1 catty amino acid foliar fertilizer powder needs to add about 20 catty water. It is necessary to spray the original amino acid powder on the leaf surface according to the proportion of 0.3%, and the main dosage of irrigation and fertilization is about 5-20%.
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The specific method is to first add fertilizer to a small bucket, and then stir while adding water, resulting in full dissolution, and then add water to a large bucket to stir again, it should be noted that it is best to choose tap water, less impurities, and improve the solubility of water-soluble fertilizer.
Spraying time: in the morning or evening, avoid spraying when the sun is strong, the concentration is 1:1000~1:2000.
Spray concentration: According to crop variety, growth stage and growth environment and other factors to determine, 0.5 to 1.0 liters per mu.
The amount of spraying: according to the size of the crop, density and growth state and other factors to determine, spray every 7 to 10 days.