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OPTIMIZATION OF SOIL TILLAGE AND FERTILIZER SYSTEM IN THE CULTIVATION OF SPRING DURUM WHEAT

Sergey Zudilin

Abstract

This study aimed to identify a rational treatment for soil and determine the efficiency of the use of chelated liquid microfertilizers on the yield of spring hard wheat crops in chernozemic soils of the Samara Region of Russia. The study was conducted as a two-factor field experiment using a recognized variety of spring hard wheat:?Bezenchukskaya stepnaya?. The soil of the experimental field was typical medium-deep heavy loamy chernozem. Data on some agrophysical properties of the soil, weed infestation of crops, structure of crops, and spring hard wheat productivity depending on the primary soil tillage and use of chelated mineral fertilizers were obtained. Over the years of research, microfertilizers increased the grain yield of spring hard wheat on average by 14.5%?20.3% compared with that of the control. Micro fertilizers ZHUSS-2 and Stimulife proved to be more efficient for the spring hard wheat productivity increase, without significant influence depending on the primary soil tillage. We recommend the resources-conservational technologies of primary soil tillage and the spraying of crops with ZHUSS-2 and Stimulife micro fertilizers as top-dressings of spring hard wheat having been cultivated in chernozemic soils environment of the Russian Federation forest steppe area.

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DOI resolver: doi.org/10.5593/sgem2019v/6.3/s08.020

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