Plant husbandry – Mulching
Reexamination Certificate
2005-08-02
2005-08-02
Gellner, Jeffrey L. (Department: 3643)
Plant husbandry
Mulching
C071S012000, C264S122000
Reexamination Certificate
active
06922941
ABSTRACT:
A method for making a plant-cultivating web or sheet from excretive sludge of domestic animals includes collecting sludge; concentrating the sludge; stabilizing the sludge; dehydrating the sludge; mixing the sludge with polyvinyl acetate (PVAC), wherein the mixing ratio between the sludge and PVAC is 4:1; drying a mixture of the sludge and PVAC; grinding the dried mixture into powders; mixing the powders with polyethylene, wherein the mixing ratio between the powders and polyethylene is 10%-80%: 90%-10%; adding high molecular weight starch into a mixture of the powders and polyethylene; and rolling the starch/mixture of the powders and polyethylene into a plate-cultivating web. An environment-protective and waste-reusing product is provided accordingly.
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Gellner Jeffrey L.
Rosenberg , Klein & Lee
Taiwan Livestock Research Institute, Council of Agriculture
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