Yesterday we added chicken manure to every vine.
Outside of spraying an Organic Sulfur compound for powdery mildew, this all I add to the vineyard.
My dad drives the tractor while I shovel.
htt...
I have had luck using milk against powdery mildew. i let some sit overnight & sour, add equal amount of filtered or pond water . I spray on the leaves & soak the soil around the "infected" plant. takes a few applications. then again occasionally prophylacticly.
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