THE ORIENTATION OF BIOLOGICAL NITROGEN TRANSFORMATION PROCESSES IN SOIL UNDER THE ORGANIC PRODUCTION OF AGRICULTURAL PRODUCTS
Journal Title: Сільськогосподарська мікробіологія - Year 2017, Vol 25, Issue
Abstract
The paper covers the study of direct impact and after-effect of 40 t/ha of cattle manure on the orientation of nitrogen fixation and biological denitrification processes in the root zone of potatoes, spring barley, pea, and winter wheat plants in rotation in a stationary field experiments on leached black soil. Application of manure had significantly increased the nitrogen fixation activity, while promoting a high level of N2O emission. The use of microbial preparations for pre-seeding bacterization of seeds optimizes the course of biological nitrogen transformation process – through the enhancement of nitrogen fixation activity and reduction of gaseous nitrogen losses (with the exception of Biogran use on potatoes in the year of manure application). Introduction with manure of a large number of microorganisms to the soil offsets the positive effect of biopreparations use. Yield records and estimation of grain output per hectare within the crop rotation cycle indicates the practicability of combined application of manure and microbial preparations (excluding the year of direct effect of organic fertilizer) in organic agriculture.
Authors and Affiliations
V Volkohon, A Moskalenko, S Dimova, M Zhurba, K Volkohon, L Tokmakova, N Shtanko
Keywords
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