BIODEGRADABLE GRASS-PROOFING SHEET

PROBLEM TO BE SOLVED: To prepare a nature-friendly grass-proofing sheet having sufficient grass-proofing effect on strong weeds having strong budding force and thick stem diameter, e.g. Imperata cylindrica, Phragmites communis and Solidago altissima L., capable of exhibiting a prescribed grass-proof...

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description PROBLEM TO BE SOLVED: To prepare a nature-friendly grass-proofing sheet having sufficient grass-proofing effect on strong weeds having strong budding force and thick stem diameter, e.g. Imperata cylindrica, Phragmites communis and Solidago altissima L., capable of exhibiting a prescribed grass-proofing effect without inhibiting growth of trees because of adequate water-permeable effect and capable of carrying out reclamation treatment, because grass-proofing sheet already used has biodegradability when land is re-utilized after using the sheet. SOLUTION: In the biodegradable grass-proofing sheet, penetration resistance to weed by a shaft made of iron having 8.4 mm shaft diameter, 3 cm shaft length and 45 degree breakage angle of shaft and assuming grown Phragmites communis weed satisfies the formula 0.1X+5≥Y≥0.1X-8 (wherein X is a weight of nonwoven fabric and satisfies ≥100 and ≤300; Y represents penetration resistance). COPYRIGHT: (C)2005,JPO&NCIPI
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SOLUTION: In the biodegradable grass-proofing sheet, penetration resistance to weed by a shaft made of iron having 8.4 mm shaft diameter, 3 cm shaft length and 45 degree breakage angle of shaft and assuming grown Phragmites communis weed satisfies the formula 0.1X+5≥Y≥0.1X-8 (wherein X is a weight of nonwoven fabric and satisfies ≥100 and ≤300; Y represents penetration resistance). 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SOLUTION: In the biodegradable grass-proofing sheet, penetration resistance to weed by a shaft made of iron having 8.4 mm shaft diameter, 3 cm shaft length and 45 degree breakage angle of shaft and assuming grown Phragmites communis weed satisfies the formula 0.1X+5≥Y≥0.1X-8 (wherein X is a weight of nonwoven fabric and satisfies ≥100 and ≤300; Y represents penetration resistance). COPYRIGHT: (C)2005,JPO&amp;NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects AGRICULTURE
ANIMAL HUSBANDRY
APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS
CATCHING, TRAPPING OR SCARING OF ANIMALS
CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPSOR SEAWEED
FISHING
FORESTRY
HORTICULTURE
HUMAN NECESSITIES
HUNTING
TRAPPING
WATERING
title BIODEGRADABLE GRASS-PROOFING SHEET
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