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一、播前准备1.土壤选择选择土壤肥力高、灌排方便的砂壤土地,前茬以小麦、棉花为好。不宜选择前茬为茄果类蔬菜或向日葵等作物的地块,为减轻土传病虫害,切忌连作,轮作倒茬应在5年以上。2.施肥整地前茬作物收获后及时深翻整地,整地达“齐、平、松、碎、净”标准。在靠近畦的一侧挖沟,宽和深各0.4厘米,667米2施充分腐熟有机肥4~5吨、三元复合肥
A preparation before sowing 1. Selection of soil Choose sandy soil with high soil fertility and convenient irrigation and drainage. The former crop is better with wheat and cotton. Should not choose the former crop of vegetables such as eggplant or sunflower land plots, in order to reduce soil-borne diseases and pests, avoid continuous crop rotation cropping should be more than 5 years. 2. fertilization before cropping crop timely and deep after the harvesting, site preparation up to “Qi, Ping, pine, broken, net ” standard. Trench near the side of the ditch, width and depth of 0.4 cm, 667 m 2 facilities fully decomposed organic fertilizer 4 to 5 tons, ternary compound fertilizer