Sunn hemp is a tropical legume whose claim to fame is that 60 days from planting it is typically over 6 feet tall, adds 100 pounds of Nitrogen, translocates from the subsoil to the topsoil 10 pounds of residual Phosphorus and 80 pounds of residual Potash, supplies 4 tons of organic matter, suppresses rootknot and reniform nematodes, greatly suppresses weeds, is a great soil builder, increases drought tolerance and yield and cash value of the next crop. The leaves of sunn hemp are 30 % protein. Both goats and deer thrive on this crop. There are millions of acres of this crop grown in other countries. Brazil calls it their number one soil builder. Sunn hemp, being a tropical plant, grows only in the summer here. Brazil's second soil builder is the "Forage Radish". There are over 350,000 acres of the forage-tillage radish in Brazil. Sunn hemp is originally from India and has been grown since the dawn of agriculture. It has been grown as a green manure, livestock feed for forage, hay, and for non-wood fiber. It is also excellent for deer and goats.