科尔沁沙地敖汉苜蓿地上生物量及营养物质累积
孙启忠, 韩建国, 桂荣, 刘国荣
Accumulation of Biomass and Nutrient Material of Aohan Alfalfa in Kerqin Sand
SUN Qi-zhong, HAN Jiang-guo, GUI Rong, LIU Guo-rong
. 2001, (3): 165 -170 .  DOI: 10.11733/j.issn.1007-0435.2001.03.002