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Article: Organic fertilizers in the landscape.(Chemical Corner)
- Article from:
- The Educational Forum
- Article date:
- August 1, 2004
- Author:
CopyrightCOPYRIGHT 2004 Bev-AL Communications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Organic fertilizers are generally products containing nutrients that are derived solely from the remains or a by-product of an organism. The first popular organic fertilizer on the farm was cow manure--which is still perfectly fine for the farm but (due to obvious noxious drawbacks) not so good for fine lawns and landscapes.
For the purposes of this article, sources of nitrogen--the most important turf and ornamental nutrient--include bone meal, dried blood, vegetable and feather meals, sludge and seed extracts. Some of these nitrogen sources can be supplied by spreading enriched, commercially available compost.
Such fertilizers normally contain from 3 ...