Nov 30, 2023 · Dried sheep manure is 4% nitrogen, 1.4% phosphorus, and 3.5% potassium, so we’d need only 10 pounds per 100 square feet. Fresh chicken manure, sometimes called hen dressing, is 25-45% organic matter, has 1.1% nitrogen, .8% phosphorus, and .5% potassium, and is 55-75% moisture.
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