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一、基本概况我国梨的主产区,南有徽、苏、鄂,北有冀、鲁、辽,其中,以河北的鸭梨和皇冠梨、安徽的砀山梨为多。在山东最为著名的当属莱阳梨,颇负盛名,“烟台苹果莱阳梨”被载入特产名录,有口皆碑。二、需肥规律1.萌芽开花期:萌芽开花期,需氮、磷、钾的含量较高。2.新梢旺盛生长期:是氮、磷、钾吸收量最多的时期,其中以氮的吸收量最多,其次为钾,最少的是磷。3.花芽分化和果实迅速膨大
First, the basic profile Pear’s main producing areas in our country, the south has emblem, the Soviet Union, Hubei, north of Hebei, Shandong, Liao, among them, to Hebei pear and Crown Pear, Anhui Dasan pear more. The most famous in Shandong when Laiyang pear, quite prestigious, “Yantai Apple Laiyang pear ” is included in the list of specialty, reputation. Second, the law of fertilizer 1. Germination Flowering: bud flowering period, nitrogen, phosphorus, potassium content higher. 2. Prosperous period of vigorous growth: nitrogen, phosphorus and potassium uptake of the most period, of which nitrogen uptake, followed by potassium, and at least phosphorus. 3. Flower bud differentiation and fruit rapid expansion