If you prefer, dried blood, alfalfa, soybean, or cottonseed foods is often substituted. Nitrogen is released rapidly from them, so it is best to wait right until spring to add it to the soil. 10 lbs of blood meal supplies exactly the same number of nitrogen as 10-20 bushels of https://landena3eb2.worldblogged.com/35203798/the-best-side-of-soil-acidification