Convenience Fertilizers For Home Landscapes
ext.vt.edu
Information on fertilizing shrubs and trees on home lanscapes.
Washington State Department of Agriculture
agr.wa.gov
Information on products and their content of heavy metals, along with fertilizer laws and label requirements.
Fertilizing Landscape Plants
ohioline.osu.edu
Explains the necessities of fertilizing plants.
Fertilization of Lawns
ohioline.osu.edu
Details the benefits of and how to fertilize lawns.
University of Maine Bulletin
umext.maine.edu
Information on fertilizers to supplement nutrients in the soil.
Fertilizer Application
gardenline.usask.ca
Debates whether to fertilize with organic or inorganic products.
Soils and Soil Management
msue.msu.edu
Offers a database and search function of a range of articles about fertilizers.
Responsible Fertilizer Practices for Lawns
extension.umn.edu
Outlines general fertilizer practices, nitrogen and phosphorus requirements, and application timing for lawns.
MDS Harris Turf
turf.com
A commercial soil-testing laboratory that provides soil and water testing as well as plant and tissue analysis for golf courses and athletic fields, as well as agronomic growers and dealers.
Extremely Green Gardening Company
extremelygreen.com
Online source for organic gardening products including fertilizers, biological pest control, soil test kits.
Fertilizer Registration and Penalties
agr.state.nc.us
The North Carolina Department of Agriculture and Consumer Services offers advice on the fertilizer penalty system.
Fertilizing Woody Ornamentals
aggie-horticulture.tamu.edu
Explains the best way to fertilize these types of plants.
Lawn Talk
urbanext.uiuc.edu
A range of lawn fertilizing articles beginning with "Choosing Fertilizers for Home Lawns".
Island Lawn and Garden
ilg-mv.com
Concise discussion about organic and inorganic fertilizing along with a number of lawn fertilization topics.