Shifting cultivation is the predominant system of arable farming in the humid and sub-humid tropics, where several hundred million people depend on this system

Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.

Some general charscteristics of farming in a tropical environment; Shifting cultivation systems; Fallow systems; Ley systems; Systems with permanent upland cult

Historically, tropical ecology has been a science often content with descriptive and demographic approaches, which is understandable given the difficulty of stu

Farmers in the Forest, while using examples chiefly from northern Thailand, is concerned with complex problems found in all tropical countries. In these areas r