1. 01/04/1978 488 pages, illustrated, tables
  2. 01/05/1985 Proceedings of an IBSRAM Inaugural Workshop, Bangkok, Thailand 42 pages, tables
  3. 01/06/1975 66 pages, tables Cornell International Agricultural Bulletin 30
  4. 01/01/1979 The objective of this paper is to describe some of the soil-water-crop problems that were encountered by researchers in Puerto Rico on Oxisols and Ultisols and in Brazil on Oxisols and to suggest some important1/1/1979 management practices and consequences for highly weathered soils in other...
  5. 01/01/1984 Excessive soil acidity is a continuing problem in many agricultural areas and is increasingly becoming a yield-limiting factor in other areas. The pH of soils of the dryland wheat-growing area of the Pacific Northwest has dropped an average of one unit in the last 20 years. Similar effects are...