Lawn Talk A range of lawn fertilizing articles beginning with "Choosing Fertilizers for Home Lawns".
Island Lawn and Garden Concise discussion about organic and inorganic fertilizing along with a number of lawn fertilization topics.
Fertilizer Registration and Penalties The North Carolina Department of Agriculture and Consumer Services offers advice on the fertilizer penalty system.
Soils and Soil Management Offers a database and search function of a range of articles about fertilizers.
MDS Harris Turf 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.
