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Moisture and Fertility Relations of Subsoil Variations in Heavy Silt Loam Soil at Goodwell, Oklahoma

Albert Edward DarlowFred Erle WhiteheadHenry Howard FinnellLippert Spring EllisVictor G. HellerRoy Arthur BallingerClyde C. McWhorterAlbert Maxey Dickson

出版	Oklahoma Agricultural and Mechanical College, Agricultural Experiment Station, 1933
URL	http://books.google.com.hk/books?id=s99PAQAAMAAJ&hl=&source=gbs_api