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随着农业产业结构的调整,设施蔬菜、果树等经济作物发展迅速,并获得了良好的经济效益和社会效益。但是,由于去冬今春天气异常,设施栽培造成较大幅度减产。为此,对去冬今春就温度、降水及光照诸因素的影响做如下分析: 一、去冬今春的气候特点 (一)自2000年10月至2001年2月气温较常年偏高,隆冬气温波动大根据济南市气象资料分析,2000年10月平均气温为14.2℃、11月为5.8℃、12月为2.7℃,较常年分别降低1.4℃、3.4℃和增高2.8℃,2001年1月、2月平均温度为2.2℃、1.0℃,分别较常年增高0.2℃和1.0℃,整个冬季较常年气温高
With the adjustment of agricultural industrial structure, the economic crops such as vegetables and fruit trees in facilities have been developing rapidly, and have obtained good economic and social benefits. However, due to the abnormal weather in the winter and spring, the cultivation of facilities has resulted in a significant reduction in production. To this end, on the winter and spring this year on the temperature, precipitation and light effects of the following analysis: First, the climate characteristics of winter and spring (a) from October 2000 to February 2001 temperatures are higher than normal, winter temperature According to the analysis of meteorological data in Jinan City, the average temperature was 10.2 ℃ in October 2000, 5.8 ℃ in November and 2.7 ℃ in December, which was 1.4 ℃ lower than that of the normal year, 3.4 ℃ higher and 2.8 ℃ higher. In January 2001, The average temperature in February was 2.2 ℃ and 1.0 ℃ respectively, which were respectively 0.2 ℃ and 1.0 ℃ higher than that of the normal year. The average winter temperature was higher than normal