混播草地地上生物量与土壤主要养分变化的关系研究

张仁平;于磊;鲁为华;蒋慧

Study on the Relationship between Ground Biomass and Soil Nutrient in the Mixed Grassland

ZHANG Ren-ping;YU lei;LU Wei-hua;JIANG Hui

. 2009, (3): 592 -596 .