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The National Agricultural Library's portal to USDA-authored and other agricultural research. It covers nutrition, food safety, food quality, animal and crop production and protection, natural resources, sustainable agricultural systems, rural development, agricultural economic and policy issues, agricultural imports and exports, and agricultural statistics.
The Nutrient Data Laboratory (NDL) has the responsibility to develop USDA's National Nutrient Database for Standard Reference, the foundation of most food and nutrition databases in the US, used in food policy, research and nutrition monitoring.