Amazon soils
Sombroek, W.G.
Amazon soils A reconnaissance of the soils of the Brazilian Amazon region by W.G. Sombroek - Wageningen Centre for Agri. Pub. Documentation 1966 - 292 p.
Amazon Soils
631.4(81) / S 693 A
Amazon soils A reconnaissance of the soils of the Brazilian Amazon region by W.G. Sombroek - Wageningen Centre for Agri. Pub. Documentation 1966 - 292 p.
Amazon Soils
631.4(81) / S 693 A