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Mangel?
nuts1started grow question a year ago
Was hat meine Dame?
Es begann mit einem Magnesiummangel und mittlerweile wird es immer schlimmer. Könnte das Kaliummangel sein?
Bisher habe ich ihr ein wenig BioBizz Calmag gegeben...
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Leaves. Other
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Stacy_Rhectanswered grow question a year ago
If this is a nutrient deficiency, chances are it's NOT a magnesium deficiency. Why? The symptoms are showing at the top of the plant. Plants use mobile and immobile nutrients. Magnesium is a mobile nutrient meaning, if there is a deficiency, the plant will move that nutrient to new growth and old growth will be deprived of the nutrient. In other words, magnesium deficiency will begin to show at the lower part of the plant. If this is a deficiency, check the following immobile nutrients: Calcium (Ca), Sulphur (S), Boron (B), Copper (Cu), Iron (Fe), Manganese (Mg), Zinc (Zn). Since these nutrients are immobile, deficiencies appear at the top (newer growth). This could be a lighting problem. Is your light too close to the plant? Obviously, you are in flowering stage. If you are NOT running CO2 keep your light intensity at the canopy around 925 ppfd which would give the plant a DLI (daily light integral) of 40 based on a 12/12 light cycle. Peace!
Tommy716answered grow question a year ago
So yes you're on the right track. It obviously can be nutrient deficiencies. If that's the case, I typically would flush. And then readjust check your soil pH.
Possibly Fusarium wilt is another soil-borne pathogen that likes cannabis plants a bit too much. It nestles into the stems' xylem, preventing them from being able to move nutrients through their sap.
Is also a possibility. Anytime I have any issues that I'm not able to fix anytimely fashion. I flush thoroughly and then adjust from there. Occasionally some fruit soap that's organic can be very helpful when all else fails. Just my two cents.
Happy farming family
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