I belong to a different group of gardeners who believe that soil already has all NPK plant needs and as long as soil has biology able to mine it out and deliver to plants all is kosher. So all this NPK talk goes out of the window with my way of thinking. And that is where compost teas and compost extracts to be precise come in as well as kelp/ comfrey teas.
Thing is with my foliar application of 1 tsp of kelp per 1000 sq ft I am not providing NPK, but like with well prepared dishes I am adding that pinch of salt that changes bland dish to delight.
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