If you favor, dried blood, alfalfa, soybean, or cottonseed foods is often substituted. Nitrogen is released rapidly from them, so it is best to attend until spring to incorporate it to the soil. 10 kilos of blood meal provides a similar quantity of nitrogen as 10-20 bushels of manure but https://conkey-s-bakery-4994714.blogkoo.com/the-ultimate-guide-to-soil-amendments-48960507