Horticulture

The national Cooperative Extension Service engages citizens to improve economic development and quality of life by delivering research-based information in agriculture, natural resources, food safety and nutrition, economic and community development, and 4-H youth development.

This site is dedicated to the ornamental attributes, appropriate use, and identification of woody landscape plants.

A comprehensive list from the National Agriculture Library of places USDA publications might be found.

Plant selection can be daunting. Use the Carolina Yards Plant Database to make an informed decision and ensure you’re selecting the right plant for the right place.

Provides unbiased, science-based interpretations of soil test phosphorus and potassium values for crop fertilization.

Darwin Core is a metadata standard used to describe biological diversity.

Wikispecies is a wiki-based online project supported by the Wikimedia Foundation. Its aim is to create a comprehensive free content catalog of all species and is directed at scientists, rather than at the general public.