AGRICULTURAL COVERING MATERIAL
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United States of America Patent
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Issued Date -
Jun 26, 2014
app pub date -
Aug 8, 2012
filing date -
Aug 8, 2011
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Abstract
The purpose of the present invention is to provide an agricultural covering material which has a high light transmittance so that it accelerates the growth of crops and has visual confirmation properties to the inside thereof for cultivators, which has a good growth acceleration effect due to heat retention of soil temperature, can suppress ingress of excess amounts of rainwater, has excellent evenness such as a low unevenness in strength and effective prevention of harmful insects which will fly and gather, and which has proper air-permeability. The agricultural covering material of the present invention includes a nonwoven fabric laminate having (i) a light transmittance of 80% or more, (ii) an air-permeability of 50 to 400 cm3/cm2/sec and (iii) a basis weight of 10 to 30 g/cm2.
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