What compound fertilizer is used to grow peanuts?

Fertilization of peanuts. Use NPK (15 ~15 ~15) potassium sulfate compound fertilizer 30~40 kg per mu as base fertilizer. When there are 2~3 real leaves, apply 8~ 10 kg urea per mu to promote seedlings. Before flowering, apply N, P and K (15~ 15~ 15) potassium sulfate or 25 ~ 30kg nitro-sulfur or pure sulfur-based compound fertilizer plus10 ~/5 kg potassium sulfate per mu to promote pod growth.