English (en) | Change Language

Sort: Relevance | Newest first | Oldest first


96 items found (Showing 1 - 10)
  1. Key Resource 1989-06-01 Formerly separate publications, the text and dictionary are combined into a one-volume complete guide to Shigo’s album of facts, photos, philosophies, and terminology regarding trees, their problems, and their proper care. On the basis that trees support more integrated groups of living things...  
  2. Key Resource 2010-01-20 This publication contains descriptions of promising African plants. It also reports on three projects where species were explored in projects, Cleome gynandra - spiderplants, Hibiscus sabdariffa - roselle, and Sorghum bicolor - sorghum.  
  3. Key Resource 1988-01-19 Agroforestry in Dryland Africa is specifically designed to be used by agroforestry field workers in subhumid and semi-arid regions of the continent. This includes researchers working with grassroots organizations, community extension and development workers and development specialists in...  
  4. Key Resource 2001-01-20 Whether in a small backyard or a larger farm or forest, trees are vital to the web of life. Protecting and planting trees can restore wildlife habitat, heal degraded land, conserve soil, protect watersheds, diversify farm or garden products, beautify landscapes, and enhance the economic and...  
  5. Key Resource 1995-01-19 The purpose of this handbook is to support training in and implementation of ecologically sound and productive use of resources in agriculture. It is designed to assist in the practical introduction of improved agricultural practices. It can serve as a reference for trainers, extension workers,...  
  6. The purpose of this Web site is to better link the global members of the society, to provide information from time to time on the activities of the society and to greatly encourage communication among the members of the society. ISTF is a nonprofit organization formed in the 1950s in Washington,...  
  7. ITTO's action program is designed to assist tropical member countries to manage and conserve the resource base for tropical timber. It embraces aspects of SFM such as planning, reduced impact logging, community forestry, fire management and biodiversity and transboundary conservation. The...  
  8. Abstract, New Phytologist, 2018 Dec Forest ecosystem methane (CH4) research has focused on soils, but trees are also important sources and sinks in forest CH4 budgets. Living and dead trees transport and emit CH4 produced in soils; living trees and dead wood emit CH4 produced inside trees by...  
  9. Abstract, Plant roots can grow anywhere-in the soil, on the surface of the soil, in the water, and even in the air. Except for the first formed roots that respond positively to gravity, most roots do not grow toward anything or in any particular direction. Root growth is essentially opportunistic...  
  10. The research of the World Agroforestry Centre works towards more productive, diversified, integrated and intensified trees and agroforestry systems that provide livelihood and environmental benefits, including: Enriching the asset base of poor households through farm-grown trees. Maximizing the...