AFTEREFFECT OF DIATOMITE AND ITS COMBINATIONS WITH MANURE ON THE FERTILITY OF LEACHED BLACK CHEROZEM AND CARROT YIELD
2019
E.E. Kuzina | A.N. Arefiev | E.N. Kuzin
The unilateral aftereffect of diatomite and its combinations with manure on the fertility elements of leached chernozem and carrot yield is shown. The most significant effect on the content of humus, nutrients, water-stable aggregates and density was exerted by the integrated use of diatomite and manure. Over three years of research, an increase in the humus content in the plough-layer of leached chernozem was 0.19-0.24% on average, in the content of alkaline-hydrolyzable nitrogen 36.2-38.0 mg/kg of soil, in mobile phosphorus content 23.2-28.5 mg/kg of soil, in mobile potassium content 45.6-49.9 mg/kg of soil, water-stable aggregates 15.3-18.3%. The equilibrium density decreased by 0.11-0.14 g/cm3. The complex aftereffect of diatomite and manure had the most significant effect on carrot yield. Its productivity against the background of their aftereffect increased by 39.4-45.1%.
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