Convenience Fertilizers For Home Landscapes - Information on fertilizing shrubs and trees on home lanscapes.

Extremely Green Gardening Company - "Online source for organic gardening products including fertilizers, biological pest control, soil test kits."

Fertilization of Lawns - Details the benefits of and how to fertilize lawns.

Fertilizer Application - Debates whether to fertilize with organic or inorganic products.

Fertilizing Landscape Plants - Explains the necessities of fertilizing plants.

Fertilizing Woody Ornamentals - Explains the best way to fertilize these types of plants.

Island Lawn and Garden - Concise discussion about organic and inorganic fertilizing along with a number of lawn fertilization topics.

Know Your Soil: Applying Fertilizers on Your Home Garden - University of Maine bulletin provides information on fertilizers to supplement nutrients in the soil.

Lawn Talk - A range of lawn fertilizing articles beginning with "Choosing Fertilizers for Home Lawns".

Responsible Fertilizer Practices for Lawns - "Outlines general fertilizer practices, nitrogen and phosphorus requirements, and application timing for lawns."

Soils and Soil Management - Offers a database and search function of a range of articles about fertilizers.

Washington State Department of Agriculture - "Information on products and their content of heavy metals, along with fertilizer laws and label requirements."