IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0078628
(2002-02-19)
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발명자
/ 주소 |
- Glenn, David Michael
- Sekutowski, Dennis G.
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
4 인용 특허 :
9 |
초록
▼
Disclosed are methods of reducing weed growth or reducing pests involving applying to plant producing media particulate materials to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied part
Disclosed are methods of reducing weed growth or reducing pests involving applying to plant producing media particulate materials to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied particulate materials Also disclosed are methods of reducing weed growth involving applying to plant producing media or unwanted vegetation a film of particulate materials, wherein the film has a thickness of about 1 μm or more and about 5 mm or less.
대표청구항
▼
1. A method of reducing weed growth, comprisingapplying to plant producing media hydrophobic particulate materials having a median individual particle size below about 100 μm to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and ab
1. A method of reducing weed growth, comprisingapplying to plant producing media hydrophobic particulate materials having a median individual particle size below about 100 μm to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied hydrophobic particulate materials. 2. The method of claim 1, wherein the hydrophobic particulate materials are applied to a depth of at least about 3 cm to about 30 cm.3. The method of claim 1, wherein the plant producing media to the depth comprises about 2% by weight or more and about 15% by weight or less of the applied hydrophobic particulate materials.4. The method of claim 1, wherein 90% by weight or more of the hydrophobic particulate materials have a particle size of less than about 3 microns.5. The method of claim 1, wherein the hydrophobic particulate materials are applied by one of:contacting a slurry comprising water, a salt, and the hydrophobic particulate materials with the plant producing media and mixing the slurry and the plant producing media; applying the hydrophobic particulate materials in powder form to the plant producing media and mixing the hydrophobic particulate materials and the plant producing media; or mixing the hydrophobic particulate materials with loose plant producing media to form a mixture, applying the mixture to the plant producing media. 6. The method of claim 1, wherein the plant producing media comprises at least one selected from the group consisting of soil, peat, compost, vermiculite, and rockwool.7. The method of claim 1, wherein the hydrophobic particulate materials comprise at least one selected from the group consisting of heat treated particulate materials, calcium carbonate, talc, kaolin, bentonites, pyrophyllite, silica, feldspar, sand, quartz, chalk, limestone, precipitated calcium carbonate, diatomaceous earth, barytes, aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust.8. The method of claim 1, wherein the hydrophobic particulate materials comprise a hydrophilic core and a hydrophobic outer surface.9. A method of reducing weed growth, comprisingapplying to plant producing media a mixture of particulate materials in agglomerate form having a median individual agglomerate size below about 500 μm and a high boiling organic liquid, and the particulate materials being selected from the group consisting of heat treated particulate materials, talc, kaolin, diatomaceous earth aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust, wherein the particulate materials are applied to a depth of at least about 1 cm and the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied particulate materials. 10. The method of claim 9, wherein the particulate materials in agglomerate form are applied to a depth of at least about 2 cm, wherein the plant producing media to the depth comprises about 2% by weight or more and about 15% by weight or less of the applied particulate materials.11. The method of claim 9, wherein the mixture of particulate materials is applied by contacting the plant producing media with slurry comprising water and from about 5% by weight to about 50% by weight of the applied particulate materials.12. The method of claim 11, wherein the high boiling organic liquid comprises at least one selected from the group consisting of oils and fatty acids.13. The method of claim 9, wherein the particulate materials comprise hydrophobic particulate materials.14. The method of claim 9, wherein the particulate materials comprise hydrous kaolin.15. A method of reducing weed growth, comprisingapplying to unwanted vegetation an emulsion comprising water, particulate materials having a median individual particle size below about 100 μm and a high boiling organic liquid selected from the group consisting of cottonseed oil, palm oil, peanut oil, corn oil, and soya oil to form a film, wherein the film has a thickness of about 5 μm or more and about 5 mm or less. 16. The method of claim 15, wherein 90% by weight or more of the particulate materials have a particle size of less than about 10 microns.17. The method of claim 15, wherein the particulate materials comprise hydrous kaolin.18. The method of claim 15, wherein the emulsion further comprises at least one selected from the group consisting of herbicides, pesticides, and fungicides.19. The method of claim 15, wherein the particulate materials comprise at least one selected from the group consisting of calcium carbonate, talc, hydrous kaolin, calcined kaolin, bentonites, pyrophyllite, silica, feldspar, sand, quartz, chalk, limestone, precipitated calcium carbonate, diatomaceous earth and barytes, aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust.20. The method of claim 15, wherein the emulsion comprises cottonseed oil.21. The unwanted vegetation having a film thereon according to claim 15.22. A plot of land comprisingan upper layer beginning at the surface to a depth from about 3 cm to about 30 cm comprising soil and about 1% by weight or more and about 25% by weight or less of applied hydrophobic particulate materials having a median individual particle size below about 100 μm, wherein the particulate materials comprise one or more of beneficiated kaolin and heat treated particulate materials; and a lower layer comprising at least one of soil, rocks, clay, and sand. 23. The plot of land of claim 22, wherein the upper layer comprises soil and about 2% by weight or more and about 15% by weight or less of applied calcined kaolin.24. A method of reducing pests in and on plant producing media, comprising:applying to plant producing media particulate materials having a median individual particle size below about 10 μm to a depth of at least about 1 μm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied particulate materials, and the particulate materials are selected from the group consisting of heat treated particulate materials, talc, kaolin, diatomaceous earth, aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust. 25. The method of claim 24, wherein the particulate materials are applied to a depth of at least about 3 cm to about 30 cm.26. The method of claim 24, wherein the particulate materials comprise hydrous kaolin and the pests comprise at least one selected from the group consisting of bacteria, fungus, worms, insects, arachnids, birds, rodents, deer, and rabbits.27. The method of claim 24, wherein the particulate materials are applied to plant producing media in an emulsion, the emulsion comprising the particulate materials, water, and a high boiling organic liquid.28. A method of enhancing horticultural effects of plants positioned in plant producing media, comprisingapplying to the top surface of plant producing media particulate materials having a median individual particle size below about 10 μm to form a film having a thickness of about 1 μm or more and about 5 mm or less, the particulate materials having a Block Brightness of at least about 80. 29. The method of claim 28, wherein the particulate materials are applied to the top surface of plant producing media in an emulsion, the emulsion comprising the particulate materials, water, and a high boiling organic liquid.30. A method of improving disease control of plants in plant producing media, comprising:applying to plant producing media particulate materials having a median individual particle size below about 10 μm to a depth of at least about 3 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied particulate materials, and the particulate materials are selected from the group consisting of heat treated particulate materials, talc, kaolin, diatomaceous earth, aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust. 31. The method of claim 30 , wherein the particulate materials are applied to plant producing media in an emulsion, the emulsion comprising the particulate materials, water, and a high boiling organic liquid.32. A method of increasing the size of fruit harvested from a fruit tree, comprising applying to the fruit tree having a first number of flowers an emulsion comprising water, particulate materials having a median individual particle size below about 100 μm and a high boiling organic liquid so that the fruit tree has a second number of flowers within about 2 weeks after the application, wherein the second number is at least about 25% less than the first number.33. The method of claim 32, wherein the fruit tree is selected from the group consisting of apple trees, pear treas, peach trees, plum trees, lemon trees, grapefruit trees, avocado trees, orange trees, and apricot trees.34. The method of claim 32, wherein the second number is at least about 50% less than the first number.35. The method of claim 32, wherein the high boiling organic liquid comprises a high boiling organic liquid comprising from about 9 to about 20 carbon atoms.36. The method of claim 32, wherein the particulate materials comprise at least one selected from the group consisting of calcium carbonate, talc, hydrous kaolin, calcined kaolin, bentonites, pyrophyllite, silica, feldspar, sand, quartz, chalk, limestone, precipitated calcium carbonate, diatomaceous earth and barytes, aluminum trihydrate, pyrogenic silica, titanium dioxide, carbon soot, and coal dust.
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