the integrity of the crop. b) for mushrooms grown in soil, prohibited substances shall not have been used for at least months before the harvest of an organic crop. c) for new installations or replacement purposes, lumber treated with prohibited substances shall not be used in structures, containers...
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from hardwood material and usually produces far less ash than briquettes. briquettes are made by compressing charcoal, typically made from sawdust and other wood by-products, with a binder and other additives. the binder is usually starch . some briquettes may also include brown coal (heat source), mineral...
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