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Old 11-03-2007, 12:11 PM
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Default yelowing lower leaves
hi this is my second grow the bottom 1/4 of my plants leave have all gone yellow and started to fall off i am not too worried as my tops are looking goooood i know a fewfan leaves will die and fall off but its seems like alot my ph, temps and hummidity are fine is it maybe because the light isnt penetrating that far down i have about 3 2ft girls in quite a small space or a nute issue by the way i have just given them there dinner of a dose of epsom satls any good ?
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Old 11-03-2007, 12:16 PM
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how old are the plants?
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Old 11-03-2007, 12:30 PM
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about 9 wks just put them into flower the stems of the yellowing leaves are quite purple a mg issue ?
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Old 11-03-2007, 12:41 PM
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Quote:
Originally Posted by sequento View Post
about 9 wks just put them into flower the stems of the yellowing leaves are quite purple a mg issue ?
i'm not sure about the purplish stems. i think that can be a normal trait in the plants, but i'm just finishing my first grow, so i'm not very experienced.

yellowing leaves can mean that your plant is deficient in nitrogen, i believe. if that is the case, either there's not enough of that in the nutrients you've been feeding it, or something else is preventing the plant from taking in the nitrogen. i've read that excessive salts that build up in the soil could cause "nute block".

near the middle to end of flowering, it is supposed to be common to see yellowing leaves, from the bottom up, as i think the plant uses a lot of nitrogen then while developing the blooms.

i've been dealing with lots of yellow leaves, but really only during the past 10 days...
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Old 11-03-2007, 12:50 PM
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i think it was because i havent used any grow nutes only just starting nutes with bloom nutes so probably not enough nutes im guessing during veg period
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Old 11-03-2007, 02:36 PM
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Quote:
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i think it was because i havent used any grow nutes only just starting nutes with bloom nutes so probably not enough nutes im guessing during veg period
yeah, i'd have to say that is it, if they're 9 weeks old, they have probably depleted the nutrients in the soil, unless you've repotted with fresh soil recently...
 

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