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The Influence of Fertilizers on Yield of Tomatoes and on the Concentration of Nitrate Nitrogen and Soluble Phosphorus in the Petiole Tissue
Gordon Almon Van Epps
出版Utah State Agricultural College, Department of Agronomy, 1948
URLhttp://books.google.com.hk/books?id=zgPrNwAACAAJ&hl=&source=gbs_api