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目前,国际市场的肥料价格不断上涨,因此,必须最经济有效的使用肥料,而叶面施肥则是达到这一目的的途径。若与植保和诱导开花药剂结合施用,则费用能进一步减少。材料和方法 1975年分别在印度勒克脑、雷曼克赫拉中心杧果研究站(以下简称甲园)和勒克脑钦哈特一杧果园(以下简称乙园),进行了叶面喷施尿素试验,与试树为充分成长的杧果植株。甲园设六个处理,以喷水作对照,喷尿素溶液2％、4％、6％、8％和10％,每株喷8升,
At present, fertilizer prices in the international market are constantly rising. Therefore, fertilizer must be used most economically and effectively, and foliar fertilization is the way to achieve this goal. If combined with plant protection and induction of flowering agents, the cost can be further reduced. Materials and methods In 1975, respectively, in India, Luck brain, Leiman Kera Center Mangosteen Research Station (hereinafter referred to as A Park) and Leke brain Qin Hart Eryuan Orchard (hereinafter referred to as Park E) Urea test, and test tree for the full growth of mango plants. A park set six treatment, spray water control, spray urea solution 2%, 4%, 6%, 8% and 10%, spray 8 liters per plant,