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期刊
Agricultural Economics (7)
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Article (6)
Book Review (1)
類別
Agricultural and Biological Sciences (7)
Economics, Econometrics and Finance (7)
出版年
2000 (1)
2003 (5)
2004 (1)
語文
EN (7)
作者
Aguirre, J.A. (2)
Bellon, M.R. (2)
Berthaud, J. (2)
Manuel Rosas, I. (2)
Marasas, C.N. (2)
Martinez, R. (2)
Ramirez, A. (2)
Singh, R.P. (2)
Smale, M. (7)
Solano, A.M. (2)
關鍵字
Costs and benefits (2)
Developing countries (2)
Leaf rust (2)
Maize (2)
Mexico (2)
On-farm conservation (2)
Participatory plant breeding (2)
Productivity maintenance research (2)
Rate of return analysis (2)
Wheat (3)
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