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Zero tillage in the rice-wheat systems of the Indo-Gangetic Plains: A review of impacts and sustainability implications

Olaf Erenstein

出版	Intl Food Policy Res Inst
主題	Social Science / Agriculture & Food
URL	http://books.google.com.hk/books?id=E3mvT2nabTcC&hl=&source=gbs_api
EBook	SAMPLE