ធនធាន ដាក់ស្លាក: Nitrogen Fixation
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01 មករា 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...
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20 ធ្នូ 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...
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ធនធានសំខាន់ 19 មករា 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....
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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.
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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...
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01 មករា 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...
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01 មករា 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...
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01 មករា 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...
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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.
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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...
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