【摘要】 以衡水市为例分析了河北低平原干旱缺水区作物种植和水资源利用现状,提出了以水资源平衡利用为核心的作物种植结构调整方案。方案表明,压缩耗水多的小麦、玉米面积各20％和40.2％,稳定棉花和果菜面积,增加甘薯类旱作高效商品性作物,既可维持水资源的持续利用,种植业人均收入还可增加22.9％。更多还原

【Abstract】 The present situation of crop distribution and water resource usage were ana-lized based on the statistics of Hengshui City, and the plan of crops distribution adjustment was pointed out. The plan was to reduce planting areas of wheat and corn by 20% and 40. 2% , to keep the areas of cotton, fruits and vegetables, and to increase the area of sweet potato. The results predicted that it could not only sustain water resource usage, but also increase the former’s income by 22. 9% from crop production.更多还原