Farmers all over the world have to decide what to produce and how to go about it. In the tropics, small farmers have to work with a limited resource-base which usually does not lead itself to highly productive systems of consistent crop and animal production. Yet those people who live in developing tropical countries should be concerned that their farmers do produce more from the limited resources with which they have to work. The principles of farm management economics and the applications of the tools and techniques of farm management analysis and planning can help small farmers in tropics...