Explore: Tropical Soils

soil age. Most tropical soils are characterized by significant leaching and poor nutrients, however there are some areas that contain fertile soils.

in acid soils. Soil organisms are hindered by high acidity, and most agricultural crops do best with mineral soils of pH 6.5 and organic soils of pH 5

Laterite is a soil type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of

of volcanic origin, tropical soils may be quite fertile. If rainforest trees are cleared, rain can accumulate on the exposed soil surfaces, creating run-off

Carbon in Tropical and Subtropical Soils". Ambio. 22 (7): 417–426. JSTOR 4314120. Sombroek, W.G. (1966). Amazon soils : a reconnaissance of the soils of the

as oxisols (USDA soil taxonomy) or ferralsols (World Reference Base for Soil Resources). Latosols are tropical soils, but not all soils in the tropics are

Around a third of all tropical soils are too acidic to support traditional food crops.[citation needed] These highly acidic tropical soils represent the largest

(1971). "Formation and transformations of clay minerals in tropical soils". Soils and tropical weathering: proceedings of the Bandung Symposium 16 to 23

Oxisols are a soil order in USDA soil taxonomy, best known for their occurrence in tropical rain forest within 25 degrees north and south of the Equator

and fertility of tropical soils : report of the Tropical Soil Biology and Fertility Programme (TSBF) 1994. Nairobi, Kenya: Tropical Soil Biology and Fertility