中国科学院机构知识库网格系统: 检索

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	Spatio-Temporal Dynamics of Feed Grain Demand of Dairy Cows in China 期刊论文 OAI收割 SUSTAINABILITY, 2020, 卷号: 12, 期号: 2, 页码: 17 作者: Dong, Chao Yang; Ma, Bei Bei; Lu, Chun Xia \| 收藏 \| 浏览/下载：17/0 \| 提交时间：2020/05/19 dairy cow feed grain (DCFG) spatio-temporal feed grain conversion ratio China
	Spatio-Temporal Dynamics of Feed Grain Demand of Dairy Cows in China 期刊论文 OAI收割 SUSTAINABILITY, 2020, 卷号: 12, 期号: 2, 页码: 17 作者: Dong, Chao Yang; Ma, Bei Bei; Lu, Chun Xia \| 收藏 \| 浏览/下载：29/0 \| 提交时间：2020/05/19 dairy cow feed grain (DCFG) spatio-temporal feed grain conversion ratio China
	Cadmium in animal production and its potential hazard on Beijing and Fuxin farmlands SCI/SSCI论文 OAI收割 2010 Li Y. X.; Xiong X.; Lin C. Y.; Zhang F. S.; Li W.; Han W. 收藏 \| 浏览/下载：33/0 \| 提交时间：2012/06/08 Animal manure Animal feed Cadmium Soil pollution China city heavy-metals agricultural soils livestock feeds dairy farms manure zinc elements england poultry copper
	Rapid assessment of feed and manure nutrient management on confinement dairy farms SCI/SSCI论文 OAI收割 2008 Powell J. M.; Li Y. X.; Wu Z. H.; Broderick G. A.; Holmes B. J. 收藏 \| 浏览/下载：26/0 \| 提交时间：2012/06/08 On-farm surveys Dairy Feed Manure Nutrient use efficiencies Nutrient cycling milk urea nitrogen utilization efficiency phosphorus excretion cattle cows performance prediction protein
	A survey of selected heavy metal concentrations in Wisconsin dairy feeds SCI/SSCI论文 OAI收割 2005 作者: Li Y.; Li Y. 收藏 \| 浏览/下载：21/0 \| 提交时间：2012/06/08 heavy metal dairy feed survey Wisconsin sewage-sludge agricultural soils cadmium zinc cattle toxicity elements alfalfa england manures