Nature Safe’s 13-0-0 All Natural Fertilizer is a high nitrogen product derived from feather meal, meat meal, and blood meal. Nitrogen will slow release over 8 to 10 weeks, which provides your crops with nutrients needed to thrive. This product is designed to expand the organic fertility options to turf managers, landscape operators, and organic farmers alike. This product can be blended with other fertilizer ingredients in order to customize a formulation to meet the varied needs of the customer or as a stand alone fertility product in areas where phosphorus and potassium are not needed. Nature Safe provides tremendous food energy to stimulate soil microbial populations and allow for efficient nutrient uptake to the plant. Nature Safe 13-0-0 Blending Base Fertilizer is OMRI listed and allowed under NOP guidelines validating its use in the production of organic certified crops.