Bark and wood fiber growing medium
First Claim
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1. A growing medium comprising:
- about 5 to about 95 weight % fibrous tree bark, based on the total weight of the growing medium; and
about 5 to about 95 weight % fibrous wood components, based on the total weight of the growing medium,wherein the growing medium has a dry bulk density of about 48 kg/m3 or lower and wet bulk density of about 120 kg/m3 or lower.
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Abstract
A method for making a growing medium includes a step of combining tree bark and/or wood components together to form an initial composition; heating the initial composition to a temperature greater than about 149° C. under steam in a pressurized vessel; processing the initial composition through a refiner with a plurality of opposing disks to obtain the fibrous growing medium, the refiner separating fibers from each other; wherein the growing medium has total porosity of 88 volume % or more.
96 Citations
24 Claims
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1. A growing medium comprising:
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about 5 to about 95 weight % fibrous tree bark, based on the total weight of the growing medium; and about 5 to about 95 weight % fibrous wood components, based on the total weight of the growing medium, wherein the growing medium has a dry bulk density of about 48 kg/m3 or lower and wet bulk density of about 120 kg/m3 or lower. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A growing mix composition comprising:
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about 40 to 85 weight % growing medium including fibrous tree bark and fibrous wood components; and about 15 to 60 weight % peat, wherein the growing medium has total porosity of 88 volume % or more. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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21. A growing medium comprising:
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about 100 weight % fibrous pine wood components, wherein the growing medium has a dry bulk density of 12.01 to 20.02 kg/m3 and wet bulk density of about 120 kg/m3 or lower. - View Dependent Claims (22, 23, 24)
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Specification