Climate, Soil and Crop Production in the Humid Tropics. [Monograph]
Williams, C.N.: Joseph, K.T. \ 1970
humid tropics - rice soils - soil organic matter - soil fertility - tropical soils - soil water - World
Soils of the Humid Tropics. [Monograph]
Committee on Tropical Soils. Agricultural Board. National Research Council \ 1972
humid tropics - soil - soil physical properties - soil surveys - soil organic matter - plant nutrition - soil management - World
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