花生属豆科作物,具有地上开花,地下结果的特性。其正常生长发育不但要求有一个良好的土壤环境,而且对肥料的需要量也较大,在各生长发育阶段需肥量也不尽一样。如何根据花生的需肥规律和需肥数量,做到科学施肥,是增加花生产量,提高施肥效益的有效措施。根据赣榆县近年来花生施肥水平分析,一般每生产100斤花生果约需纯氮5—6斤,五氧化二磷1—2斤,氧化钾3—4斤。在施肥 Peanut is a leguminous plant that has the characteristics of flowering on the ground and underground results. The normal growth and development not only require a good soil environment, but also the need for fertilizer is also large, in the growth and development stages of the required amount of fertilizer is not the same. According to the rule of peanut’s need of fertilizer and the quantity of manure required, it is an effective measure to increase the yield of peanut and increase the efficiency of fertilization by scientific fertilization. According to Ganyu County in recent years, peanut fertilizer level analysis, the general production of about 100 kg of peanut fruit requires about 5-6 pounds of pure nitrogen, phosphorus pentoxide 1-2 kg, 3-4 kg of potassium oxide. Fertilization