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Bibliography by research interests:

* Crop rotation research

* System of mineral fertilization in crop rotation

* Agronomy and biological research in main and alternative for Dobroudja crops

* Agroecological factors

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List of research and applied [App.] publications on effect of protective forest belts

(Last update: June 2007)

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].

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].

90. Tonev, T. 2002. The protective forest belts in Dobroudja region and their influence for the agrarian production, In: Science, Environment and Sustainable Development (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].

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 1^st 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.].

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].

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].