Biological Nitrogen Fixation: Research Challenges - A Review of Research Grants Funded by the U.S. Agency for International Development

	Fuels,	22
	Industrial Uses,	23
	Sustainable Agriculture and Forestry,	24
	Legume Improvement,	25
	Survival and Competition of Nitrogen-Fixing Organisms,	27
	BNF Systems for Cereals,	28
	Cropping Systems Using Nitrogen-Fixing Plants,	29
	Culture Collections,	30
	Inoculants,	30
	Socioeconomics,	31
2	REVIEW OF GRANTS	33
	Review Procedures,	34
	Site Visits,	34
	Mail Inquiry,	34
	General Observations,	35
	Impact of the Research Grants Programs,	37
	Human Capital and Education,	37
	The Environment,	39
	Fuels,	40
	Sustainable Agriculture,	40
	Plants with Increased BNF Capacity,	41
	Rhizobia that Improve BNF Capability,	41
	Cropping Systems Using BNF,	42
	Biological Disease Control in Legumes,	42
	Use of Algae and Azolla to Supply Nitrogen to Rice,	43
	Forestry,	43
	Scientific Knowledge,	44
	Social Benefits,	45
	Development,	45
	Benefit to the United States,	46
3	RECOMMENDATIONS	48
	REFERENCES	50