The Difference Between Bulk Blending Fertilizer and Compound Fertilizer
What is the difference between bulk blending fertilizer and compound fertilizer of chemical fertilizer?
BB fertilizer, its English and full name is Bulk blending 
fertilizer. It is a kind of compound fertilizer which composed by variety of granular simple fertilizers/compound fertilizers with certain proportion.
Compound fertilizer is a kind of compound blending fertilizer made by chemical method and it shows at least two of three nutrients of nitrogen, phosphorus or potassium.
Compound fertilizer with the advantages of high nutrient content, low side components and prior physical properties plays an important role in the area of balancing fertilization, improving fertilizer utilization and promoting high and stable yield of crops. Of course, there also are some disadvantages of it. For example, the nutrients proportion of compound fertilizer always is fixed while different soil or crops have different need about the species, quantity and proportion of nutrient element. Therefore, in order to get better effect, users not only need to do soil testing or to learn about the nutrient status and texture of field soil before using it but also should pay much attention to use it cooperate with simple fertilizer.
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