Acta Agrestia Sinica
Accuracy Improvement in Yield Estimation of Large-scale Grassland by Stratified Sampling—-A Case Study of Lowland Meadow
BAO Hai-ming, YUN Xu-jiang, ZHANG De-gang, LI Xin-yi, LIU Xiao-dong
. 2010, (3): 327 -332 .  DOI: 10.11733/j.issn.1007-0435.2010.03.004