FEATURES OF USE OF STRAW AND BLUE LUPINE IN THE FIELD CROP ROTATION

Abstract

In field experiences on soddy-podzolic sandy soil of Meshchersky lowland high agroeconomic efficiency of an adaptive link of a crop rotation with blue lupine, grown up on grain, a potato and barley is established at entering under lupine winter wheat straw. Straw in a combination with symbiotic nitrogen-fixing crop ( lupine) has proved to be effective resourses regenerative the factor and a perspective reserve of reproduction of fertility of soils without participation of nitrogen of mineral fertilizers.