METHOD FOR SOIL-PROTECTING CROP ROTATION ON SLOPES Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: method involves providing rotation field on average or highly washed out soil in lower part of arable slope with pronounced tendency to flow and linear (gully) erosion; four-year growing of perennial grasses in one field and grain mixture of perennial rye, downy vetch and winter rye in other field; changing fields upon expiration of mentioned term; performing slitting and covering of slits to regulate drainage and maintain high productivity of perennial grasses and rye upon second grass mowing and in the field with rye upon harvesting to obtain grain; harvesting rye for grain, grinding straw and throwing ground straw over field the year, when perennial grasses are sown by direct method together with winter rye. EFFECT: increased productivity and improved quality of soil. 4 cl