University of Illinois Extension

Soil

Inherent Characteristics

Extension Publications Extension Publications

Click above to view a discussion on how soils hold water at the University of Nebraska site.

Functions of Soil and Soil Profile Functions of Soil and Soil Profile

Click above to view a horticultural summary of soil properties at the Texas A & M site.

Fertilizers

Environmental Horticulture: Guide to Nutrient Management Environmental Horticulture: Guide to Nutrient Management

Virginia Extension has information on essential elements, nutrient deficiencies, fertilizers and pH.

Essential Elements, Mobility and pH Effect Essential Elements, Mobility and pH Effect

Click above to view the Texas A & M site for an excellent discussion on plant nutrients.

Extension Publications Extension Publications

View the "Gardeners Guide for Soil and Nutrient Management in Growing Vegetables" from Nebraska Extension.

North Carolina Cooperative Extension North Carolina Cooperative Extension

Look at the North Carolina Cooperative web site and search "fertilizer" for additional soil and fertilizer related topics.

Organic Matter and Humus

Extension Publications Extension Publications

Good information on composting from the University of Nebraska website.
Introduction | Botany | Soil | Pests and Disease | Ornamentals | Fruits | Garden
Environmental Concerns | Other Related Links