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What are the contraindications when using potassium fulvate

January 05, 2021

Potassium fulvic acid also called fulvic acid or potassium fulvate is one of the most popular fertilizers in recent years! It has a very wide range of applications, including water-soluble fertilizers, biological bacterial fertilizers, compound fertilizers, and even some pesticides also contain potassium fulvic acid. However, recently some customers reported that they have used potassium fulvic acid for two consecutive years. There are still too many dead seedlings and rotten roots in the ground!

Potassium fulvic acid has no effect. What is going on?

What are the contraindications when using potassium fulvate


1. When using potassium fulvic acid, you must pay attention to the secondary dilution. Direct flushing will cause burning with root phenomenon, the seedlings will become small and weak.

2. In addition, use potassium fulvic acid as soon as possible after adjusting it, and not under high temperature, strong sunlight or rain days, otherwise it will weaken its effect.

3. If it rains less than 1 day after spraying potassium fulvic acid, it needs to be reused. do not use too much.

4. The used soil has deteriorated severely, and there are many problems such as salinization and disease accumulation. None of them a healthy soil environment.


Maybe you buy fake potassium fulvate.

There are often various kinds of potassium fulvic acid in the market. There are fakes! So, if the potassium fulvic acid you use is not useful, it is probably a fake.

But how to distinguish the true and false of potassium fulvic acid? Four steps: one look, two smells, three touches and four detections.

1. Look at the color

High-quality potassium fulvic acid is usually ebony black. If the color is too bright, it may be that dye or other ingredients have been added.


Potassium fulvic acid generally has no other peculiar smell. If it has a strong sour or ammonia smell, it can be judged as a fake.

3. touches

Potassium fulvic acid has a relatively strong penetrating ability, and it will stick to your hands easily.

2.Measure solubility

Pour humic and fulvic acid into water, some of it will dissolve and turn brown. If the color is too dark or dissolve like mushrooms, it may be a poor quality product.