- 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.
