1. Food security and soil quality. (©2010) Other Names: Lal, R; Stewart, B. A (Bobby Alton), 1932- Record Type: Book Extent: 1 online resource (xiii, 416 pages, [2] pages of plates), illustrations, maps (some color) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Soil biology : effects on soil quality /: effects on soil quality. (2018) Other Names: Hatfield, Jerry L; Stewart, B. A (Bobby Alton), 1932- Record Type: Book Extent: 1 online resource (175 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗