论文部分内容阅读
我省中部干旱地区生态环境复杂，春旱严重，降雨量多集中在7、8、9三个月，十年九旱的气候条件给当地的农业生产造成了极大的危害，夏粮作物的产量受自然条件的影响校大，养麦不仅是中部干旱地区抗旱防灾，以秋补夏的重要粮食作物，而且在正常年份可以提高复种指数，充分利用当
The ecological environment in the arid central part of our province is complicated and the spring drought is serious. The rainfall is mostly concentrated in the three months of July, August and September. The climatic conditions of the nine drought in the past ten years have caused great harm to the local agricultural production. The output of summer grain crops Affected by the natural conditions, large-scale cultivation of wheat is not only an important drought-stricken and disaster-resistant crop in the central arid region but also an important grain crop for autumn and summer. It can also increase the multiple cropping index in normal years and make full use of