关于水稻旱种技术的研究

• 作 者: 过益先
• 机 构: 中国农科院作物所,
• 出 处: 北方水稻
• 发表日期: 1978年05期
• 关键词: 水稻旱种 兴修水利 灌溉水源 用水量 高产稳产 河湖 雨量 化学除草 水稻面积 除草效果

一、课题的提出水稻是一种高产稳产、质优、经济价值高的重要粮食作物,深受群众喜爱,积极要求扩大水稻生产。但是种植水稻用水量大,因此,主要分布在雨量丰沛的长江流域及其以南地区,黄河以北由于雨量小,灌溉水源不足,水稻生产只限于河湖周围水利方便的地区。新中国成立后,在党和政府的领导下,大力兴修水利,北方

I. PROBLEM PROPOSITION Rice is an important food crop with high and stable yield, high quality and high economic value. It is deeply loved by the masses and it is actively required to expand rice production. However, the amount of water used for planting rice is large. Therefore, it is mainly distributed in the abundant rainfall in the Yangtze River Basin and the area south of it. Due to the small amount of rainfall and inadequate irrigation water to the north of the Yellow River, rice production is limited to areas with convenient water resources around rivers and lakes. After the founding of new China, under the leadership of the party and the government, vigorously revitalize the water conservancy and the north