DYNAMICS OF FERTILITY OF BLACK EARTH TYPICAL LITTLEHUMUS IN DEPENDENCE ON SYSTEM FERTILIZER OF CUCUMBER SOWING
Journal Title: Наукові доповіді НУБіП України - Year 2017, Vol 4, Issue 4
Abstract
In the article, the results of the study of the dynamics of the nutrient regime of the black soil of the humus typical species have been present, depending on the system of fertilization of cucumber seeding. It has already been establish that the use of organic, mineral fertilizers and their joint application substantially increased the content of ammonium nitrate and nitrate nitrogen, mobile phosphorus and exchangeable potassium in soil. The most pronounced was the dynamics of ammonium and nitrate forms of nitrogen in an arable layer of soil. According to the results of the correlation analysis, direct close relationships between the content of available forms of nutrients in the arable soil layer and the fruiting start and fruit yield of the bee pollen hybrids Yanos F1 were found at r = 0.73-0.77 depending on the nutrition element. The most effective combination was the use of organic and mineral fertilizers (organo-mineral fertilizer system) in a dose of Agrovit-Kor 1.5 t / ha + N30P24K24 for the local method of administration. With the use of organo-mineral fertilizer system, the yield of cucumber fruit has increased significantly with respect to control (without finishing) and with respect to the standard N30P60K45 (locally) to 35,9 t/hа.
Authors and Affiliations
O. N. Kovalenko
Keywords
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