核桃疏除雄花芽是一项逆向灌水和施肥的措施。试验以香玲、清香、强特勒为材料,研究不同品种疏雄量在50%、70%、90%及不疏雄的情况下对产量的影响。结果表明:不同疏雄处理对核桃产量构成的各因素均有一定程度的影响,但不同品种间疏雄效果无显著差异,同一品种疏雄处理的效果也不显著,说明疏雄对产量的影响不大。 Walnut sparse male flower bud is a reverse irrigation and fertilization measures. The experiments were conducted on the basis of Hongling, Qingxiang and Strongley, and the effects of sparseness of different varieties on the yield were studied under the condition of 50%, 70%, 90% and no dredging. The results showed that the effects of different males treatments on the yield of walnut were affected to some extent. However, there was no significant difference between the maize varieties and the males in the same variety. The effect of males on the yield Not big.