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Nitrogen toxicity??

UncleRemus
UncleRemusstarted grow question 5 years ago
Does this look like nitrogen toxicity to you guys? I have fed them only a little fish mix but I added some humus (worm castings) to soil when they got re potted and maybe too much? There’s no claw but the plant is dark green and tips are starting to go. I have flushed any ideas??
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Week 5
Leaves. Tips - Burnt
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Med_in_Tropic
Med_in_Tropicanswered grow question 5 years ago
Looks like she needs other nutes. Worm casting and fish mixes has plenty of secondary nutrients. Lacking a bit in potassium but it is okay at vegging stage. Could be a lock out of K, Calcium, and magnesium. Adjust you pH up and you should be okay. Feed cal mag or lime solution to the soil, and you pH will goes up. Goes easy. Takes a couple of days before pH to go up. Quick fix woulb be spraying with one thrid strength of cal mag.
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MadeInGermany
MadeInGermanyanswered grow question 5 years ago
How much is your Ph and Ec worth? what is your watering behavior? the humidity must be significantly higher ;-)
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ijustdontgiveaf
ijustdontgiveafanswered grow question 5 years ago
Hi there.. this looks like interveinal chlorosis of the leaves (it turns yellow, but the veins stay green). This usually isn't the case with normal nitrogen deficiencies, but is more of a magnesium, manganese, molybdenum or iron deficiency symptom. If iron deficiency, then the young leaves would show it from the stem outwards, but here it looks like all have it from the outside inwards, so would rule out iron. A magnesium deficiency often goes paired with rusty spots, so my best guess would be manganese. happy growing!
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Fusion
Fusionanswered grow question 5 years ago
Id say root damage when repotting. Should fix herself within few days. Just watch that don't get worse.
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