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目前,在农业生产上进行农作物叶面追肥非常普遍,特别是自然灾害及病虫为害后和作物生长的中后期进行叶面追肥,具有成本低、见效快等特点。根据多年生产总结,为提高叶面追肥的效果,需把握以下几点。1选择适宜叶面肥叶面追肥应根据作物的需求来确定肥料种类,对症施肥,速效速补。一般以易溶于水的化学肥料(氮、磷、钾、微肥)、生物菌肥等为主,随配随用。肥料可单施或几种混施,为了省工省时,某些叶面肥可和农药
At present, it is very common to carry out crop foliar topdressing in agricultural production, especially for the foliar top dressing after natural disasters and pests and diseases and crop growth in the late period, which has the characteristics of low cost and quick response. According to many years of production summary, in order to improve the effect of foliar fertilizer, need to grasp the following points. 1 Select the appropriate foliar fertilizer foliar fertilizer should be based on the needs of crops to determine the type of fertilizer, symptomatic fertilization, quick-tonic. Generally soluble in water-soluble chemical fertilizers (nitrogen, phosphorus, potassium, fertilizer), bio-fertilizer and other main, with the use. Fertilizer can be applied alone or several mixed facilities, in order to save time and labor, some foliar fertilizer and pesticides