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Posted on what are some uses for sawdust??

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WDHLT15

1140 posts in 1141 days


#1 posted 04-22-2013 12:49 PM

Because of the high carbon to nitrogen ratio of sawdust, It will not breakdown without supplemental nitrogen. If you mix it in the soil, the bacteria that breaks it down will steal the nitrogen from the soil, and your plants will be nitrogen deficient and turn yellow. You have to add nitrogen to the sawdust for it to breakdown, then it will be good to add to the soil. You could put it in a pile, mix in nitrogen fertilizer (Miracle Grow is high in nitrogen), and let it decompose before adding it the the soil. Be aware that the heat from the decomposition process of sawdust in a large pile could cause spontaneous combustion, and the pile could catch on fire. Very large sawdust piles can smolder for months.

I make a lot of sawdust with my sawmill. I add it as a topcover mulch in places where I do not want grass or weeds to grow. It retards weeds and grass, and works fine for that purpose as long as you leave it on top of the soil and do not mix it in the soil. Works good around trees and shrubs. Throw on a handful of high nitrogen fertilizer.

-- Danny Located in Perry, GA. Forester. Wood-Mizer LT15 Sawmill. Nyle L53 Dehumidification Kiln


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