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冰雹是北京地区玉米生长期间常见的一种自然灾害,研究玉米不同时期、不同程度的雹灾对生产造成的损失,可以为风险互助的灾害程度认定和补偿金额的确定提供参考依据。试验结果表明,雹灾所造成的减产主要是籽粒千粒重的降低所致,其中以抽雄期-吐丝后15d遭受雹灾减产较为严重。
Hail is a common natural disaster during the growth of corn in Beijing. Studying the loss of production caused by different degrees of hail during different periods of corn can provide a reference for the determination of the degree of mutual aid and the amount of compensation. The test results show that the hail caused by the reduction is mainly due to the reduction of 1000-grain weight, of which the halos were harvested more 15 days after tasseling-silking.