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1地块选择选择远离污染源,地下水位较低,土层深厚,PH7.8~8.3,富含有机质的沙壤土。必须有三年以上轮作,切忌和瓜类作物重茬。2施肥整地一般施充分腐熟有机肥6000kg/667m2、油渣200kg/667m2、氮磷钾复合肥60kg/667m2,然后整地浇水,开沟起
1 plots choose to stay away from sources of pollution, groundwater level is lower, deep soil, PH7.8 ~ 8.3, rich in organic matter sandy loam. There must be more than three years of rotation, and should not crop and melon crops cropping. 2 fertilization site soil general facilities fully decomposed organic fertilizer 6000kg / 667m2, oil residue 200kg / 667m2, NPK fertilizer 60kg / 667m2, and then site preparation watering, ditching