论文部分内容阅读
解放以来,玉林地区农业生产发展很快,1980年粮食总产为51亿斤,比1949年增长2.07倍。但是,粮食产量不够稳定,尤其近十年来,受到灾害性天气的影响,往往是大灾大减产,小灾小减产,风调雨顺增些产。玉林地区的灾害性天气较多:早春低温阴雨给早稻播种带来烂秧;5月“雨打禾花”影响授粉结实,有利于病虫害的发生;秋早使晚稻延迟抽穗,影响穗大粒多;秋末
Since the liberation, agricultural production in Yulin has developed rapidly. The total grain output in 1980 was 51 billion kilograms, an increase of 2.07 times that of 1949. However, the grain output is not stable enough. In particular, the impact of the disastrous weather in the past decade has been marked by major catastrophes, small catastrophes and moderate weather increases. In Yulin region, there were more disastrous weather: low temperature and rain in early spring brought rotten seedlings to sowing of early rice; in May, “rain and dahlia flower” affected pollination and fruiting, which was conducive to the occurrence of pests and diseases; delayed late heading led late rice to affect spikelets and large grains; Autumn end