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葡萄从开花、长蔓、结果至采收,树体消耗养分较大,树势较弱,9～10月份正值根系第二个生长高峰期,此时追施肥料利于根系吸收利用积累养分,恢复树势和提高花芽数量与质量,同时还可促进新根的发育和疏松土壤,改善土壤水、肥、气、热等条件,为树体健壮生长创造良好的环境条件,使来年多结果,结好果。根外追肥:根外追肥能快速地被叶片吸收利用,以加强光合作
Grape from flowering, long vine, the results to the harvest, the tree consumes larger nutrients, the tree is weak, 9 to October is the root of the second peak of growth, this time topdressing fertilizer is conducive to the root absorption and utilization of accumulated nutrients, Restore tree vigor and improve the quantity and quality of flower buds, and at the same time promote the development of new roots and loosen soil, improve the conditions of soil water, fertilizer, gas and heat, create good environmental conditions for the robust growth of trees, Results good results. Root top dressing: Root top dressing can quickly be absorbed by leaves to enhance cooperation in light