Dope Grower
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Here are some plants in week 7 of flower ( ~9/10 week strains ) they are in a greenhouse under 1000W double ended HPS in 5 gallon containers is a nice soil mix from a trusted purveyor.
Irrigation water source contain is well most notable thing about it is ~120ppm of calcium
not knowing this initially we have had calcium forward, low nitrogen approach to fertilization. The thought being we wanted to encourage tighter internode spacing and reduce pest susceptibility.
Using AEA nutrients and some simple JADAM style JMS brews weekly for increase biology
About week 5 of flowering noticed some yellowing, figured beginnings of nitrogen store consumption seemed a little earlier continued to feed with basically no additional nitrogen.
symptoms persisted and got worse, more yellowing, petioles and meristem moving from reddish to red/purple, entire yellow leaves , with yellowing seeming to climb from lowers up, eventually shriveling lower canopy leaves and yellowing generally, more exaggerated purple stems.
Then this leaf tip burning with and upward curling.
My current running theory is I shorted the plants on nitrogen so they have natural yellow flowering fade that's being exaggerated as the plants run short on N, coupled with an over calcification of the soil which may have started locking out Potassium ( which I have applied pretty sparingly ) and Magnesium, which I have applied somewhat regularly but may just be getting locked out. - This may be somewhat or totally off base, not a new grower but I have no ego so eager to hear peoples feedback.
If the test confirmed that I will probably do a light foliar feed with Potassium and Magnesium, and some really small amounts of minor boron, zinc and sulpher. + Feed phosphorus once more through the drip and call it good, fresh water until harvest.
I don't have a run off pH but, I generally don't PH to often being in soil. But we are running some tests and just got samples out for leaf analysis as well as soil and water.
But I am really interested to see what the community has to offer in the way of hypothesis.
This is a new spot, with a new soil source, new water source, new cultivars and new nutrients so we are in the sharper bend of the new spot learning curve.
Incredibly grateful for your feedback. My great thanks!
Hello All,
Irrigation water source contain is well most notable thing about it is ~120ppm of calcium
not knowing this initially we have had calcium forward, low nitrogen approach to fertilization. The thought being we wanted to encourage tighter internode spacing and reduce pest susceptibility.
Using AEA nutrients and some simple JADAM style JMS brews weekly for increase biology
About week 5 of flowering noticed some yellowing, figured beginnings of nitrogen store consumption seemed a little earlier continued to feed with basically no additional nitrogen.
symptoms persisted and got worse, more yellowing, petioles and meristem moving from reddish to red/purple, entire yellow leaves , with yellowing seeming to climb from lowers up, eventually shriveling lower canopy leaves and yellowing generally, more exaggerated purple stems.
Then this leaf tip burning with and upward curling.
My current running theory is I shorted the plants on nitrogen so they have natural yellow flowering fade that's being exaggerated as the plants run short on N, coupled with an over calcification of the soil which may have started locking out Potassium ( which I have applied pretty sparingly ) and Magnesium, which I have applied somewhat regularly but may just be getting locked out. - This may be somewhat or totally off base, not a new grower but I have no ego so eager to hear peoples feedback.
If the test confirmed that I will probably do a light foliar feed with Potassium and Magnesium, and some really small amounts of minor boron, zinc and sulpher. + Feed phosphorus once more through the drip and call it good, fresh water until harvest.
I don't have a run off pH but, I generally don't PH to often being in soil. But we are running some tests and just got samples out for leaf analysis as well as soil and water.
But I am really interested to see what the community has to offer in the way of hypothesis.
This is a new spot, with a new soil source, new water source, new cultivars and new nutrients so we are in the sharper bend of the new spot learning curve.
Incredibly grateful for your feedback. My great thanks!