METHOD FOR CONTROL OF PERENNIAL WEEDS Russian patent published in 1995 - IPC

FIELD: agriculture. SUBSTANCE: method involves sowing a mixture of afterharvest crops, harvesting them and plowing the soil with high ridges, chiselling, crushing of roots, deep presowing loosening and sowing corn into a moist layer of soil, postponing the optimum date by 4-5 weeks at a maximum sowing rate. In the phase of 6-8 leaves the crops are watered and earthed up. EFFECT: higher efficiency. 2 cl, 1 tbl