarian workshop in I.W.S. near Gen. Toshevo, Apr. 3, 1998, 3:
24-27. [In Engl. // 4 tabl., 1 fig., 7 ref.].
64. Georgiev, D., D.
Genchev, G. Sabev, P. Dimitrov, N. Nankov, T. Tonev, G. Milev, I. Kiryakov
& P. Yankov. 1998. Bean producing technology. In: Genchev, D. (Ed.)
Advances in common bean (Ph. vulgaris) research in Bulgaria, Proc. Of Bulgarian
workshop in I.W.S. near Gen. Toshevo, Apr. 3, 1998, 3: 19-23. [In Engl.].
63. Tonev, T. & I.
Iliev. 1998. Optimizing the models for calculation of sunflower leaf area; I.
Geometric parameters of the leaf lamina during the development of some hybrids
and varieties, Bulg. J. Agric. Sci.,
4: 625-632. [In Engl. // 4 fig., 13 ref.].
62. Tonev, T. & P. Penchev. 1998. Study on spring sowing of winter
barley under the conditions of risky wintering in Dobroudja, Short Commun. of 5th Congress of ESA, 28 June - 2 July,
1998, Nitra, Slovak Rep., 1: 69-70. [In Engl. // 1 tabl., 1 fig., 3
ref.].
61. [App.] Panayotov, I.,
D. Georgiev, I. Kasimov, M. Nankova, I. Iliev, P. Dimitrov, G. Sabev, T. Tonev,
K. Kostov, P. Yankov, Ch. Karjin, D. Slavov, Ch. Filipov, T. Zacharieva, Y.
Karadjova, Ch. Krasteva, P. Grigorov, O. Dekov & V. Spasov. 1997. Winter
wheat, In: Production of winter wheat and winter barley (Model technologies),
National system for extention service in agriculture, Ministry of agriculture
& Agricultural Academy, 5-44. [In Bulg. // 5 tabl. // Original
title: Pshenica; proizvodstvo na pshenitsa i echemik (Primerni technologii)].
60. [App.] Georgiev, D., P.
Petrov, D. Genchev, P. Dimitrov, G. Sabev, N. Nankov, T. Tonev, G. Milev, V.
Encheva & I. Kiryakov. 1997. Technologies for production of sunflower and
common bean, I.W.S. “Dobroudja” near Gen. Toshevo, [In Bulg. // 17 pp.,
1 tabl. // Original title: Technologii za proizvodstvo na sl’nchogled i polski
fasul].
59. Tonev, T. 1997.
Stability of productivity of the wheat, grown in different crop rotation, Nauchni trudove na W.S.I. - Plovdiv (Sci.
Works of H.A.I. - Plovdiv), 42
(1): 243-246. [In Bulg., abs. in Engl. // 2 tabl., 6 ref. // Original
title: Stabilnost na produktivnostta na poseva ot pshenitsa, otglejdana v
razlichni tipove seitboobrashtenia].
58. Tonev, T. & M.
Stoyanova. 1997. The influence of the distance from the northern and southern
forest belts on the yield and quality of two dry bean cultivars, Proc. Of 1st
Balkan Symp. On Vegetables and Potatoes, July, 4-7, 1996, Belgrade, Yugoslavia,
Acta Hort., (462) v. 2: 793-799. [In Engl. // 2 tabl., 2 fig., 12 ref.].
57. Shterev, P. & T.
Tonev. 1997. Gross return of fertilizers energy used in winter wheat
cultivation in different crop rotations, Ikonomika
i upravlenie na selskoto stopanstvo (Agricultural Economics and Management). 42 (7-8): 30-34. [In Bulg., abs. in
Engl. // 2 tabl., 1 fig., 12 ref. // Original title: Brutna v’zvr’shtaemost
na vlojenata s torovete energia pri otglejdane na pshenitsa w razlichni polski
seitboobrashtenia].
56. Shterev, P. & T.
Tonev. 1997. A methodical approach in the calculation of energy consumption of
mechanical activity in the plant production, Ikonomika i upravlenie na selskoto stopanstvo (Agricultural Economics
and Management). 42 (5-6):
67-69. [In Bulg., abs. in Engl. // 10 ref. // Original title:
Metodicheski podchod pri izchislyavane na energorazhoda na mechaniziranite
raboti v rasteniv’dstvoto].
55. Koteva, V., V.
Nikolova, T. Tonev & M. Videva. 1997. Effect of fertilization on the
quality of sunflower grown on leached smolnitsa in Southeastern Bulgaria, Pochvoznanie, agrochimia i ekologia (Soil
Sci., Agrochemiostry and Ecology), 32
(6): 85-88. [In Bulg., abs. in Engl. // 5 tabl., 11 ref. // Original
title: Vliyanie na toreneto v’rhu kachestvoto na sl’nchogleda, otglejdan na
izlujena smolnitsa v Yugoiztochna B’lgaria].
54. Shterev, P., G. Milev
& T. Tonev. 1997. Energy valuation of winter wheat production under the
conditions of Dobroudja region, due to predecessor, its inoculation and applied
mineral fertilization, , Proc. Of 27th Ann. ESNA/IUR Meeting, Aug.
29 - Sept. 2, 1997, Ghent, Belgium, 107-113. [In Engl. // 3 tabl., 1
fig., 12 ref.].
53. Tonev, T. 1997.
Theoretical relationships between applies previous and direct nitrogen
fertilization in winter wheat under the conditions of slightly leached
chernozem in Dobroudja, Proc. Of 27th Ann. ESNA/IUR Meeting, Aug. 29
- Sept. 2, 1997, Ghent, Belgium, 93-99. [<In Engl. // 3 tabl., 2 fig., 12
ref.].
52. Tonev, T. 1997. Total
energy production by crop rotations of diverse type in Dobroudja, Rasteniev’dni nauki (Plant Sciences), 34 (3-4): 58-63. [In Bulg., abs. in
Russ., Engl. // 4 tabl., 12 ref. // Original title: Brutna energiyna
produktivnost na razlichni tipove z’rneni seitboobrashteniya v Dobrudja].
51. [App.] Tonev, T. &
T. Walkowski. 1996. Winter raps in Poland, Zemedelie
plus (Agriculture plus), No. 12: p. 23. [In Bulg. // 1 tabl. //
Original title: Zimnata rapitsa v Polsha].
50. [App.] Tonev, T. 1996.
Choice of field for coming sowing of winter wheat, B’lgarski fermer (Bulgarian Farmer), No. 254, p. 13. [In Bulg.
// Original title: Izbor na pole za predstoyashtata seitba na pshenitsa].
49. [App.] Ivanov, P., P.
Shterev, H. Kontev, I. Panayotov, M. Mihov, D. Georgiev, P. Petrov, D. Genchev,
L. Mitranov, I. Todorov, G. Sabev, I. Iliev, N. Nankov, M. Nankova, T. Tonev,
G. Milev, I.I. Iliev & P. Yankov. 1996. Problems of grain production in
1996 and reccomendations of the Institute of Wheat and Sunflower “Dobroudja”
for their solution, National Meeting in I.W.S. near Gen. Toshevo, Febr., 1996.
[In Bulg. // 15 pp. // Original title: Problemi na z’rnenoto
proizvodstvo prez 1996 godina i prepor’ki na IPS “Dobrudja” za reshavaneto im].
48. Tonev, T. 1996.
Influence of nitrogen rate in sunflower on the effect of nitrogen fertilization
in subsequent winter wheat, HELIA, 19 (25): 63-70. [In Engl., abs. Sp.,
Fr. // 5 tabl., 16 ref.].
47. Tonev, T. 1996.
Productive potential of cereal crop rotations in Dobroudja; I. Yield of grain
and biological yield, Rasteniev’dni nauki
(Plant Sciences), 33 (9) 10-16.
[In Bulg., abs. in Russ., Engl. // 4 tabl., 18 ref. // Original title:
Produktiven potentsial na razlichni tipove z’rneni seitboobrashteniya v
Dobrudja; I. Dobiv na z’rno i biologichen dobiv].
46. Tonev, T. 1996. Effect
of nitrogen fertilization on grain yield of faba bean depending on plant
arrangements, Proc. Of the Seminar “Rehabilitation of Faba Bean”, May, 24-26,
1995, Rabat, Morocco, 89-94. [In Engl. // 2 tabl., 2 fig., 10 ref.].
45. Tonev, T. 1996.
Relationships between previous and direct nitrogen fertilization in winter
wheat grown after grain legumes; Effect on the grain yield, Bulgarian Journal of Agric. Sci., 2:
429-438. [In Engl. // 4 tabl., 17 ref.].
44. Tonev, T., V. Encheva & I. Iliev. 1996. Reduction in leaf area in
sunflower due to infection of Phomopsis helianthi Mint.-Cuel et al., Proc. Of
the XXVI ESNA/IUR Ann. Meeting, Sept., 12-16, 1996, Buesteni, Romania, 114-118.
[In Engl. // 2 tabl., 1 fig., 12 ref.].
43. Tonev, T. & V.
Nikolova. 1996. Influence of the agroecological conditions on seed oil content
and fatty acid composition in the oil of sunflower, Pochvoznanie, agrochimia i ekologia (Soil Sci., Agrochemistry and
Ecology), 31 (part III):
165-167. [In Bulg., abs. in Engl. // 3 tabl., 14 ref. // Original title:
Vliyanie na agroekologichnite usloviya v’rhu maslenostta na semenata i
mastnokiselinniya s’stav na sl’nchogledovoto maslo].
42. Nankova, M., T. Tonev
& L. Shtereva. 1996. Humus fraction composition of slightly leached
chernozem depending on durationof fertilization and rotation type; II.
Influence of rotation type, Pochvoznanie,
agrochimia i ekologia (Soil Sci., Agrochemistry and Ecology), 31 (part III): 115-117. [In Bulg.,
abs. in Engl. // 3 tabl., 9 ref. // Original title: Fraktsionen s’stav na
humusa na slabo izlujen chernozem v zavsimost ot prod’ljitelnoto torene i tipa
na seitboobrashtenieto; II. Vliyanie na tipa na seitboobrashtenieto].
41. Tonev, T. 1996.
Comparative evaluation of the total productivity of crop rotation links of the
type “grain legume crop - wheat” as affected by nitrogen fertilization, Rasteniev’dni nauki (Plant Sciences), 33 (2): 22-27. [In Bulg., abs. in
Russ., Engl. // 2 tabl., 2 fig, 13 ref. // Original title: Sravnitelna
otsenka na brutnata produktivnost na seitbooborotni zvena ot vida
z’rneno-bobova kultura - pshenitsa s prilagane na azotno torene].
40. Tonev, T. 1996. Main
steps in the cultivation of ti-type forage broad beans, Selskostopanska nauka (Agricultural Science), 34 (2): 26-29. [In Bulg., abs. in Russ., Engl. // 2 tabl., 1
fig., 22 ref. // Original title: Osnovni zvena ot agrotechnikata na ti-tip
furajna bakla za zyrno].
39. Tonev, T. & P.
Penchev. 1996. Study on some agronomy factors in two-range winter barley in
Dobroudja region, Nauchni trudove na IE -
Karnobat (Sci. Works of I.B. - Karnobat), 7: 263-266. [In Bulg. // 4 tabl., 4 ref. // Original title:
Prouchvane v’rhu nyakoi elementi ot agrotechnikata na dvureden echemik v
Dobrudja].
38. Tonev, T. & L.
Shtereva. 1996. Results of growing wheat in long-term monoculture and two-field
in 1983-1992 period, Pochvoznanie,
agrochimia i ekologia (Soil Science, Agrochemistry and Ecology), 31 (1): 29-33. [In Bulg., abs. in
Engl. // 5 tabl., 1 fig., 17 ref. // Original title: Rezultati ot
otglejdane na pshenitsa v prod’ljitelna monokultura i dvupolka za perioda 1983-1992
godina].
37. [App.] Tonev, T. 1995.
Agronomy valuation of South Dobroudja region, Seminar “Conservation of the
nature in the step zones, and sustainable agriculture in South Dobroudja”,
Bulgarian/Swiss Program for Conservation of Biological Diversity, Oct., 26-29,
1995, Balchik. [In Bulg. // Original title: Agronomicheska otsenka za
rayona na Yujna Dobrudja].
36. [App.] Tonev, T. 1995.
Crop alternate - problem No. 1 in sunflower, B’lgarski fermer (Bulgaria farmer) // Appx. Agronom (Agronomist),
No. 21 (551): p. 4. [In Bulg. // Original title: Reduvaneto - problem
No. 1 pri sl’nchogleda].
35. [App.] Tonev, T. 1995.
Wheat have the principle part in the crop rotation, B’lgarski fermer (Bulgarian farmer) // Appx. Agronom (Agronomist),
No. 20 (550): p. 5. [In Bulg. // Original title: Pshenitsata igrae
glavna rolya v seitbooborota na kulturite].
34. Tonev, T. 1995.
Influence of nitrogen fertilization on productivity of rotation link “cereal
predecessor - winter wheat”; III. Effect on mass energy productivity of
rotation link, In: Breeding and cultivation of wheat, sunflower and legume
crops (1st Balkan Symposium), June, 26-29, 1995, Albena-I.W.S.,
Bulgaria, 504-508. [In Engl. // 2 tabl., 1 fig., 7 ref.].
33. Tonev, T. & M.
Gospodinov. 1995. Influence of nitrogen fertilization on productivity of
rotation link “cereal predecessor - winter wheat”; II. Effect on grain yield of
coming wheat, In: Breeding and cultivation of wheat, sunflower and legume crops
(1st Balkan Symposium), June, 26-29, 1995, Albena-I.W.S., Bulgaria,
498-503. [In Engl. // 3 tabl., 14 ref.].
32. Tonev, T. & M.
Gospodinov. 1995. Influence of nitrogen fertilization on productivity of
rotation link “cereal predecessor - winter wheat”; I. Effect on yield of
predecessors, In: Breeding and cultivation of wheat, sunflower and legume crops
(1st Balkan Symposium), June, 26-29, 1995, Albena-I.W.S., Bulgaria,
494-497. [In Engl. // 3 tabl., 1 fig., 3 ref.].
31. Nankova, M. & T.
Tonev. 1995. Environmental and agrotechnical effects of nutrients content and
protein yield in triticale in Dobroudja region, In: Breeding and cultivation of
wheat, sunflower and legume crops (1st Balkan Symposium), June,
26-29, 1995, Albena-I.W.S., Bulgaria, 483-488. [In Engl. // 4 tabl., 2
fig., 4 ref.].
30. Tonev, T. 1995. Stability
of faba bean (Vicia faba L.) productivity in Northeastern Bulgaria under the
influence of plant arrangements, Proc. Of 2nd European Conf. On
Grain Legumes, July, 9-13, 1995, Copenhagen, Denmark, p. 173. [In Engl.
// 1 tabl., 4 ref.].
29. Tonev, T. 1995. Change
in the components of triticale green mass as affected by the mineral
fertilization, Rasteniev’dni nauki (Plant
Sciences), 32 (5): 118-121. [In Bulg., abs. in Russ., Engl. // 2 tabl., 1 fig., 9 ref. //
Original title: Izmenenie na komponentite na zelenata masa ot tritikale pod
vliyanie na mineralnoto torene].
28. Stamboliev, M., D.
Georgiev, K. Tsvetanova & T. Tonev. 1995. Effect of some agrotechnical and
agroclimatic factors on the characteristics of beans cultivated on carbonate
chernozem, Rasteniev’dni nauki (Plant
Sviences), 32 (5): 65-67. [In
Bulg., abs. in Russ., Engl. // 1 tabl., 15 ref. // Original title: Vliyanie
na nyakoi agroklimatichni i agritechnicheski faktori v’rhu technologichnite
kachestva na fasula, otglejdan na karbonaten chernozem].
27. Stamboliev, M., D.
Georgiev, K. Tsvetanova & T. Tonev. 1995. Effect of the water reserve on
the development and the yield of beans cultivated on carbonate chernozem, Rasteniev’dni nauki (Plant Sciences), 32 (5): 62-64. [In Bulg., abs. in
Russ., Engl. // 2 tabl., 12 ref. // Original title: Vliyanie na pochvenite
zapasi ot vlaga v’rhu razvitieto i dobiva ot fasul, otglejdan na karbonaten
chernozem].
26. Tonev, T., M. Nankova & M. Stoyanova. 1995. Effect of the forest
shelter belts in Dobroudja region on the yield and quality of common bean, Rasteniev’dni nauki (Plant Sciences), 32 (5): 22-26. [In Bulg., abs. in
Russ., Engl. // 4 tabl., 18 ref. // Original title: Vliyanie na
polezashtitnite poyasi v Dobrudja v’rhu dobiva i kachestvoto na polskiya
fasul].
25. Tonev, T. 1995.
Influence of previous and direct nitrogen fertilization on the grain yield of
wheat grown after sugar beet, Nauchni
trudove na Selskostopanska akademia (Sci. Works of Agricultural academy), 2 (1): 3-5. [In Bulg., abs. in Engl.
// 4 tabl., 9 ref. // Original title: Vliyanie na predshestvashtoto i pryakoto
azotno torene v’rhu dobiva na z’rno ot pshenitsa, otglejdana sled tsarevitsa].
24. [App.] Tonev, T. 1994.
Winter wheat and other crops in the rotation, Zemedelie (Agriculture), 102
(8): 7-8. [In Bulg. // 1 tabl. // Original title: Pshenitsata i drugite
kulturi v seitboobrashtenieto].
23. Tonev, T. 1994.
Productive possibilities of triticale in Dobroudja according to the
fertilization and sowing norm, Nauchni
trudove na Treta natsionalna mladezka konferentsiya po zyrnoto (Sci. Works of 3rd
National Youth Conf. Of Grain), Oct., 7-8, 1994, Kostinbrod, 1: 125-130. [In
Bulg., abs. in Engl. // 3 tabl., 11 ref. // Original title: Produktivni
v’zmojnosti na tritikale za z’rno v Dobrudja v zavisimost ot toreneto i
posevnata norma].
22. Tonev, T. & M.
Nankova. 1994. Influence of agroecological and agrometeorological conditions on
N, P2O5 and K2O content in defatted sunflower
kernels, Proc. Of The XXIV ESNA/IUR Ann. Meeting, Sept., 12-16, 1994, Varna,
Bulgaria, 89-95. [In Engl. // 2 tabl., 2 fig., 14 ref.].
21. Nankova, M., T. Tonev & L. Shtereva. 1994. Changes in nutritive
regime of slightly leached chernozem depending on long-term fertilization and rotation
type, Anniversary Int. Conf. “50 Years MRI”, June 14-16, 1994., Bylts, Moldova
- unpublished. [In Russ. // 3 tabl.., 19 ref. // Original title:
Izmeneniya pitatelnogo rejima slabo wyshchelochennogo chernozema v zavisimosti
ot dlitelnogo udobreniya i cheredovaniya kultur].
20. Tonev, T. 1994.
Investigation of the initiation of sunflower principal phenological phases
depending on the agroclimatic conditions, Rasteniev’dni
nauki (Plant Sciences), 31 (1-2): 35-38. [In Bulg., abs. in
Russ., Engl. // 3 tabl., 2 fig., 15 ref. // Original title: Prouchvane
v’rhu nast’pvaneto na osnovnite fenologichni fazi pri sl’nchogleda v zavisimost
ot agroklimatichnite usloviya].
19. Nankov, N. & T.
Tonev. 1994. Economy efficiency of higholeic sunflower production (Viola variety)
depending on some agronomy factors, Nauchni
trudove na NIMESS - Sofia (Sci. Works of RIMEA - Sofia), 5 (1): 29-32. [In Bulg. // 2
tabl. // Original title: Ikonomicheska efektivnost na proizvodstvoto na
visokooleinov sl’nchogled sort Viola v zavisimost ot nyakoi agrotechnicheski
faktori].
18. [App.] Genchev, D., I.
Kiryakov, M. Stoyanova, L. Shtereva, T. Tonev, G. Milev, V. Vasilev, M.
Ivanovsky, G. Sabev, I. Dimitrov, D. Georgiev. 1993. Dry bean - varieties and
technology for cultivation, Sofia. [In Bulg. // 31 pp., 3 tabl., 9 fig.,
38 pictures and schemes // Original title: Polski fasul - sortove i
technologiya na otglejdane].
17. [App.] Shtereva, L.
& T. Tonev. 1993. The crop rotation as a law of agriculture, Zemedelie (Agriculture), 91 (6): 3-4. [In Bulg. //
Original title: Seitbooborot’t - zakon na zemedelieto].
16. Tonev, T. 1993. Study
on development and productivity in sunflower in different agroecological
regions and under the influence of some agronomy factors, PhD Thesis, Dobrich.
[In Bulg. // 130 pp., 44 tabl., 9 fig., 162 ref. // Original title:
Prouchvane v’rhu razvitieto i produktivnostta na sl’nchogleda v razlichni
agroekologichni rayoni pod vliyanie na nyakoi agrotechnicheski faktori].
15. Tonev, T., P. Penchev
& D. Georgiev. 1993. Effect of the agroecological conditions on the
initiation of the phenological phases and yield formation of the field bean
variety Prelom, Rasteniev’dni nauki
(Plant Sciences), 30 (7-8):
17-21. [In Bulg., abs. in Russ., Engl. // 4 tabl., 1 fig., 10 ref. // Original
title: Vliyanie na agroekologichnite usloviya v’rhu nast’pvaneto na
fenologichnite fazi i formiraneto na dobiva ot polski fasul, sort Prelom].
14. Tonev, T. 1993. Effect
of some agroecological factors on the yield components in sunflower, Nauchni trudove na V.S.I. Plovdiv
(Scientific Works of The H.A.I. in Plovdiv), 38 (1): 153-156. [In Engl. // 2 tabl., 12 ref.].
13. Tonev, T., P. Penchev,
K. Tsvetanova & M. Angelova. 1993. On nitrogen fertilization of sunflower
in some soil-and-climate regions of the country, Agrochimia i torene (Agrochemistry and Fertilization), 28 (6): 8-12. [In Bulg., abs. in
Russ., Engl. // 4 tabl., 1 fig, 14 ref. // Original title: Otnosno azotnoto
torene na sl’nchogleda v nyakoi pochveno-klimatichni rayoni na stranata].
12. Shterev, P. & T.
Tonev. 1993. Changes in economy efficiency and in energy balance in winter
barley under the influence of some main agronomy factors, National Conf.
“Problems of grain and fibre crops”, June, 1-2, 1993, Stara Zagora, Deposit in
The Cental technological Library, No. ND-672/93. [In Bulg. // 4 tabl., 1
fig. // Original title: Izmenenie na ikonomicheskata efektivnost i na
energijniya balans pri echemika pod vliyanie na nyakoi osnovni agrotechnicheski
faktori].
11. [App.] Shtereva, L.
& T. Tonev. 1992. Which predecessor is the most suitable for winter wheat, Zemedelie (Agriculture), 90 (1-10), p. 7. [In Bulg. // 1
tabl. // Original title: Koy predshestvenik e nay-podhodyasht za pshenitsata].
10. Shtereva, L. & T. Tonev. 1992. Suitability of the main predecessors
for cultivation of some winter wheat varieties in Dobroudja region, Sbornik nauchn’h trudov (Collection of
Scientific Works), Mironovka, Ukraine, 2: 131-137. [In Russ. // 2
tabl., 7 ref. // Original title: Prigodnost osnownych predshestvennikov dlya
vyrashchivanie nekotorych sortov pshenitsy v Dobrudja].
9. Ivanovsky, M. & T.
Tonev. 1992. Investigation of some agrotechnical methods of field beans
(cultivar Prelom) cultivation under the conditions of Dobroudja, Rasteniev’dni nauki (Plant Sciences), 29 (7-8): 94-101. [In Bulg., abs. in
Russ., Engl. // 5 tabl., 1 fig., 18 ref. // Original title: Prouchvane
v’rhu nyakoi elementi ot agrotechnikata na polski fasul sort Prelom w
usloviyata na Dobrudja].
8. Tonev, T. & P. Penchev.
1992. Effect of some agrotechnical factors on the yield and quality of winter
barley cultivar Hemus, Rasteniev’dni
nauki (Plant Sciences), 29
(7-8): 54-60. [In Bulg., abs. in Russ., Engl. // 5 tabl., 1 fig., 6 ref.
// Original title: Vliyanie na nyakoi agrotechnicheski faktori v’rhu dobiva i
kachestvoto na zimniya echemik sort Hemus].
7.
Tonev, T., K. Tsvetanova & M. Angelova. 1992. Effect of
nitrogen rate and stand density on some indices of the photosynthesis in
sunflower, Rasteniev’dni nauki (Plant
Sciences), 29 (5-6): 35-42. [In
Bulg., abs. in Russ., Engl. // 6 tabl., 2 fig., 13 ref. // Original title:
Vliyanie na azotnata norma i g’stotata na poseva v’rhu nyakoi pokazateli na
fotosintezata pri sl’nchogled].
6. Tsvetanova, K., M. Angelova
& T. Tonev. 1992. Effect of stand density and nitrogen fertilization on the
yield of sunflower, Rasteniev’dni nauki
(Plant Sciences), 29 (3-4):
43-47. [In Bulg., abs. in Russ, Engl. // 5 tabl., 15 ref. // Original title:
Vliyanie na g’stotata na poseva i toreneto s azot v’rhu dobiva ot sl’nchogled].
5. Stoyanova, M., T. Tonev
& M. Nankova. 1992. Effect of agroecological conditions and nitrogen
fertilization on the chemical composition and technological properties of field
bean seeds, Agrochimia i torene
(Agrochemistry and fertilization), 27
(2): 31-34. [In Bulg., abs. in Russ., Engl. // 3 tabl., 13 ref. //
Original title: Vliyanie na agroekologichnite usloviya i azotnoto torene v’rhu
chimicheskiya systav i technologichnite kachestva na semenata ot polski fasul].
4. Penchev, P., B.
Gramatikov, G. Gospodinov & T. Tonev. 1991. Influence of fertilization and
sowing rate on productivity of common bean cultivated in Southeast Bulgaria,
National Conf. “Space - Nature - People ’91”, Oct., 29-30, 1991, Yambol.
Deposit in The Cenral Technological Library - Sofia, No. ND-494/92. [In Bulg.
// 3 tabl., 1 fig., 8 ref. // Original title: Vliyanie na toreneto i posevnata
norma v’rhu produktivnostta na polskiya fasul v Yugoiztochna B’lgaria].
3. Petkov, P., T. Tonev
& L. Shtereva. 1991. Influence of crop rotation, fertilization and variety
differences in winter wheat on infection of root and stem rots, National Conf.
“Space - Nature - People ’91”, Oct., 29-30, 1991, Yambol. Deposit in The Cenral
Technological Library - Sofia, No. ND-511/92. [In Bulg. // 3 tabl., 6
ref. // Original title: Vliyanie na seitbooborota, toreneto i sortovite
osobenosti na pshenitsata v’rhu napadenieto ot korenovi i bazichni gnieneta].
2. Tonev, T. & L. Shtereva.
1990. Study on influence of predecessors maize for grain and silage on
productivity of the main winter wheat varieties, First National Conf. Of Young
Researchers on Forage Production, June, 26-29, 1990, Pleven - unpublished. [In
Bulg. // 2 tabl., 2 fig., 8 ref. // Original title: Prouchvane vliyanieto
na predshestvenika tsarevitsa za z’rno i silaj v’rhu produktivnostta na
osnovnite sortove pshenitsa].
1. Tonev, T., P. Penchev
& D. Georgiev. 1990. Influence of sowing rate and agroecological conditions
on some chemical and technological seed qualities of common bean, Proc. Of Int.
Conf. “Problems of technologies for cultivation of winter wheat, sunflower and
common bean”, June, 20-22, 1990, I.W.S. near Gen. Toshevo, Bulgaria, pp
367-374. [In Bulg., abs. in Russ. // 3 tabl., 2 fig., 13 ref. //
Original title: Vliyanie na posevnata norma i agroekologichnite usloviya w’rhu
nyakoi chimiko-technologichni kachestva na semenata ot fasul].