the wue increased respectively by 24.1% and 95.2% in np treatment in two experiment; comparing with long term experiment, the wue in field comparison experiment increased by 46.5% to 290.0%.
两试验中氮磷配施的水分利用率分别提高了24.1%和95.2%,大田对比试验各处理的水分利用率较长期定位试验增加了46.5-290.0%。