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US 4,056,380 AGranted
Method of producing an organic soil additive and the product thereof
AssigneeThe Hydro-Terre Corporation
InventorE. Brandt Thiac
Life of this patent
Estimating the term…
Abstract
The present disclosure is directed to a method of producing an organic soil additive from shreaded water hyacinths and a mixture of secondary sewage combined in spaced apart heaps for aeriation and composting with subsequent steam treatment to produce a product having high moisture retention characteristics for use as a soil additive, conditioner, amendment, fertilizer ingredient and/or agent or potting soil.
Claims12
The method of producing an organic soil additive for improving structural properties of soils comprising:
- a. harvesting water hyacinths,
- b. mixing secondary sewage sludge, animal or poultry manure and/or any combination of the three with water hyacinths in spaced apart heaps,
- c. injecting air into the heaps to cut composting time, and
- d. steam treating the composted mass to sterilize it.
1 more element
Dependencies are inferred from the claim text.