Slow release nitrogen coating
First Claim
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1. A coated aggregate material for placing in proximity to a plant, the aggregate having an adherent coating thereon comprising an adhesive binder and a particulate urea-formaldehyde polymer.
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Abstract
A coated aggregate material for enhancing the extended delivery of nitrogen needed for plant development and growth, the coated aggregate material having a slow release (extended-release) nitrogen coating of a particulate UF polymer adhered to the aggregate material with an adhesive binder.
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Citations
23 Claims
- 1. A coated aggregate material for placing in proximity to a plant, the aggregate having an adherent coating thereon comprising an adhesive binder and a particulate urea-formaldehyde polymer.
- 13. A method of enhancing the growth and development of a plant comprising providing in the proximity of said plant a coated aggregate material having an adherent coating thereon comprising an adhesive binder and a particulate urea-formaldehyde polymer.
Specification