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农作物在种植过程中,主要受农业气象灾害的影响,而农业气象灾害在我国的发生一般有以下规律性: 1.就全国而言,从时间上看,每年都有一些地区的作物遭到这样或那样的灾害。据统计,全国农作物平均每年受灾6.4亿亩,成灾面积2.6亿亩,分别占播种面积的29.5％和12.1％。所以农业气象灾害具有普遍性。 2.从总趋势看,北方农作物遭受旱灾机率较高,南方农作物遭受雨涝灾害机率较多。另外同一灾害
Crops are mainly affected by agricultural meteorological disasters during the planting process. However, the occurrence of agricultural meteorological disasters in our country generally has the following regularities: 1. For the whole country, in a time-based manner, crops are harvested in some areas every year Or that kind of disaster. According to statistics, the average annual crops in the country are affected 640 million mu and the affected area is 260 million mu, accounting for 29.5% and 12.1% of the sown area respectively. Therefore, agricultural meteorological disasters are universal. 2. From the overall trend, the crops in northern China are more likely to suffer from drought and the crops in southern China are more likely to suffer from floods and floods. In addition the same disaster