What is the appropriate application rate for potassium dihydrogen phosphate when applied via irrigation?

Potassium dihydrogen phosphate is a phosphorus-potassium compound fertilizer, widely suitable for various types of cash crops, grain crops, melons and fruits, vegetables, etc. So what is the application rate of potassium dihydrogen phosphate when applied via irrigation?

1. What is potassium dihydrogen phosphate used for?

Potassium dihydrogen phosphate is a chemical compound, used in agriculture as a high-efficiency phosphorus-potassium compound fertilizer. Potassium dihydrogen phosphate has many excellent effects, such as significantly increasing yield and income, improving and optimizing quality, resisting lodging, resisting pests and diseases, and preventing premature aging, and it also has the effect of overcoming nutrient deficiency caused by the decline in root absorption capacity due to root aging in the late growth stage of crops.

Potassium dihydrogen phosphate is a new type of high-concentration phosphorus-potassium binary compound fertilizer, containing about 52% phosphorus pentoxide and about 34% dipotassium oxide. Flue-cured tobacco requires large amounts of phosphorus and potassium, especially potassium. Potassium dihydrogen phosphate is a relatively ideal new fertilizer for flue-cured tobacco.

2. Application rate of potassium dihydrogen phosphate when applied via irrigation

The concentration of potassium dihydrogen phosphate for irrigation application is 0.1%-0.3%, that is, 15-45g of potassium dihydrogen phosphate diluted in 15kg of water, with 30-50kg of solution sprayed per mu each time, at an interval of 10-15 days, and 2-3 sprays are appropriate.

3. Dosage for other uses of potassium dihydrogen phosphate

1. Foliar spraying

Dilute 1g of potassium dihydrogen phosphate in 300-400g of water, stir evenly, and spray onto the plant leaves. The interval of use is once every 10 days.

When spraying, one pass is enough; there is no need to spray back and forth. If the plant is in its flowering period, potassium dihydrogen phosphate must not be used.

2. Field crops

Dilute 10g of potassium dihydrogen phosphate in 7-9 jin of water, stir evenly, and pour it onto the crops. Generally once every 20 days.

When using potassium dihydrogen phosphate, be sure to wait until the potassium dihydrogen phosphate is fully dissolved before use.