Steamed Bone meal is a good source of Phosphorus (P) and marijuana loves extra P but there is down side too. This my be helpful to you

http://boards.cannabis.com/showthread.php?t=24232
Zandor Reviewed by Zandor on . Blood meal and Bone meal :p My hubby brought me some blood meal and bone meal from lowe's and i'm just wondering if someone can tell me if this stuff actually works with my plants ? and i also have some Black Kow Manure so i wondering if this stuff is anygood ? :confused: Rating: 5