Iron deficiency is a consequence of not enough supply of iron to the plant. Iron excess is also a problem, but we’ll be focusing on the one mentioned in the title. These two conditions are visually expressed in different ways. The major thing to look out for is the change in colour to yellow of your plant’s leaves. This will happen mostly with younger, inner leaves. Iron nutrient deficiency can appear very similar to a magnesium shortage. The key difference is that while iron deficiency will affect new leaves, the magnesium shortage affects older and lower ones. These leaves might even turn white. Most often you will see symptoms toward the top of the newer foliage. With this specific deficiency, affected parts of the plant have the ability to eventually return to their healthy colour. In most nutrient deficiencies, yellow leaves won’t really turn green every again.
One way you might stimulate lock-out conditions is by over watering your plant and/or not draining it properly. This will keep the roots under a lot of stress and prevent them from collecting the iron you want. Younger roots absorb the iron much better than older ones. Having a clear and cared root system is necessary to get an effective uptake.
An iron deficiency is usually caused by problems with pH, though sometimes it can be triggered by a stressful environment. If it’s the latter, it may clear up on its own after the period of stress is over. Make sure you’re doing everything correctly and that you’re not giving your plant too much of anything.
Just like you and I, all living things need a very specific set of conditions to survive. But survival is not the only factor to take into account when growing cannabis. If you want good quality buds don’t expect to only water your plant every day and collect the yield when it’s done. This is so important that we’re writing an article on just one minuscule problem in the marijuana growing process: Iron Deficiency.
Nutrition is an extremely important step that should not be overlooked. Within the plant’s nutrients are the essential minerals that keep your plant healthy. Iron plays an important role during photosynthesis, contributing for both pigmentation and leaf respiration of your plant. It is also a key element in triggering the formation of chlorophyll, as enzymes require it to function properly. It’s particularly vital for younger, still growing tissues in marijuana.
If everything goes well, after a week or so, you’ll start to see a difference. Old leaves might not fully recover. These might keep their yellowish or already white colour; they’ll eventually fall out as they’re probably dead. Watch for the newly born ones. If these appear to be growing healthy, you’ve solved the problem.
Published : Aug 9, 2017
Categories : Cannabis cultivation
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Find out how to cure and prevent iron deficiency in your cannabis plant, a problem that is too often overlooked and can kill your crop.