ABSTRACT
Tree foliage provides valuable livestock fodder in all climates from humid forests to dry rangelands. Moreover, fast-growing fuelwood trees can be profitable cash crops when they are produced within reach of rapidly enlarging urban markets. Agroforestry is a general term for the planting of trees on farmland for fuelwood, poles, shade, shelter, or fruit. Rainfall amounts are not specified, and sometimes combinations of trees and crops are described without mentioning that they will succeed only if irrigated. In tree gardens, cultivators skillfully replace a multistoried rainforest with a multistoried array of tree crops that provide food and cash. Successful livestock production under these tree crops has been developed in Malaysia. The East African Agriculture and Forestry Organization found that tea yields are responsive to total daily radiation at the plucking surface. In western Nigeria, the International Institute for Tropical Agriculture has experimented with leucaena interplanted with maize in an area of 1500 millimeters annual rainfall.
