It was also confirmed that the corn yield in aeolian sandy soil was a little lower than that in irrigated desert soil even though the N application rate was raised by 127.5 kg/hm~2.

• 灌漠土与风沙土两个试验点比较；风沙土试验点不但施氮量比灌漠土高出127.；5 kg/hm2；而且其产量还略低于灌漠土试验点。