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Week 6 and plant #2 is starting to show some leaf burn (picture plant 2 at about 1/3 height, I am note sure what is causing this. Plant 1 is doing fine. It's been sunny with temperatures ranging from 86 to 90 degrees Fahrenheit during the day and 81 to 83 degrees Fahrenheit at night, it is windy with occasional rain. 1/2 gallon of water per plant per day seems to be the right amount for now.
Do I need to use fertilizer if my soil mixture is the following: 4 parts potting soil, 1 part perlite, 1 part coco fiber, 1/5 part worm casting, 1/8 part Blood meal 1/8 part Bone meal.
If yes, when should I start and what recommendations as far as which fertilizer should I use?
So far so good! thanks to your quality soil, you have not run out of K, yet... Potassium deficiency is what you can expect to come after they start to flower.
Providing K in dry amendments form is not easy and expensive, especially if you only want K, as you already have *too much* N with the blood meal, and should be *plenty of* P with the bone meal , despite bone meal takes really long time to break down in usable form for the plants. Langbenite is about the only amendment you could add, but like any other amendments it will take a few weeks to start to be absorbed by the roots. Kelp meal would be awesome but not strong enough by itself.
Otherwise look for Potassium sulphate. It comes in powder form and a small bag goes a long way.
For all these reasons, I recommend Potassium sulphate. Use it right when you receive it, at 400 ppm to water until 3 weeks before harvest.
+2 strains
2 strains
Sweet Mimosa XL Auto
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