v. 3. Porosity -- World. v. 2. Ethics -- Pollution -- v. 3. Porosity -- World.
Summary:
The Encyclopedia of Soil Science covers all branches of soil science including pedology, mineralogy, physics, soil mechanics, hydrology, chemistry, biology, ecology and management, and restoration of problem/degraded soils. Thematic topics dealing with soil management address numerous challenges including soil structure, tillage methods and mulch farming, irrigation, drainage and water table management, fertilizer and nutrient management, erosion control, and management of soil organic matter. Entries are alphabetically arranged, and subject and author indices are available for easy access.
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.