Acta Agrestia Sinica
The Effects of Different Fertilizer Times and Nitrogen Levels on Biomass and Soil Nutrients in Alpine Meadow
KA Zhuo-cairang, DE Ke-jia, XU Cheng-ti
Acta Agrestia Sinica . 2015, (4): 726 -732 .  DOI: 10.11733/j.issn.1007-0435.2015.04.009