METHOD OF FORECAST OF CONTENTS OF ACTIVE PHOSPHORUS IN TOP SOIL OF TYPICAL AND LEACHED BY SUGAR BEET CROP CHERNOSEM IN CENTRAL CHERNOSEM ZONE

摘要

FIELD: agriculture.;SUBSTANCE: invention is designed for implementation in agriculture. The method consists in determination of hydro-thermal coefficient in June and depending on applied doses of fertilisers there is performed forecast of active phosphorus contents in soil sown with sugar beet crop by mathematic dependence.;EFFECT: invention facilitates reduction of labour and expenditures, simplification of method of determination of active phosphorus contents in soil.;1 tbl