Field experiments were carried out on Loess Plateau to investigate the effects of cropping on the physical and chemical properties, phosphatase activity, and N2O emission of upland soils.

• 摘要通过大田试验研究了黄土地区种植作物对旱作农田土壤理化性状、磷酸酶活性以及土壤N2O排放的影响。