Potassium nitrate is suitable for and how to use it

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.