Which crops is potassium nitrate suitable for? How to use potassium nitrate and matters needing attention

Potassium nitrate can provide nutrients for crops under any conditions, and can be applied to crops in all seasons without causing accumulation of salts in the soil.

Potassium nitrate is suitable for and how to use it:

1. Apple: 10-15 kg once in the later stage, with two flushes.

2. Grapes: Use 5kg for one-third of the color change of the grapes, once, to promote redness.

3. Watermelon, muskmelon, wax gourd, etc.: 4-6 kg once in the later stage, or 2-3 kg twice.

4. Banana: 5 kg once during the fruiting period, 3-4 times.

5. Beans, eggplants, peppers, tomatoes and other fruits and vegetables: 3-5 kg, once every two weeks.

6. Potatoes, sweet potatoes, etc.: 5-10 kg in the later stage, once.

Precautions when using potassium nitrate

1. Potassium nitrate contains nitrate nitrogen, so it is not recommended to use it in the later stage of fruit coloring, otherwise it will easily turn green.

2. Potassium nitrate is not suitable for use in paddy fields, and it is not suitable for use in the rainy season.

3. Potassium nitrate is a strong oxidant, so it must be kept away from heat sources and flammable items during storage to prevent fires.