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Improvement of Yields of Common Beans (Phaseolus Vulgaris L.) by Increased Nitrogen Fixation in Soils with Low Phosphorus Levels
Irene Christiansen
出版
University of Minnesota
, 2001
URL
http://books.google.com.hk/books?id=x96XyOnXBX8C&hl=&source=gbs_api