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一、明确施肥目的:施肥目的不同造成施肥的种类、数量、方法,时间都不相同,所以施肥前必须明确干什么用。 二、明确施肥方法:果树施肥分为基肥、追肥和根外追肥三种方法。基肥是较长时期供给果树多种养分的基础肥料。基肥以机肥料为主,一般包括腐植酸类肥料、堆肥、厩肥、圈肥、秸秆肥和饼肥等有机肥料。追肥是在基肥的基础上根据果树需肥急迫时期进行的肥料补充。以速效肥料为主。根外追肥是将一定量的肥料溶解于水中,直接喷布于叶面或枝干表皮上,由气孔和角质层吸收进入树体;是辅助性施肥方法。特别是补充微量元素,施用生长调节剂类应用较多。
First, a clear purpose of fertilization: the purpose of fertilization caused by different types of fertilization, quantity, methods, time are not the same, so fertilizer must be clear before doing what. Second, a clear method of fertilization: Fruit tree fertilization is divided into basal fertilizer, top dressing and top dressing three ways. Basal fertilizer is a long time to provide a variety of nutrients in fruit trees based fertilizer. Basal fertilizer to machine-based, generally including humic acid fertilizers, compost, manure, circle fertilizer, straw and cake fertilizer and other organic fertilizer. Top-dressing is based on the basic fertilizer based on the needs of the tree when the urgency of fertilizer replenishment. Quick-acting fertilizer-based. Root top dressing is a certain amount of fertilizer dissolved in water, directly sprayed on the surface of the foliage or branches of the epidermis, absorbed by the stoma and stratum corneum into the tree; is an auxiliary fertilization method. In particular, trace elements, the application of growth regulators more applications.