【摘要】 春小麦是扬黄新灌区主要农作物。春小麦生长期 3月中旬至 7月中旬自然降水量只有 80～ 10 0mm ,蒸发量大 ,只有通过灌溉来补充水分才能保证春小麦的正常生长。在当前水资源紧缺的条件下 ,如何灌溉才能达到节水、高产、稳产的目的 ,是扬黄新灌区亟待解决的问题。本文根据试验资料 ,分析了土壤水分对春小麦生长发育的影响 ,提出了合理的灌溉方案更多还原

【Abstract】 Spring wheat is the main crop in the areas of water diversion from Yellow River of Ningxia province. Rainfalls are only 80mm to 100mm in spring wheat growing period of the middle of March to the middle of July, it is only to irrigate with complementarily water for normal growing of spring wheat. How to reach the target of water saving, and high and steady production are the problems to be solved urgently in the districts of water diversion from Yellow River. This paper analyses affects of soil water contents to growing of spring wheat, and puts forward irrigation plans in reason in accordance with experimental data.更多还原