Box 52
Contains 25 Results:
Hydroponics, 1957
This subseries contains records and maps related to soil formation and classification, management, physics and structure, salinity and alkalinity, conservation and erosion, and chemistry.
Organic gardening, 1972 - 1974
This subseries contains records and maps related to soil formation and classification, management, physics and structure, salinity and alkalinity, conservation and erosion, and chemistry.
Land fill, 1972
This subseries contains records and maps related to soil formation and classification, management, physics and structure, salinity and alkalinity, conservation and erosion, and chemistry.
Soil and health, 1946
This subseries contains records and maps related to soil formation and classification, management, physics and structure, salinity and alkalinity, conservation and erosion, and chemistry.
Powell, L. Thornton, 1943
This subseries contains records and maps related to soil formation and classification, management, physics and structure, salinity and alkalinity, conservation and erosion, and chemistry.