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Effect of Different Rates of Phosphorus, Potassium and Lime on Yield, Specific Gravity, and Nutrient Uptake of the Katahdin and Russet Burbank

H. J. Murphy

出版	Maine Agricultural Experiment Station, 1967
URL	http://books.google.com.hk/books?id=xqPl2ICDTEcC&hl=&source=gbs_api