Tag Archives: cannabis growing nutrients

Organic Fertilizers/Additives For Marijuana Nutrients Here is a list of organic nutrients that you can use in your garden: Alfalfa Meal – contains 2.5 % nitrogen, 5% phosphorus and about 2% potash, a slow-release fertilizer. Blood and Bone Meal – great fertilizer, though can transport Mad Cow disease and other diseases. Blood (Dried or Meal)