PLANT GROWTH SUBSTRATES
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
Dec 21, 2012
filing date -
Dec 22, 2011
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Abstract
A man-made vitreous fibre (MMVF) plant growth substrate is provided. The substrate has properties including a volume of 3 to 20 litres, two layers of differing density, and the use of a hydrophilic binding system. This is found to provide a substrate which allows excellent control of the water and/or nutrient contents within the substrate when used for plant growth.
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