If you like, dried blood, alfalfa, soybean, or cottonseed meals could be substituted. Nitrogen is unveiled rapidly from them, so it's best to attend right until spring to add it in your soil. Ten lbs of blood food materials exactly the same level of nitrogen as ten-twenty bushels of manure https://sociallytraffic.com/story2725403/the-2-minute-rule-for-soil-and-tillage-research