资源 标记: Tropics
149 条目已找到 (正在显示 1 - 10) 下一个
-
1982-01-01 This publication resulted from a symposium held at the American Society of Agronomy and Soil Science Society of America in August 1979. Although the manuscripts focus on soil erosion and conservation in the tropics, works also can apply to many parts of the world.
-
2017-12-15 This book provides up-to-date and comprehensive coverage of the research and application of Integrated Pest Management (IPM) in tropical regions. The first section explores the agro-ecological framework that represents the foundations of IPM in addition to emerging technologies in chemical and...
-
1984-01-01 This illustrated book explores many issues concerning impacting small farmers in in the humid tropics. Topics include farming constraints, minimum tillage, fertility regenerating systems, pest and disease management, fuelwood trees, & fodder trees. 2 copies
-
Introduction to Tropical Soil Science covers the requirements of soil science courses taken by all diploma and degree level students in general agricultureand it provides a solid foundation for those going on to specialize in soil science. The theoretical physical, chemical and biological bases...
-
Agriculture in Africa Rural Communities-Crops and Soils is a basic introduction to principples of crop physiology and practices of crop husbandry. The book recognises the realities of traditional subsistence farming but introduces improved methods. As well as details of plant requirements, and...
-
The purpose of this publication is to inform interested persons of recommended procedures used for various tropical crops. Included are information and a comprehensive treatment of basic and applied aspects of plant introduction for each crop, which are not generally found in books or scientific...
-
The 15th Latin American Symposium ''laS held in Brasilia (FD) on J1UY 18-22, 1977, on a topic of great interest for agriculture, especially in the tropics. Many new developments have taken place in the field of research in N2 fixation during the last few years. They "Tere made possible by the...
-
Making hydrological measurements in the field is an essential part of water resources planning and management. This book is an introduction to thepractical skills and knowledge required to take measurements and to manage data collection programmes. The author draws on 30 years of experience of...
-
The present set of papers is the result of an expert consulation on the subject of improving traditional farming systems of the tropics. The object of the meeint was to provide guidelines for future activities and policy decisions.
-
In the pages of this book you will learn about the tropical trees which seem to create unusual interest to the traveler. The unique trees, the trees you have heard about from school days, the trees that serve mankind by providing medicines, spices, fine furniture, food, have been selected for...