BB Fertilizer is short for Bulk Blended NPK compound fertilizer. BB fertilizer, which is a compound fertilizer that is mixed with a single fertilizer or compound fertilizer by a certain proportion. The total nutrient can be produced according to the buyer's requests, which can meet the needs of crop growth and nutrition, improve the quality of crop products, and increase the income and other characteristics. The BB fertilizer character is like follows: granule uniformity, low moisture, moderate granule intensity, no agglomeration, easy to use and low cost.