Worm castings are classified as the digested “soil” produced by worm farming or vermicomposting. They supply some macronutrients for leaf advancement; in this case, its NPK ratio is 1-0-0. But they also incorporate micronutrients and effective microbes, and increase drainage and soil composition. They're a significant part of organic farming, https://www.facebook.com/bluedeebajfzc