Earth

Soil in Relation to Crop Growth Bear, Firman E. Chemistry of the soil Bear, Firman E. Chemistry of the soil Bear, Firman E. Earth: the stuff of life Bear, Firman E. Nondestructive and automated testing for soil and rock properties W.A. Marr and C.E. Fairhurst, editors Dynamic geotechnical testing II Ronald J. Ebelhar, Vincent P. Drnevich, and Bruce L. Kutter, editors The nature and properties of soils Brady, Nyle C. Soils, their properties and management Charman, P. E. V.