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On-Site and Off-Site Long-Term Economic Impacts of Soil Fertility Management Practices: The Case of Maize-Based Cropping Systems in Kenya
Ephraim Nkonya, Patrick Gicheru, Johannes Woelcke, Barrack Okoba, Daniel Kilambya, and Louis N. Gachimbi
出版Intl Food Policy Res Inst
主題Social Science / Agriculture & Food
URLhttp://books.google.com.hk/books?id=KK6kpUq6T-kC&hl=&source=gbs_api
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