FIELD: agriculture.
SUBSTANCE: invention relates to agriculture, particularly to methods of increasing soil fertility sodic soils by biological reclamation. Method involves adding improver with subsequent closing in soil and sowing perennial legume grasses seeds. At that, improver is scattered at stubble without ploughing with subsequent closing of it by disk harrow and addition of sowing herbal ingredient in composition of grass mixture. Meliorant is represented by sewage sludge. Norm of their application makes 50-150 t/ha depending on content of exchangeable sodium in soil.
EFFECT: method allows to increase crop capacity of green mass of perennial grasses and subsequent grain crops.
1 cl, 6 tbl
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