It is found that in the Hai River plain, the winter wheat (in the case of 400 Jin/Mu) and the summer corn (in the case of 500 Jin/Mu) are short of water for 290 mm and 100 mm respectively.

• 在此基础上,我们进行了农作物需水盈亏分析,并指出:在海河平原地区,冬小麦(400斤/亩)亏水290毫米左右,夏玉米(500斤/亩)亏水100毫米左右。