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采用正交设计法，就尿素、过磷酸钙、青霉素3个因子对板栗的雄花数、雌花数、新梢长与粗．、结蓬数5个指标作用效应进行了试验，结果表明，过磷酸钙、青霉素为影响板栗雌花数、结蓬数及新梢增粗生长的主要作用因子，而尿素作用则不显著，其相应的最佳组合为“1．0kg过磷酸钙，100×10-6的青霉素’，此组合不但显著地增加了板栗的雌花数、新梢粗度及结蓬数，且对板栗的雄花数量和枝延长生长有一定的抑制作用。
Orthogonal design method, urea, superphosphate, penicillin three factors on chestnut male flowers, female flowers, shoots long and thick. , Knot count of 5 indicators of the effect of the experiment conducted, the results showed that superphosphate, penicillin chestnut female flowers are affected, the number of knot and bolting growth of the main role of factors, while the role of urea is not significant, and its corresponding The optimum combination of "1.0kg superphosphate, 100 × 10-6 penicillin ’, this combination not only significantly increased the chestnut female flowers, the number of new shoots and knotty number, and the chestnut male flowers and branches Prolonged growth has a certain inhibitory effect.