Soil Survey of Nassau County. This 167-page PDF publication, compiled by the USDA Soil Conservation Service in cooperation with the Cornell University Agricultural Experiment Station, includes maps with soil names and descriptions for Nassau County, NY.
Soil Texture. This factsheet discusses the four soil texture classifications of sands, silts, loams and clays; how they combine to make textural classifications; how soil texture is determined; and the 5 soil management groups in New York State.
Soil Organic Matter. This factsheet describes types of organic matter in soil; their physical, chemical & biological benefits; farm practices that help maintain or increase soil organic matter levels; and the importance of continued monitoring of soil organic matter content.
The Cornell Soil Health website offers a variety of resources on soil testing and improvement.
Soil Testing. Visit our page on "How to take a soil sample" for testing.
Growing Degree Days (GDD) are a measure of heat accumulation used by horticulturalists to predict the date that a flower will bloom or a crop reach maturity. Statistics for the Northeast are provided on this Cornell Atmospheric Sciences & Turf Team website. See also our page on this topic.
Cornell Gardening page with information on average dates for last spring frost and first fall frost, US hardiness zone map, and microclimates.
Last updated March 10, 2015