作者单位：
USDA-ARS Jornada Experimental Range, P.O. Box 30003, MSC 3JER, Las Cruces, NM 88003, USA
[1]
USDA-ARS Fort Keogh Livestock and Range Research Laboratory, 243 Fort Keogh Rd., Miles City, MT 59301, USA
[2]
Red Canyon Ranch, The Nature Conservancy, Lander, WY 82520, USA
[3]
Department of Animal and Range Science, Box 30003, MSC 3-I, New Mexico State University, Las Cruces, NM 88003, USA
[4]
发布时间
2013-11-20
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