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叶面肥喷施法,是把肥料配成一定浓度的稀薄溶液,喷洒于作物叶片上的施肥方法。叶面肥施用量少、见效快、肥料利用率高,特别适合于微量元素肥料作追肥时使用。 一、要看苗喷施 1、叶面喷施肥的主要对象应是生长不良的二、三类苗。生长旺盛的作物,一般不宜喷施肥料,尤其不宜喷施氮肥。否则会导致作物贪青晚熟,降低产量。
Foliar spraying method, the fertilizer is dubbed a certain concentration of thin solution, sprayed on the crop leaves on the fertilization method. Foliar application less, quick, high fertilizer utilization, especially suitable for trace fertilizer when used for top dressing. First, it depends on the seedling spraying 1, the main target foliar fertilizer should be poor growth of the second and third class seedlings. Growing crops, generally should not spray fertilizers, in particular, should not spray nitrogen fertilizer. Otherwise it will lead to late blooming crops, reduce production.