黄土高原半湿润区苜蓿草地土壤干燥化与草粮轮作水分恢复效应
方新宇,李军,王学春,任晶晶
Soil Desiccation of Alfalfa Fields and Effects of Alfalfa-Grain Crop Rotation on Soil Water Restoration of Desiccated Alfalfa Fields in Semi-Humid Areas of the Loess Plateau
FANG Xin-yu,LI Jun,WANG Xue-chun,REN Jing-jing
中国农业科学 . 2010, (16): 3348 -3356 .  DOI: 10.3864/j.issn.0578-1752.2010.16.010