If you prefer, dried blood, alfalfa, soybean, or cottonseed meals can be substituted. Nitrogen is introduced quickly from them, so it's best to wait right until spring to incorporate it towards your soil. Ten lbs . of blood meal provides a similar degree of nitrogen as ten-twenty bushels of manure https://louisp9uq7.blogs100.com/29782613/top-latest-five-soil-amendments-urban-news