Cash crops refer to crops with strict selection of natural conditions, complex technical requirements, and high economic value of products. They are mainly used as industrial raw materials, so they are

also called "technical crops" or industrial raw crops. There are many types of cash crops, including cotton, oilseeds, hemp, mulberry silk, tea, sugar, vegetables, tobacco, fruits, and medicinal materials.

NPK compound fertilizer formula suitable for cash crops:

Tea leaves, tobacco leaves (crops with leaves as commodities):
NPK 15-15-15, NPK 14-16-15 (spraying process), NPK 26-5-7 (high tower sulfur base)

Fruit trees, tuber crops: (Various commercial crops such as fruits, strawberries, blueberries, potatoes, sweet potatoes, yam, pumpkin, garlic, onion, sugar cane)
NPK 15-15-15, NPK 14-16-15, NPK 15-8-20 (spraying process), NPK 22-6-18, NPK 21-6-13, NPK 19-5-21, NPK 17-6-23, NPK 18-12 -18,NPK 17-5-26,NPK 17-17-17,NPK 17-5-26 (high tower thio group)

Soybean, sesame, cocoa and other low-yield crops are generally selected: balanced potassium sulfate such as: spray spray NPK 14-16-15, NPK 15-15-15. Ammonia potassium sulfate: NPK 17-17-17

Field crops refer to crops grown on large fields, such as wheat, rice, sorghum, com, cotton, and pasture.

The following is a NPK compound fertilizer formula for field crops:

Corn:  NPK 30-5-5 /NPK 28-6-6,NPK 25-10-5,NPK 25-10-16,NPK 27-14-9 (high tower technology)
          NPK  28-6-8 (Rotating drum humic acid process)

          The crop is suitable for high nitrogen, low phosphorus and low potassium formula

Wheat: NPK 25-13-7,NPK 25-14-6,NPK 25-17-9,NPK 27-17-7,NPK 27-14-9 (high tower technology)
             NPK 24-15-8,NPK 18-12-10,NPK 18-18-18,NPK 23-20-7,NPK 21-14-7 (drum humic acid process)

             This crop is suitable for high nitrogen and high phosphorus formula
             NPK 15-15-15,NPK 16-16-16,NPK 17-17-17,NPK 18-18-18 (ammonia process)
             If balanced chlorine is used, supplement nitrogen

Rice: NPK 25-10-16,NPK 25-10-18,NPK 24-6-10,NPK 24-6-16 (high tower technology)
         NPK18-12-10,NPK 20-13-10,NPK 18-18-18 (rotating drum humic acid process)
         NPK 15-15-15,NPK 16-16-16,NPK 17-17-17,NPK 18-18-18,NPK 22-8-10 (ammonification process)

         Rice planting fertilizers generally use a formula with potassium content of about 10, nitrogen The content is controlled about 20, and the nitrogen in the formula is not enough to

         supplement nitrogen.

Rape: NPK 30-5-5 /NPK 28-6-6, NPK 25-10-5,NPK 25-10-16, (high tower craft)
          NPK 18-6-6,NPK 15-6-9,NPK 15-15-15 (drum technology)

Peanut: NPK 14-16-15, NPK 15-15-15 (spraying process)
              NPK 18-12-10, NPK 20-13-10, NPK 18-18-18 (rotating drum humic acid process)