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	This page provides links to collections of data that— Are accessible or searchable online or can be downloaded, and Are maintained by the Agricultural Research Service or by ARS in cooperation with other organizations. Links on this page are organized by broad topic— Chemistry and Biochemistry Food and Nutrition Genetics Germplasm Natural Resources Systematics (Taxonomic Classification)
Top	Chemistry and Biochemistry NMR Database of Lignin and Cell Wall Model Components Molecular models as determined from NMR (Nuclear Magnetic Resonance) imaging. New Crops Oilseed Database Information on chemical composition, for example oil content, of more than 15,000 seed accessions. Pesticide Properties Database Chemical and physical properties of more than 300 pesticides listed by the common name of the active ingredients.
Top	Food and Nutrition Nutrient Data Laboratory Links to about a dozen data sets prepared on food composition, nutrients, phytonutrients, and other topics.
Top	Genetics Maize Genome Database (MaizeDB) Comprehensive source of information on the genetics and molecular biology of maize. SoyBase Access to a number of soybean genetics datasets. Animal Genetic Map Data on Cattle, Swine and Sheep Linkage maps, marker sets and other datasets from genome mapping projects for cattle, swine and sheep. GrainGenes Compilation of molecular and phenotypic information on wheat, barley, rye, triticale and oats.
Top	Germplasm National Genetic Resources Program (NGRP) As part of the NGRP, the Germplasm Resources Information Network (GRIN) makes available many datasets in the— National Plant Germplasm System National Animal Germplasm Program National Microbial Germplasm Program including links to various microbial datsets including— ARS Culture Collection ARS Collection of Entomopathogenic Fungal Cultures ARS National Rhizobium Germplasm Resource Center U.S. National Fungus Collections National Invertebrate Genetic Resources Program
Top	Natural Resources Experimental Watersheds Soils, vegetation, land use, hydrology, topography, climate and other data from the Walnut Gulch Experimental Watershed and Santa Rita Experimental Range, both in Arizona. Water Database Precipitation and streamflow data from small agricultural watersheds in the United States. Weather Data Summary for 1964-1993, Stoneville, MS Data used in agricultural research planning, interpretation and analysis of research data, and agricultural production in the MidDelta area of Mississippi. The data resulted from a study aimed at predicting weather variables for each day of the year.
Top	Systematics (Taxonomic Classification) Systematic Botany & Mycology Laboratory The web site of the ARS Systematic Botany & Mycology Laboratory provides access to several of its own datasets--along with those of other organizations--on topics of plant and microbial taxonomy and collections Systematic Entomology Laboratory The ARS Systematic Entomology Laboratory provides links to many datasets on entomological taxonomy and holdings of many entomological collections maintained by ARS, the National Museum of Natural History and other organizations. Plant Taxonomic Information of the National Germplasm Information Network (GRIN) Classification and nomenclature for plant germplasm accessions of the ARS National Plant Germplasm System and for many other economic plants worldwide.