Tài nguyên được gắn thẻ với: Nitrogen Fixation

20 đề mục được tìm thấy (Hiển thị 1 - 10)

  1. Nitrogen Fixation in Tropical Cropping Systems

    01-01-1991 Soil fertility is the overriding constraint to food production in the tropics, and yet in many developing countries fertilizers are unavailable or beyond the reach of subsistence farmers. The biological fixation of atmospheric nitrogen is the only way that plants can manufacture their own...
    Soil Health Soil Fertility Nitrogen Fixation Tropical crops Cropping Systems

  2. FM 2003 LEISA Magazine Vol 19 #4

    20-12-2003 Little bugs, big problems Nitrogen fixation on a national scale From soil erosion to soil quality Healing the earth - an Ethiopian story Understanding traditional terracin Adoption of green manure and cover crops Kick-starting legumes Bioremediation: decontaminating polluted soils Using weed to...
    Nitrogen Fixation Green Manure Cover... Legumes Fodder trees Green Manures Weed Control Shelter

  3. Nitrogen Fixing Trees for Fodder Production: Proceedings of an International Workshop

    Tài Nguyên Chính 19-01-1998 Organized by Forest, Farm, and Community Tree Network (FACT Net), Winrock International, and BAIF Deveopment ResearchFoundation, march 20-25, 1995 Forest, Farm, and Comunity Tree Research Reports-Special issue, 1998 Forty-three individuals representing 18 countries participated in the workshop....
    Nitrogen Fixing Trees Nitrogen Fixation Fodder plants Fodder Tree crops Fodder trees

  4. Blue-Green Algae for Rice Production: A Manual for Its Promotion

    This manual is the first in a series planned by the Regional Project, designed to give detailed, practical advice on the various methodologies of organic recycling.
    Nitrogen Fixation Fertilizers Rice Algae Rice Rice Production

  5. Application of Nitrogen-Fixing Systems in Soil Improvement and Management

    The purpose of this bulletin is to describe methods applied to utilize nitrogen-fixing systems in soil improvement and management and the consequent increases in crop yields obtainable by these methods. The rest of the integrated systems involved i.e. chemical and physcial manipulations, are...
    Nitrogen Content Nitrogen Fixation Soil Health Soil Management

  6. The Legume-Rhizobium Symbiosis: Evaluation, Selection, and Agronomic Management

    01-01-1988 The objective of this Unit is to present the relevant concepts, methods and strategies required to evaluate nitrogen fixation in legume selection programs. Various stages and types of experiements, and the treatments required to evaluate the legume-rhizobium symbiosis are defined. Procedures for...
    Nitrogen Fixation Legumes Rhizobium Agronomy Rhizobia

  7. Gliricidia sepium (Jacq.) Walp.: Management and Improvement

    01-01-1987 The objectives of this workshop were to encourage communication among researchers, assess the state-of-the-art knowledge about its genetic improvement, management and use, identify research priorities, initiate collaborative research through networkingand promote research funding, and to prepare...
    Useful Tree Nitrogen Fixation Nitrogen Fixing Trees Trees

  8. Nitrogen Fixing Trees for Wastelands

    01-01-1988 This document is a compendium of existing knowledge on the characteristics, silviculture, plantation techniques, growth rates and utilization of nitrogen fixing trees for different types of wasteland. It is organized as a set of tables designed to help the user first determine what species might...
    Nitrogen Fixing Trees Nitrogen Fixation Wastelands Mesquite Acacia

  9. Nitrogen Fixing Tree Research Reports: Vol. 13, 1995

    Nitrogen Fixing Tree Research Reports provides a forum for short technical reports on research, extension, and production activities involving trees that fix nitrogen. This report is divided into Contributed papers involving several NFT genera and one NFT genus.
    Nitrogen Fixation Trees Nitrogen Fixing Trees

  10. Crotalaria juncea, a promising green manure crop for the tropics

    This article is from ECHO Asia Note #3 Crotalaria juncea, or sunn hemp, is a member of the pea family (Fabaceae) grown in many countries as a green manure or forage crop. Originating in South Asia, but with a common cultivar developed in Hawaii, it is a fastgrowing, drought-tolerant and...
    Nitrogen Fixation Green Manures and ... Green Manure Cover... Green Manures Cover Crops Legume Asia