West African soils

類似資料

• Soils of the West African savanna the maintenance and improvement of their fertility
  著者:: Jones, Michael John
  出版事項: (1975)
• West African crops /
  著者:: Irvine, Frederick Robert
  出版事項: (1974)
• Food production and crisis in the West African savanah /
  著者:: Caldwell, John C. (John Charles), 1928-
  出版事項: (1981)
• Integrating crops and livestock in West Africa.
  出版事項: (1983)
• West African weeds /
  著者:: Ivens, Giles William
  出版事項: (1978)