Ecology, Environment and Conservation Paper

Vol 24, Issue 1 2018; Page No.(462-471)

AGROCHEMICAL PROPERTIES OF FUSED CHERNOZEM, DEPENDING ON THE METHODS OF BASIC PROCESSING AND THE NORMS OF FERTILIZATION

Nurbiy Iljasovich Mamsirov, Yuri Alekseevich Chumachenko and Asker Cherimovich Udzhuhu

Abstract

The paper presents the results of long-term research to establish the optimum parameters of agrochemical properties of the soil depending on various methods of its processing in agro-technologies of cultivation of row crops. The research was carried out using the following tillage systems: plowing to a depth of 25-27 cm permanently (control); chisel tillage to a depth of 38-40 cm; surface tillage to a depth of 10-12 cm permanently; combined tillage system. For fused chernozem, a combined system of basic tillage in multifield crop rotations with periodic subsoiling was developed. The results of the research have established positive effects on the nutrient regime of the soil as a result of using a combined system of basic treatment of fused chernozem. The positive effect of this system was an increase in the N-NO3-content by 1.4 times, N-NH4+by 1.5 times on average, P2O5 by 1.5 times on average in comparison with permanent surface tillage. There were no significant differences in the K2O content for different soil treatment systems. Differences in the potassium exchange content due to soil treatment were not detected.

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