黑龙江省杜尔伯特蒙古族自治县南部主要草原植物群落营养状况和绵羊合理放牧密度的研究
王昱生, 孙爱芝
NUTRIENT STATUS OF MAIN GRASSLAND COMMUNITIES IN SOUTHERN DUERBAITE MONGOLIAN AUTONOMOUS COUNTY OF HEILONJIANG PROVINCE AND RATIONAL SHEEP STOCKING DENSITY
Wang Yusheng, Sun Aizhi
生态学杂志
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1984, (3): 17
-21
.