Carbon?

Would adding any crushed charcoals be beneficial to an organic grow?

Using 10 gal. grow bags, and going no till.

Absolutely! I use bone char and wood ash char. Healthy amounts of carbon in your mix is key for building massive microbe pop. in your bags. Smaller the better for particle size. try it. That is what they are made of. Wood base char is going to borrow your N so you will need to add fish IMO.
Great source of calcium too.
http://serc.carleton.edu/eslabs/carbon/5a.html

just make sure it is whole chunk wood charcoal, and not briquette bullshit! you need to charge it with a tea, or in your compost pile first.

i didnt charge mine last time and have a really strong amount of nitrogen evident. i guess it would depend on how much is in your mix. i used 2 gal biochar into 10 gall soil. ive used a third total volume in seed starting and a quarter total volume in adults container plants with compost and vermicastings and sand. just no compost in the seed starter. it was cheep in the area cuz everyone grew rice and sold off the hulls which we then would carbonize. not really cost effective in the states tho.

biochar - that's the word I was looking for. currently watching;

Are you growing in plastic grow bags? I would be a little weary those bags have a tendency to go anaerobic. I would go with smart pots.

They're not the "smart pot" brand, but they are fabric grow bags. The one's I got were a third the price of smart pots. They're still being shipped...

blunt_tip said:

They're not the "smart pot" brand, but they are fabric grow bags. The one's I got were a third the price of smart pots. They're still being shipped...

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A fabric pot any other name drains just as well I'm sure! I just hear grow bags and instantly picture those plastic death traps l

Yeah, I had access to large 15 gallon hard plastic tubs, but when I read about the fabric bags auto pruning the roots, and that they would not build up against the inside walls of the container, I was sold on the idea.

I might even sew my next bags myself out of some geotextile fabric...

blunt_tip said:

Yeah, I had access to large 15 gallon hard plastic tubs, but when I read about the fabric bags auto pruning the roots, and that they would not build up against the inside walls of the container, I was sold on the idea.

I might even sew my next bags myself out of some geotextile fabric...

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There's a thread somewhere on here where a fella had used a laundry basket and some geotextile fabric to make his own pots! And there's definitely a few how to guides on how to put your own together!