FIELD: agriculture.
SUBSTANCE: invention relates to agriculture, in particular to substances for improving the condition of the soil. The ameliorant for increasing the fertility of leached chernozem contains phosphogypsum, limestone-shell rock, apatite and manganese ore concentrate in the following ratio of initial components (t/ha): limestone-shell rock 11.5-12.5, apatite 2.5-3.5, phosphogypsum 11.5-12.5, manganese ore concentrate 0.13-0.17. The ameliorant is applied fractionally, half of the dose is applied to stubble, harrowed to a depth of 10-12 cm, followed by dump plowing to a depth of 20-25 cm, then the second half of the dose is applied and repeated harrowing is carried out to a depth of 10-12 cm.
EFFECT: proposed ameliorant makes it possible to restore and increase the fertility of leached chernozem, thereby ensuring an increase in crop yields.
2 cl, 3 dwg, 4 ex
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