一 玉米的需水量 玉米植株较高,叶片肥大,特别是白马牙和金皇后等较晚熟品种,植株高达八、九尺,叶片达二十个以上,叶片面积大,蒸发量大,根据河南省新乡专区广利灌溉 The water requirement of a corn is higher in maize plants and leaf hypertrophy, especially in late-maturing varieties such as white horse teeth and golden queens. The plants are up to eight or nine feet in height and have more than twenty leaves with large leaf area and large evaporation. According to Henan Province Xinxiang area Kwong Lee irrigation