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梨树,形成花芽能力较强.大年时又必须进行疏花疏果,而用人工摘除效率太低.近年来用西维因药剂疏除,效果良好,比人工操作提
Pear tree, the formation of flower buds stronger .In the New Year and must be thinning thinning, but with artificial removal efficiency is too low .In recent years, with the use of Xiwein drug sparse, the effect is better than the manual operation to mention