Acta Agrestia Sinica
The Distribution and Growing Seasonal Dynamics of Soil Nitrogen Fractions on Russian Wildrye Grass Pasture Under Different Grazing Intensities
Bai Keyu, Han Jianguo, Wang Pei, Song Jinfeng, Wang Xianguo
. 1999, (4): 308 -318 .  DOI: 10.11733/j.issn.1007-0435.1999.04.008