葡萄半环状施肥新方法葡萄施基肥一般采用在篱架架面一侧或两侧平行挖沟施肥。上洛农学院李向东认为此施肥法违背了葡萄根系分布和吸水规律，不能满足架面下根系分布集中区的要求。采用半环状施肥后，根系重量增加，须根比例增大，产量和质量提高。方法：以主干为半径挖半... Grape semi-circular fertilization of new methods Grape-based fertilizer generally used in the fence frame side or both sides of the parallel ditch fertilization. Li Xiangdong Agricultural College believes that this fertilization method violates the root distribution of the grape and the law of water absorption, can not meet the requirements of the root distribution area under the shelf area. After using semi-circular fertilization, the weight of roots increased, the proportion of fibrous roots increased, and the yield and quality improved. Method: Digging the trunk as a radius ...