71. Soils and soil management Creator: Gustafson, Axel Ferdinand, 1880- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Company, Inc., Publication Place: London : Date: 1941 Format: Book
72. The soils that support us: an introduction to the study of soils and their use by men Creator: Kellogg, Charles E. 1902- Collection: Core Historical Literature of Agriculture Publisher: Macmillan, Publication Place: New York : Date: 1941 Format: Book
73. Fundamentals of soil science Creator: Millar, Charles Ernest, 1885- Collection: Core Historical Literature of Agriculture Publisher: Chapman & Hall, Limited, Publication Place: London : Date: 1943 Format: Book
74. Forest soils, Creator: Lutz, Harold John, 1900- Collection: Core Historical Literature of Agriculture Publisher: J. Wiley & Sons, Inc., Publication Place: New York : Date: 1946 Format: Book
75. Forest soils and forest growth Creator: Wilde, S. A. 1898- Collection: Core Historical Literature of Agriculture Publisher: Chronica Botanica Co., Publication Place: Waltham, Mass. : Date: 1946 Format: Book
76. The furrow and us Creator: Jack, Walter Thomas, 1891- Collection: Core Historical Literature of Agriculture Publisher: Dorrance & Company, Publication Place: Philadelphia : Date: 1946 Format: Book
77. Diagnosis and improvement of saline and alkali soils Creator: Allison, L. E. Collection: Core Historical Literature of Agriculture Publisher: Regional Salinity Laboratory, Publication Place: Riverside, Calif. : Date: 1947 Format: Book
78. The soil and health: a study of organic agriculture Creator: Howard, Albert, (as Sir,) 1873-1947. Collection: Core Historical Literature of Agriculture Publisher: The Devin-Adair Company, Publication Place: New York : Date: 1947 Format: Book
79. Using and managing soils Creator: Gustafson, Axel Ferdinand, 1880- Collection: Core Historical Literature of Agriculture Publisher: McGraw-Hill Book Co., Publication Place: New York : Date: 1948 Format: Book
80. Cation exchange in soils Creator: Kelley, Walter Pearson, 1878- Collection: Core Historical Literature of Agriculture Publisher: Reinhold Pub. Corp., Publication Place: New York : Date: 1948 Format: Book