INFLUENCE OF JOINT APPLICATION OF STRAW, SIDERATES AND ORGANIC FERTILIZERS ON PHOTOSYNTHETIC ACTIVITY OF SOYBEAN CROPS
Journal Title: Наукові доповіді НУБіП України - Year 2018, Vol 3, Issue 3
Abstract
The results of researches carried out during 2014-2016 on the study of the influence of straw, organic fertilizers produced in accordance with the latest technologies in combination with siderates on the photosynthetic performance of soybean plants of Bogemians type in adaptive technology for its cultivation are highlighted. It was established that in the version where straw destruction was carried out with the drug "Vermistym-D" in a dose of 7 l / ha, they introduced 4 t / ha of organic fertilizer "Bioproferm" made by biological fermentation in combination with sowing on the mustard white siderate, the area of the leaf surface of plants of the variety Bohemians in the phase of "flowering beginning" amounted to 32.4 thousand m2 / ha, which is 7.6 thousand m2 / ha more control, it was 42.3 thousand m2 / ha at the end of flowering, which is 8 , 6 thousand m2 / ha more in comparison with the control. It was established that in all variants of straw application, in combination with organic fertilizers Biohumus, Bioproperms, and pork in combination with the sowing of mustard white to siderate, the photosynthetic potential of soybean crops compared to control was 0.255-0.472 million m2 / ha more days, The net productivity of photosynthesis of plants in the flowering phase was greater by 0.94-1.81 g / m2 per day. The best of these indicators were the following: "Vermistym-D", 7 l / ha + "Bioproperments", 4 tons / ha + white mustard - 2,520 million m2 days / ha, which is, as compared with control, more than 0.472 million m2 days /Ha. It was established that the use of straw in combination with organic fertilizers and siderate contributed to the accumulation of dry matter of soybean plants of Bohemians variety in all phases of plant growth and development. The largest accumulation of dry matter in the ripening phase was 5.74 t / ha or 1.98 t / ha more compared to the control in the version where the strain was destroyed by the "Vermistym-D" (7 l / ha), introduced organic fertilizer " Bioproperty "(4 t / ha) and carried a white mustard seedlings. On the basis of the conducted researches it was established that the use of straw in combination with organic fertilizers Biohumus, Bioproferm, Wort in combination with sowing on mustard white siderate positively contributed to the increase of photosynthetic activity of soybean agrocoenosis of Bogemian variety.
Authors and Affiliations
V. Sendetsky
Keywords
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