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Iron Deficiency?

V

Verger OG

Pepe Le Puw said:
Verger stitchers and I go back a few years....

I really appreciate your effort to borrow the camera so we could have a better look at something we dont see often(ever?) here....

Your pictures were instructional and added to the knowledge base....

Added where? I like to see? I can report that the next set of fan leafs are also showing this same thing! On the same position.

We rarely get feedback from those we try help...

Yes I can see that. It doesn't mean that people are not grateful. But perhaps just too lazy to express themselves about it. I always feel a little guilty asking questions because I cannot give back a lot. I am not an expert grower although I have done a few years of it. I seem to be stuck at a level where I can't improve. I can't get my growing conditions right. E.g. temperature and humidity. And if you see my graph...it hops up and down and that stresses my plants.
pH keeps being tricky for me.

Thanks for your understanding.

FYI, the seed came from Dutch Passion.

HeadyPete:

Yes, when I started those leafs were already troubled with yellow spots.

You see, my soil mix is not quite right. I think the pH is off and it would need either a good leeching or an adjustment. But I never really know what to add and how much. So I ignore it because the plants at first may have some trouble with the pH but when they grow and can abrobs more nutrients, I take it, they can manage the pH and the nutrient richness of the soil well. This soil is bought at a grow store here in the city (NL). So it should be pretty optmisied...that is what I thought.

My plants always recover after a few weeks of minor problems and I do not feed anything for weeks, just watering...and I let the water evaporate the chlorine.

During vegetation they do good enough. But it could be better if my conditions were better.

I wish I could take my Excel graphs as a picture.

I probably overfed them yes. Other 2 males are fine; they do not sow the difference in color. This one is dark en light green, with the lighter green on the youngest leafs. The largest fan leafs are dark.

This one was given root complex at day 22 in 0,5 liter water. And at day 24, 6 ml.
I transpotted then and added 6ml Ph-. Just to see if the yellowing of lower leafs would stop. It stabalised then. This was 1 liter water.

On day 30 I watered 10cl and 1 ml root complex.
Day 32 0,20l water and 1 ml root complex.
Day 36 0,20l water.
Day 39 0,40l and 1 ml root complex.

Day 420,10l water + 1 ml fish emulsion.
Day 45 Phyt-Amin 2,5 ml in 1liter water. This is a growing additive containing sea algae, bloom and grow hormones and vitamins. It is supposed to increase sugar forming, quicker metabolism, stimulates chlorofyl forming.

Day 46 water 0,20l and PK-13-14 1 ml.
Day 50 water 0,25l and then a little later I removed it since it was a male.

After that I didn't record anything.
 
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