FIELD: agriculture.
SUBSTANCE: method of improving the soil fertility is to introduce phosphogypsum therein. Zinc ore concentrate is additionally introduced into the soil. The introduction of meliorants is carried out fractionally, half the dose of phosphogypsum and zinc ore concentrate are introduced into the stubble, harrowed to the depth of 10-12 cm with subsequent mouldboard plowing to the depth of 20-25 cm. Then the second half of the meliorant dose is introduced, and the repeated harrowing to the depth of 10-12 cm is carried out. All the components are taken at a certain ratio.
EFFECT: increasing the soil fertility and the yield of agricultural crops.
4 dwg, 4 ex
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