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1.注意选用优质纯种 引种时一定要慎重,从信誉好的单位选购优质纯正的种子,以防假冒,否则将造成减产或绝收。特别要防止有人乘机炒种。 2.精心整地,施足基肥 为了获得高产,应选择中等以上肥力的壤土或沙壤土,前茬以豆科及中耕作物为好。酸性过强,地下水位过高,土层太瘠薄的土壤,不宜种植。翻耕前667平方米施用4000～8000千克有机肥,20千克磷酸二铵(或50千克过磷酸钙)和
1. Note that the selection of high-quality thoroughbred introduction must be careful, from a reputable unit to buy high-quality pure seeds, to prevent counterfeit, or will result in reduced production or income. In particular, to prevent some opportunistic fried. 2. Careful land preparation and application of sufficient base fertilizer In order to obtain high yield, loam or sandy loam of moderate or higher fertility should be selected. The former crop should be leguminous and middle-aged crops. Acidic, groundwater level is too high, the soil is too barren soil, unfit for planting. 667 square meters before plowing 4,000 to 8,000 kg of organic fertilizer, 20 kg of diammonium phosphate (or 50 kg of superphosphate) and