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一、全面清除杂草分别在播种前和播种后进行2次杂草清除。播种前7~8天,用“草甘膦”或“百草枯”除草1次;播种后1~2天,用乙草胺、丁草胺或异恶草松等除草剂,对土壤表面进行1次封闭除草。二、选种和播种1.选用抗旱品种。选择具有较强的抗(耐)早性、抗逆性和较好的丰产、稳产性,且苗期生长快、封行早的品种。可选用云花油早熟1号、云花油9号、花油8号、云油双2号、云油杂10号等品种。
First, a comprehensive removal of weeds were sowing two times before and after weeding sowing. 7 to 8 days before sowing, weeding 1 time with “glyphosate ” or “paraquat ”; 1 to 2 days after sowing with herbicides such as acetochlor, butachlor or clobazone, The soil surface is closed once for weeding. Second, the selection and planting 1. Selection of drought-resistant varieties. Choose to have a strong anti-(early) resistance, resistance and good high yield, stable yield, and seedling growth fast, early closure of the breed. Optional cloud flower oil precocious 1, Yunhua oil 9, flower oil on the 8th, cloud oil on the 2nd, cloud oil on the 10th and other varieties.