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Plants and Crops

University of California. Department of Plant Sciences.

Covers insects and diseases, irrigation and nutrition, organic production, pesticides and alternatives, weather, soil, and more. Identifies research-based information about extension activities in planting, growing and harvesting fruits and nuts.

University of Illinois at Urbana-Champaign. University of Illinois Extension. Urban Programs Resource Network.

Guides growing, storing and preparing a variety of vegetables; also in Spanish

Cornell University.

Covers site selection, soil preparation, planting, pruning and training, pest and disease management, and choosing varieties of tree fruits, grapes, and berries.

Cornell University.

Presents guides to 269 flowers and foliage plants, and allows user to enter characteristics and get suggested plants.

USDA. Agricultural Research Service.

Briefly describes the largest designed herb garden in North America.

The Rangelands Partnership.

Provides resources on food security, climate adaptation, public health, environmental impacts, and economic development as they relate to rangelands.

American Tree Farm System

Contains information on a network of 82,000 family forest owners sustainably managing 24 million acres of forestland.

United Nations. Food and Agriculture Organization of the United Nations.

Offers country profiles and documents on all aspects of forestry for technical specialists and the public.