甘肃永昌县放牧草地土壤脲酶活性与土壤肥力的关系初探
侯彦会,周学辉,焦婷,刘荣堂,李兴福
A preliminary study on the relationship between soil urease activity and soil fertility in the grazing grasslands of Yongchang county, Gansu province
HOU Yan-hui, ZHOU Xue-hui, JIAO Ting, LIU Rong-tang, LI Xing-fu
草业学报
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2009, (4): 111
-116
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