Fertilizer Experiments with Cotton on Piedmont Cecil Sandy Loam Soil and Varieties, Culture and Fertilization of Cotton on Piedmont Cecil Sandy Loam and Red Clay Soils

Charles Burgess WilliamsGardner Marion GarrenRhett Youmans WintersRobert Seth CurtisWilliam Nichol HuttWilliam Roswell Camp

出版	North Carolina Agricultural Experiment Station, 1912
URL	http://books.google.com.hk/books?id=YJxNAQAACAAJ&hl=&source=gbs_api