An introduction to economics: concepts for students of agriculture and the rural sector.

F H Erbisch, K M Maredia, K G Willis, J T Corkindale,Eds, Eyzaguirre P Dvorak K A,Joe Smith, A D Barau,Armond S Goldman, Mareck J H Dvorak K A, Scherr S J Dvorak K A, T G Kelley, P P Rao, Walker T S Dvorak K A, Renkow M Dvorak K A, Delehanty J Dvorak K A,Lewis C Becker, D Od Bourke, L Fnjul, A J Rendelldunn, M Greiff, A Young, W C Olsen, G J Persley,A Garcia

mag（2006）

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china,economic value,production,agriculture,natural resources,environment,environmental impact,horticulture,chine,cost benefit analysis,property rights,erosion,genetics

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