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I'm an organic greenhouse grower and I realize fungus can be a good thing, however I have this brown stuff on top of my soil that "poofs" when you...
I recently talked to a gentleman who visited an Amish greenhouse. He mentioned they were pouring vinegar (by the jugs) into the water supply to...
Can I substitute something (maybe vinegar) instead of sulfuric acid to help iron uptake in my plants? I would rather not use something as harsh as...