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List of research and applied [App.] publications on system of mineral fertilization in crop rotation

(Last update: June 2007)

 

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.

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].

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].

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

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].

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

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

91.  Donkova, D. & T. Tonev. 2002. Influence of postharvest plant residues incorporation on the yield and the effect of nitrogen fertilization in winter wheat and corn, Proc. Of the Scientific Session of Jubilee, May 21-22, 2002, Sadovo - Plovdiv, vol. 1: 277-281 [In Bulg., abs. in Engl., // 3 tabl., 1 fig, 7 ref. // Original title: Wliqnie na inkorporiraneto na sledzh'tveni ostat'tsi v'rhu dobiva i efekta ot azotnoto torene pri pshenitsa i tsarevitsa].

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].

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].

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.].

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.].

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].

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.].

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.].

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.].

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].

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].

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.].

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].

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].