| Abstract |
: |
The invention discloses a formula (the total nutrient of nitrogen, phosphorus and potassium of 41%) of a special mango formula fertilizer. The formula is characterized in that various fertilizer resources are selected according to production requirements, a bulk blending treatment is performed, and a packaging in bags treatment is performed; during the production preparation process, each combination unit (1000 catties) comprises 390-410 catties of urea, 190-210 catties of calcium superphosphate, 90-110 catties of calcium magnesium phosphorus, and 2 |