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Softwoods?

J

JackTheGrower

It's best to compost first! There are complex carbons and simple carbons. Cellulose ( wood ) are complex carbons and require more involved biological efforts to become available.

I do use pine shavings like one buys for pet bedding or in large bales in feed stores/farm supply as a long term source of carbon.

So yes.. I don't recommend ceder for cannabis myself but I assume it can be used.

Spruce I read is okay.. But please do Google the composting of the wood you are wanting to use.
Fungus is what works on wood more so than bacteria. BTW Cannabis stalk is excellent too.. I take and cut up in small pieces and mix into the soil here.

So have a look at composting these wood materials.
 

jaykush

dirty black hands
ICMag Donor
Veteran
i prefer the woods from deciduous trees over evergreens when using them in soil, specially cedar because its allelopathic properties.
 

delerious

Active member
i prefer the woods from deciduous trees over evergreens when using them in soil, specially cedar because its allelopathic properties.

Do you use the smaller stuff? I wasn't too crazy about using the big chunks (in pots) because it takes them too long to break down. There's a landscaper around that has some nice looking mulch, but I'll have to see what the ingredients are (I believe it's composted wood and manure at least).
 

jaykush

dirty black hands
ICMag Donor
Veteran
oh i never add them fresh, they go through a fungal compost pit long before they touch my garden.
 

quadracer

Active member
Yeah, I try to stay away from cedar and other woods that are resistant to decay (redwood being another).

That being said, redwood sawdust is very plentiful and I have been mixing it in with the chicken bedding and coup, which has been very helpful in cutting down the smell and absorbing the manure. It will all be composted and I'm interested to see how the redwood breaks down.

But adding woodchips or something like chainsaw dust will definitely encourage lots on fungal growth. It's something I would do outdoors, but not necessarily indoors. Also mulching is a very common practice with wood chips, but sawdust mixed in the root zone can rob a plant of nitrogen and kill it. Wood chips, done right, is a great and wonderful addition to any organic garden.
 

big ballin 88

Biology over Chemistry
Veteran
I use pine shaving and love it. I use it at around 70% as they have great moisture holding properties. Just make sure it's aged and screened first. i wouldnt use any wood but pine has been working great for me.
 
J

JackTheGrower

I use pine shaving and love it. I use it at around 70% as they have great moisture holding properties. Just make sure it's aged and screened first. i wouldn't use any wood but pine has been working great for me.

Thanks.. I felt like the lone ranger on pine shavings.

It does need time and do compost/age it. I have not used it directly in a soil mix without it being composted first. I think there could be nitrogen issues if it's used without being composted.

But long term carbon? Yes.. It seems to be and it ages / looks nice.

Once we have a goodly volume of "soil" we don't need to add complex carbons but the pine is a cheep and effective foundation I use.

Don't forget the N!
 
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