What are the signs of over-fertilizing cannabis plants and what steps can be taken to prevent or remedy the situation?
One answer “How to avoid over-fertilizing cannabis plants?”
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What are the signs of over-fertilizing cannabis plants and what steps can be taken to prevent or remedy the situation?
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Over-fertilizing can be a major issue when growing cannabis plants and can result in an unhealthy crop or even the complete loss of your plants. Fortunately, there are certain signs to look out for and steps to take to prevent or address over-fertilization.
Signs of Over-Fertilizing Cannabis Plants
The most common signs of over-fertilizing cannabis plants are yellowing leaves, curling leaves, and visible damage along the edges of the leaves. In some cases, the leaves may be discolored or resemble burnt patches. Also, you may notice that the growth of stems and roots has slowed.
One of the most obvious, and important, indications of over-fertilization is a thin white or grey film that collects on the surface of your plants. This is the result of having too much fertilizer’s salt concentrate and can be seen on the surface of the leaves, stems and around the root system of your plants.
These signs are all caused by the excess salt from the over-fertilized soil, which can cause dehydration and other issues when the salt builds up.
Preventing Over-Fertilization
The best way to prevent over-fertilization is to use a fertilizer meant specifically for cannabis plants. Cannabis needs more nitrogen than other plants, and without a fertilizer that is formulated for cannabis, you may end up with an imbalance of nutrients and too much fertilizer, leading to over-fertilization.
It’s also important to get the fertilizer amounts right – too much is as bad as too little. As a general guideline, a quarter (1/4) teaspoon of fertilizer should be applied for every square foot of soil. It’s also best to err on the side of caution – using less fertilizer until you’re certain is better than risking over-fertilization.
For best results, use a liquid fertilizer and water your plants after feeding. This helps to break down and distribute the fertilizer more evenly throughout the soil.
Remedying Over-Fertilization
If you think that your cannabis plant may have already been over-fertilized, it’s important to take immediate action to save your plant.
The first step is to flush the plant with clean, low pH water. Use around one cup of clean water for every gallon of soil. This helps to flush out the excess fertilizer salts from the soil and to help the plant recover.
You should also give the plant less fertilizer and less frequently. Also, be sure to use pure water – not tap water – to water your plants and don’t over-water. This can help to reduce the salt concentration in the soil and nourish the plant without introducing additional fertilizer.
Finally, it’s important to give the plant enough air and light. Over-fertilized plants need more air and light, in order to help them to recover and to prevent further damage due to over-fertilization.
In Summary
Over-fertilization can be a serious issue for cannabis growers, and it’s important to watch for signs of over-fertilization, such as yellowing leaves, curling leaves and visible damage along the edges of the leaves. To prevent over-fertilization, be sure to use a fertilizer specifically developed for cannabis plants and to apply the correct amount. If you’re concerned that your cannabis plant may have been over-fertilized, take immediate action to flush the plant and to reduce the amount of fertilizer and light exposure for the plant. Following these steps can help to ensure that you have a healthy and successful cannabis crop.