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茶树是叶用作物,叶面追肥有其独特作用:①具有吸收快、投资少、效果显著的优点;②在茶树芽叶生长旺盛的时候,当茶树地上部与地下部之间正常的物质代谢失去平衡,根部吸肥能力衰退,这时,只有采用叶面喷肥的办法,才能使新生芽叶迅速、及时地得到营养补充;③当气候干旱,肥料在土中不能很好地分解,或当雨季,土壤中养分流失过多以及遇到虫害,树势衰弱而急需恢复时,叶面追肥能起到根部施
Tea tree is the leaves of crops, foliar fertilizer has its unique role: ① has the advantages of fast absorption, less investment, significant effect; ② tea tree buds grow vigorously when the tea plantation between the upper and the lower part of the normal material metabolism Lost balance, the root absorption capacity decline, this time, only the use of foliar spray approach, in order to make new shoots quickly and timely nutritional supplements; ③ When the climate is arid, the fertilizer can not be well decomposed in the soil, or When the rainy season, nutrient loss in the soil is too much and pests encountered, the tree is weak and in urgent need of recovery, the foliar fertilizer can play a root application