Depends on what is there already. Mostly containers get sterilized and then can be reinoculated, but as to the content it can end up with too much of a good thing. Black Kow says 1 part manure and 2 parts soil, and other gardners use a 1/3 rule so I guess the way I would check the existing mix is the glass jar trick with a tablespoon of detergent. You can mark the relative ratios as the water mix settles out. Another way is a screaming hot fire maybe on a charcoal grill, where organics burn away and minerals do not, you just weigh it on a gram scale before and after for the organic ratio. You need to preheat the damp sample until its dry before you take the initial weight or you will mistakenly measure water. I use the jar test. It is not that critical to be off a little.should he maybe add some fresh compost to his grow bag mix?
The best way is always your way!if he's worried about keeping the potting mix consistency right, he should add vermiculite to the compost.
"It strikes me that hydroponics and potting a plant have more in common than it might first appear. "
this probably becomes more and more true, if your re-using spent soil, over and over.
and that's probably what @Brian1985 wants to avoid.
if I was @Brian1985 I'd throw the potting mix in the compost pile and not think anything of it, and rest assured that mixing it in with all the other POOP will eventually become good soil again.
short of that... I would suggest, removing any large roots the previous plants might have left behind and added in some fresh compost and/or some weak insoluble fertilizer http://thedirtondirt.com/fertilizer-types/
that way his soil is as rich in NPK as it was before.
the best way is your way. couldn't agree more.The best way is always your way!
That why they make potting soil. I do like you and throw mine out in the yard plants. I generally try to keep disease out of my garden and pots but use the remains generally on the lawn and shrubs.
I like that idea of biochar in the product they sell on the website link you gave. I do not need such a high P here though. Plus, my front yard is about 20k feet so manure compost is cheaper and I like protein and carbohydrates in my fertilizer for various reasons. I have tried them separately but manure has both so again its cheaper and better. I broke down and bought a compost spreader so its easy to lay out a thin layer more frequently.
F1 varieties are a bit more vigorous than OPs, and one like "F1 Fandango" could be your answer.Last year I grey jalapeño peppers, cayenne peppers, and bloody butcher tomato in a grow bag. Peppers did pretty good and bloody butcher did average probably. Was just wondering if there's better varieties to grown in pots other than cherries? Not a big cherry fan and don't plant any.
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