Based on crop, soil and meteorological data, the water requirements of major dry crops in northern China, including wheat, maize, millet, sweet potato and potato, were calculated, and the patterns of water requirements of these crops were revealed and dis
Based on crop, soil and meteorological data, the water requirements of major dry crops in northern China, including wheat, maize, millet, sweet potato and potato, were calculated, and the patterns of water requirements of these crops were revealed and dis
根据作物、土壤和气候资料，计算了中国北方主要旱地作物小麦、玉米、谷子、甘薯和马铃薯的作物需水量，并对这些作物的需水规律与作物生长关系进行分析。