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Determinant Analysis of the of Adoption of Raising Sheep in Folds by Farmers in the Semiarid Loess P
【机 构】
:
Institute of Arid Agroecology, State Key Laboratory of Grassland Agro-Ecology, Lanzhou University, C
【出 处】
:
2012杨凌国际农业科技论坛
【发表日期】
:
2012年9期
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