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Analyses of Commercial Fertilizers

Clifford Otis EddyE. G. GodbeyRichard Newman BrackettMary Elizabeth FrayserBeauregard Aull RussellMarvin Guin

出版	South Carolina Agricultural Experiment Station, 1930
URL	http://books.google.com.hk/books?id=CgdQAQAAMAAJ&hl=&source=gbs_api