Total nitrogen, phosphorus content] total nitrogen:
Usage and dosage
Flood irrigation:It can be used from seedling stage to early fruit stage by 45-75kg/ hectare, applied once every 15-20 days. It can be used continuously for malnourished crops.
Drip irrigation:15-30kg/hectare is recommended in the seedling stage, 30-60kg/ hectare is recommended in the initial fruit stage, once every 7-10 days, and the fertilizer concentration is 500-800 times.
Foliar spraying: 0.1% - 0.2%, water dilution ratio 500-1000 times. After the fertilizer is diluted with water, it can be directly sprayed on both sides of crops leaves.