Agriculture and forestry

Mazur Viktor – Candidate of Agricultural Sciences, Professor of the Department of crop production and garden, Rector of the Vinnytsia National Agrarian University, Vice-President of ESPC Ukrainian Scientific-Educational Consortium (21008, Vinnytsia, Soniachna St.3, е-mail: rector@vsau.org ).

Branitskyi Yurii Yuriyovych – Candidate of Agricultural Sciences, Director of the Uladovo-Lyulinetsky Experimental Breeding Station of the Institute of Bioenergetic Cultures and Sugar Beet NAAS (Vinnytia region, Kalynivka, district, Uladivske, Samolevska Str., 15).

Yakovets Volodymyr Ihorovych − graduate student of the department of plant and horticulture of VNAU (21008, Vinnytsia, 3 Sonyachna St.).

The article shows the results of studies of the effect of seed inoculation and fertilization on the field germination of seeds, indicators of plant preservation, leaf surface area and yield of soybean varieties. It is established that the lowest rates of seed germination, plant safety, leaf surface area and seed yields were observed on the control version of the experiment. The density of soybean plants depends on the formation of the field germination of plants and the resistance of plants to adverse abiotic and biotic conditions, which are formed during the growing season of cultivation of soybean varieties. The absolute control shows the lowest indicators of plants, which were made of Betin and embroidery varieties - 89.7 %. The maximum area of the leaf surface of plants is observed in the flowering phase (BBCH Microstadia 60-69) on all variants of the experiment. However, the lowest rates were noted on absolute control - 43.1 and 42.3 thousand m2/ha. Like the lowest yield of soybean varieties, which was 1.6 and 1.4 t/ha. The maximum indicators of saving soybean varieties-95.5 and embroidery-94.7% was noted in the Option of the Experiment, which conducted joint treatment of the wonder yelow crops at the Microstadium of VSN 14-15 and Wonder Bor on the HIPSCC Fertilizers N20P 20S9, as well as seed treatment by Maxim XL, is 5.8 and 5.0%, respectively. In this version of the experiment, the maximum area of soybean leaf surface was noted on the microstadium 60-69, in particular in Betin variety-47.2 thousand m2/ha and Vyshivanka variety-47 thousand m2/ha, which is higher compared to absolute control by 4.1 and 4.7 thousand m2/ha. Like the highest yield level, in particular Betin - 3.0 and embroidery variety - 2.6 t/ha or 1.4 and 1.2 t/ha compared to absolute control

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