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The Effect of Soil Reaction on the Growth of Tomatoes and Lettuce and on the Nitrogen, Phosphorus and Manganese Content of the Soil and Plant

Carroll Davidson PhillipsEmery Myers EmmertErnest Newton FergusHenry Ernest CurtisHugh Bruce PriceMerton Dale OylerWilliam Goebel FinnPhilip R. EdwardsW. L. Rouse

出版	Kentucky Agricultural Experiment Station, University of Kentucky, 1930
URL	http://books.google.com.hk/books?id=M-dQAQAAMAAJ&hl=&source=gbs_api