晋东南地区旱地麦田水分盈亏分析

An Analysis of Surplus and Deficiency of Water to Nonirrigataed Wheat Farmland in Southeast of Shan Xi

该文研究结果表明:晋东南地区水分供需很不协调,季节性干旱明显,4～5月是小麦需水关键期,水分亏缺严重,土壤储水对缓解麦田水分供需矛盾意义重大,应认真做好灌溉和土壤的蓄水保墒工作.

The results show that this area is seriously suffered from water shortage, from April to May is the critical period of precipitation is the lowest.So the soil water content is important to relax the tension between supply and demand of water.Therefore, a complementary amount of water in irrigation and preservation of soil water are required.