Chemistry: fertilizers – Processes and products – Organic material-containing
Reexamination Certificate
2007-03-29
2009-10-27
Langel, Wayne (Department: 1793)
Chemistry: fertilizers
Processes and products
Organic material-containing
C071S031000, C071S033000, C071S053000, C071S064100
Reexamination Certificate
active
07608126
ABSTRACT:
The present disclosure provides a plant rejuvenating agent using dehydroepiandrosterone (DHEA), or hydrates thereof, to form plant rejuvenating mixtures that may include additional components. The plant rejuvenating mixture including DHEA may be used in typical horticultural applications, including the improvement of soil fertility; the rejuvenation of unhealthy plants by providing both water for increased turgidity and sterols for plant cell repair; enhancing the longevity of growing season of plants; and retarding the senescence of fresh cut flowers.
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Langel Wayne
Walker Alfred M.
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