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285 items found (Showing 11 - 20)
  1. Key Resource 2002-01-01 Tropical Tree Seed Manual is a one-volume reference manual for students, technicians, and scientists that provides comprehensive, internationally compiled data about tropical trees. The emphasis is on species of the Americas; however, a number of tropical tree species from other countries are...  
  2. Key Resource 1974-01-11 In the tropical and subtropical areas of the world, food grains make up the bulk of the diet for most people. Food grains together with fiber and specialty crops are also principal cash producers. It is with these commodities that this Guide for Field Crops in the Tropics and Subtropics concerns...  
  3. Key Resource 1986-01-12 Includes index. Translated by: John Coates. pests rice maize legumes vegetables fruits storage insecticidal plants ashes baits traps vegetable oils mineral substances  
  4. Key Resource 1998-01-01 This book is a valuable guide for anyone concerned with the management or production of forage, especially by the smallholder farmers and pastoralists in the tropcis and subtropics. It covers the principles of forage husbandry, as well as the functions of different types of forage resources and...  
  5. Key Resource 1999-01-01 This book looks at the ways in which the productivity of food crops in the semi-arid tropics may be increased, and yields safeguarded, by both genetic and agronomic means.  
  6. Key Resource 1991-01-01 Pigs covers is detail the characteristics and requirements of this livestock group, and how to raise and produce pigs in a variety of tropical zones and farming systems. Breeds, breeding, health,nutrition, housing,slaughtering and processing are all included. 150 pages, illustrated, photos  
  7. Key Resource 1992-03-10 This text examines the strategies and techniques of Low-External-Input and Sustainable Agriculture (LEISA) in the tropics and analyzes the scientific principles behind them. The central aim of the book is to show development workers how they can assist small-scale farmers in making the best use...  
  8. Key Resource 1983-01-01 The main objective of this text is to provide concise information on vegetable crops grown in tropical regions which will be of use to students, extension service staff and research workers who wish to enlarge their knowledge of the range of food crops available for growing in the tropics and the...  
  9. Key Resource 1992-01-01 Includes chapters on: Principles of Preventive Crop Protection; Pests in Field and Store; Methods of Crop and Storage Protection; references; index. 2 editions  
  10. Key Resource 1989-01-01 This Agrodok discusses green manuring and several other forms of soil improvement in the tropics. In particular, we shall pay attention to plants that can fix atmospheric nitrogen: the legumes. Due to this capacity these plants do not require nitrogen fertilization, which makes them very suitable...