Acta Agrestia Sinica
Characteristics of Soil Enzymatic Activity and Nutrient of Pasture from Abandoned Field in Different Years on the Loess Hilly Areas
Zhang Cheng-e, Chen Xiaoli
. 1997, (3): 195 -200 .  DOI: 10.11733/j.issn.1007-0435.1997.03.009