Acta Agrestia Sinica
Urease Activity in the Loess Hilly Grassland Soil and its Relationship to Soil Property
AN Shao-shan, HUANG Yi-mei, ZHENG Fen-li
. 2005, (3): 233 -237 .  DOI: 10.11733/j.issn.1007-0435.2005.03.013