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【施肥方法】在灌溉施肥时,尤其要注意选择肥料、注肥设备,以及灌溉施肥系统的维护和管理。1．肥料准备在以色列,有多种施肥方法(Sneh,1995):配制肥料浓缩液:农民把固体肥料如硫酸铵、尿素、氯化钾、硝酸钾以及液态磷酸混合在一起,来精确配制肥料母液。然后把肥料溶液以2～10L/m~3的比例注入灌溉系统。配制纯粹的NK/PK/NPK肥
Fertilization method In irrigation and fertilization, with particular attention to choose fertilizer, fertilizer equipment, and irrigation and fertilizer system maintenance and management. 1. Fertilizer preparation In Israel, there are several fertilizing methods (Sneh 1995): Formulation of fertilizer concentrates: Farmers mix solid fertilizers, such as ammonium sulfate, urea, potassium chloride, potassium nitrate and liquid phosphoric acid, to precisely formulate the mother liquor. Then the fertilizer solution to 2 ~ 10L / m ~ 3 ratio into the irrigation system. Preparation of pure NK / PK / NPK fertilizer