Gelbfärbung von Oben
Smok86ytstarted grow question 3y ago
Hello, I'm an absolute newbie in this field, but I've actually read up well on the art of growing. One of my 5 plants is still worrying me, it's getting yellower from the top... It's being treated exactly like all the other plants...
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Meksteranswered grow question 3y ago
Could it be a nitrogen deficiency? Are they all the same strain?
Sciolistic_Steveanswered grow question 3y ago
looks like a sulfer deficiency. iron deficiency is also possible, but trace element issues are rare in soil and more often related to ph or nute lockout.
if you've bombed it with calcium, that can lock out Fe. Too high phosphorous can also do it.
the way it is progressing, it looks like you need a bit more S, though. yellowing top-down and from petiole out on leaf. it's a fairly unique progression.
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