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136 items found (Showing 1 - 10)
  1. Key Resource 1996-01-01 2 Copies This is a book of practical ideas. It is written for people who help those who live and make their living under difficult conditions in the tropics and subtropics. What should a development worker do to assist a community? There are no simple answers, but there are many possibilities—...  
  2. Key Resource 1992-03-10 Amazon.com Description 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...  
  3. 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...  
  4. Key Resource 2008-10-02 This practical handbook describes sampling and laboratory assessment methods for the biodiversity of a number of key functional groups of soil organisms, including insects, earthworms, nematodes, fungi and bacteria. The methods have been assembled and the protocols drafted by a number of...  
  5. 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...  
  6. 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...  
  7. 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.  
  8. Key Resource 1998-10-01 Third Edition People interested in tropical gardening or botany will find this an indispensable guide to several hundred species of plants with edible leaves. Leaves can provide high-quality food, and in the tropics, many are from perennials requiring little effort for their abundant production....  
  9. 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...  
  10. Key Resource 1991-01-19 "Published in co-operation with the Technical Centre for Agricultural and Rural Co-operation"--T.p. verso. Weed Control describes the basic biology of weeds and the characteristics of weed species. The methods of control – manual, animal-powered and engine-drive, cultural and chemical control –...