Memorandum: Recommendations inf the field of soils

Eitemau Tebyg

• Costa Rica: Reference soils of the Turrialba valley and slopes of the Irazú volcano. Soil brief Costa Rica 2
  gan: Kass, D.C.L.
  Cyhoeddwyd: (1995)
• Performance of cropping patterns across a soil texture gradient in Costa Rica
  gan: Burgos, C
  Cyhoeddwyd: (1979)
• A detailed soil survey of the rio Jimenez area in the Atlantic Zone of Costa Rica
  gan: Dam, R.
  Cyhoeddwyd: (1987)
• Effects of landuse and weathering on available nutrients in volcanic ash soils of Costa Rica: a comparative study
  gan: Gerrits, S.
  Cyhoeddwyd: (1997)
• Agroforestry and soil conservation: adoption and profitability in El Salvador
  gan: Shultz, Steven
  Cyhoeddwyd: (1997)