stewartr IL wrote:50 hens/acre will generate an estimated 2.5 tons of manure/acre. They produce approximately: 106 lb. N, 30 lb. P, 61 lb. K
Quoting from: "Mixing Free-Range Hens and Ruminants on Pasture", Robert Plamondon- Norton Creek Farm. March 8, 2000 (Revised June 4, 2001)
I would think that liming would be required if you went much higher than this.