Cannabis to remedy magnesium deficiency

Cannabis Magnesiummangel beheben

Niklas Bergmann, M.A.

Biochemiker, Fachautor

Inhaltsverzeichnis: Cannabis to remedy magnesium deficiency

Cannabis is a versatile plant that thrives under optimal conditions. A common problem that can affect growth is magnesium deficiency. In this blog post, we look at the causes, symptoms and solutions for magnesium deficiency in cannabis plants. This article is aimed at anyone who wants to deepen their growing knowledge in order to grow healthy and productive plants.

What is magnesium deficiency in cannabis?

Magnesium deficiency in cannabis plants occurs when the plant cannot absorb enough magnesium. Magnesium is an essential element for photosynthesis as it sits at the center of the chlorophyll molecule. A deficiency leads to chlorosis, where the leaves between the veins turn yellow while the veins remain green. This can significantly impair the plant's growth and lead to lower yields.

Magnesium deficiency can be caused by various factors that hinder the uptake of magnesium by the plant. It is important to be aware of these causes in order to take preventative measures and correct existing problems.

Imbalanced nutrient ratios

A common cause of magnesium deficiency is an imbalance of nutrients in the soil. Too much potassium, calcium or ammonium can block the absorption of magnesium. It is therefore important to ensure a balanced nutrient ratio to prevent such deficiencies. Regular soil testing can help to monitor the balance of nutrients and adjust it if necessary.

Incorrect pH value

The pH value of the soil plays a decisive role in nutrient uptake. A pH value that is too low or too high can significantly impair the plant's ability to absorb magnesium. The optimum pH for cannabis plants is between 6.0 and 7.0 in soil and between 5.5 and 6.5 in hydroponic systems. Regular pH measurements and adjustments are essential to keep plants in an ideal range and avoid magnesium deficiency.

Symptoms of magnesium deficiency

Magnesium deficiency in cannabis plants is often indicated by specific signs that are easy to recognize if you know what to look for. Recognizing these symptoms early on can be crucial to ensuring plant health and optimal growing conditions.

Yellowing between the veins

One of the earliest and most common symptoms of magnesium deficiency is yellowing of the leaves between the veins, also known as chlorosis. While the leaf veins remain green, the areas between them turn yellow. This effect first occurs in the older, lower leaves, as the plant tries to redirect the available magnesium to the newer leaves. Early detection of this symptom can help to treat the deficiency quickly and prevent further damage.

Brown spots and leaf curling

As magnesium deficiency progresses, brown spots can form on the leaves. These necrotic spots are caused by the death of plant cells due to the deficiency. In addition, the leaves may curl upwards or downwards, which is also a sign of serious nutrient deficiency. These symptoms are often an indication that the deficiency is advanced and immediate action is required to restore the health of the plant.

Solutions for magnesium deficiency

Once a magnesium deficiency has been diagnosed, it is important to act quickly to restore the health of cannabis plants. There are several effective methods to correct the deficiency and prevent future problems.

Check and adjust pH levels

The pH of the soil or nutrient solution plays a crucial role in the uptake of magnesium. An incorrect pH value can limit the availability of this important nutrient. The optimum pH for growing cannabis plants is between 6.0 and 7.0 in soil and between 5.5 and 6.5 in hydroponic systems. It is advisable to check the pH value regularly and adjust it if necessary. To do this, pH meters or test strips can be used to ensure that the plants are growing in an ideal range.

Use of fertilizers containing magnesium

A direct way to remedy a magnesium deficiency is to use fertilizers containing magnesium. Products such as Epsom salt (magnesium sulphate) can quickly and effectively increase the magnesium content in the soil. These fertilizers can either be applied directly to the soil or used as a foliar fertilizer to ensure rapid absorption. It is important to follow the dosing instructions exactly to avoid over-fertilization and to maintain the balance of nutrients.

Through these targeted measures, magnesium deficiencies can be effectively treated so that cannabis plants can grow and thrive healthily.

Prevention of magnesium deficiency

Preventing magnesium deficiency in cannabis plants is crucial for healthy growth and a bountiful harvest. Preventative measures can avoid many problems and keep the plants in optimal condition.

High-quality soil and balanced fertilization

One of the best ways to prevent magnesium deficiency is to use high-quality soil that is rich in organic matter and nutrients. High-quality soil usually already contains a good base of nutrients, including magnesium, which reduces the risk of deficiency. In addition, attention should be paid to balanced fertilization to ensure that the plants receive all the necessary macro- and micronutrients in the right proportions. A balanced fertilizer supports plant growth and prevents imbalances that can lead to nutrient deficiencies.

Regular checks and tests

Regular checks and tests of the soil or nutrient solution are essential to identify and correct potential problems at an early stage. Regular soil tests allow the pH value and nutrient concentration to be monitored and adjusted if necessary. This helps to keep the conditions optimal and support the plants in their development. In addition, visual inspections of the plants should be carried out for signs of deficiencies in order to be able to react quickly if problems occur.

Conclusion

Healthy growth of cannabis plants requires that they receive all the necessary nutrients in sufficient quantities. Magnesium deficiency can be a serious problem that can be effectively avoided or remedied through preventative measures and targeted treatments.

Summary of the most important points

Magnesium deficiency is often manifested by yellowing of the leaves between the veins and brown spots or leaf curling. Causes can include an imbalanced nutrient ratio or an incorrect pH value. To prevent this, care should be taken to ensure high-quality soil and balanced fertilization, and regular checks and tests should be carried out.

Tips for healthy cannabis plants

For healthy cannabis plants, it is important to regularly check and adjust the pH value and nutrient concentration. Use high-quality soil and ensure balanced fertilization to avoid nutrient deficiencies. Preventive measures and attentive care can prevent magnesium deficiencies and ensure the long-term health of the plants.


Niklas Bergmann, Fachautor

Freut euch auf die Insights von unserem Biochemiker Niklas Bergmann! Mit seinem tiefen Verständnis für alles, was mit Hanf zu tun hat, liefert er euch die neuesten und coolsten Infos direkt in euer Feed. Schnörkellos und klar verpackt er das komplexe Thema Cannabinoide und macht es für euch easy zugänglich. Mit Niklas an der Spitze unseres Wissens-Teams seid ihr immer top informiert.