Therefore the question is, how much nutrition do you provide a cannabis plan so it is and remains healthy? Plagron comes with a clear, simple advice: provide nutrition every time you water. The advice applies to both the growth and the flowering phase of the cannabis plant. This ensures your plant gradually receives nutrition, while it will consume it to get tall and strong. The amount of nutrition is always stated on the packaging. Royal Queen Seeds advises to mix 50 to 100 grams of Vertafort organic nutrition with gradual release with 20 liters of earth.
A calcium deficiency can be recognized as follows:
Nutrition for cannabis plants is available in small ‘edible’ chunks. These chunks contain the other fourteen elements a cannabis plant needs. This allows the plant to create luscious buds for tasty cannabis with THC, CBD and terpenes. These fourteen elements can be divided into three categories:
It is now clear which nutrients a cannabis plant actually needs, so we will continue to discuss what happens when a cannabis plant experiences shortages. The most common leaf problems can be divided in responses to shortages in the area of primary nutrients, secondary nutrients and trace elements.
Symptoms of a phosphorus deficiency are (chronological order):
The leaf problems of sulfur deficiencies are also clearly distinguishable. The symptoms:
Your cannabis plant has rusty or burnt edges and yellow to orange leaves full of dark spots? This is clear indication of a potassium deficiency. Another striking element with a potassium deficiency is the fact cannabis plant grows strangely. The cannabis plant gets ramifications in places where it shouldn’t. It looks like a genetic abnormality.
Symptoms of nitrogen deficiency are (chronological order):
- Older weed leaves turn pale.
- The ends of the leaves turn rusty and look burnt.
- The stem of the cannabis plant gets weak, thin and brittle.
- The amount of branches may increase.
- Flowering decreases and the cannabis plant looks deformed.
Cannabis plants are sensitive. Which leaf problems belongs to which nutritional deficiency? Read here about the most common leaf problems.