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Glueberry OG veranda balcony

10
2
262
2 years ago
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Outdoor
Room Type
Topping
weeks 6
LST
weeks 8
Defoliation
weeks 8-9, 11
Soil
Grow medium
Grow Conditions
Week 10
Vegetation
33
°C
°F
Day Air Temperature
6.7
pH
6+ conditions after
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Commented by
CharlieilBrown CharlieilBrown
2 years ago
- DAY 64 (06/08) New shoots have grown, the plant seems to grow well. PROBLEM WITH FEEDING However, after every feeding (even a light one) with Advanced Nutrients, it always shows problems with rust-colored spots especially at the edges. A few days ago I went back to feeding after 17 days, very lightly, and new rust-colored spots appeared on time, this time in an even more accentuated way on multiple leaves. I had drastically decreased potassium by cutting Grow, and slightly increased Micro which contains nitrogen and calcium. I came to the conclusion that it is due to an excess of calcium or potassium due to the fairly charged starting water. I don't have a professional TDS tester so I don't trust the tester I have, but I know for a fact that my tap water has enough calcium and I also use lemon juice to lower the PH to 6.7. Lemon juice contains traces of calcium and potassium, added to tap water should form a fairly charged starting water. When I go to add even minimally Micro, which contains calcium, with Grow or Bloom which contain potassium, this probably causes an excess block due to one of the two substances or both. So, now I am going to wash the roots with pure osmotic water with the correct PH. To lower the PH I will replace the lemon juice with PH Down of BioBizz. In addition, for each fertilization I will use half pure osmotic water and half tap water. This mix without lemon juice should reduce the PPM of the starting water and perhaps I will be able to feed with Advanced Nutrients without problems. If you have a different idea from mine, please give me your advice. Thank you. Everything that I will do relevant in the days of this week I will update it here in Week Comment. I am open to advice, I would be happy if you comment with what you would do in my place. Day/night air temperature on average for this week: Day 29-35 °C. Night 19-26 °C.
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Grow Questions
CharlieilBrown
CharlieilBrownstarted grow question 2 years ago
I need your advice to get back to feeding. I kindly ask you to read my last comment (27/07) in the diary and take a look at the whole diary. I also uploaded a video. Thank you 🙏
Solved
Leaves. Edges burnt
Feeding. Deficiences
like
NobodysBuds
NobodysBudsanswered grow question 2 years ago
First, it's slow-moving, it's relegated to bottom.. .most of the plant looks fine. it's good you are worried, but adjust it to scale of the problem. you should not feel overly anxious about this. based on some tidbits from diary, may even be caused in part by the irrigation habits. so, it's limted and at bottom of plant -- that's a mobile nutrient and helps us further diagnose the cause. Someties plants shed lowe leaves, too... so if it never ramps up or spreads, i'd not wory about it too much. but does lean toward k-tox of teh various options. but, you ratios aren't bad at 2-1.5-4 130 N 50 P 200 K are my NpK ppm. bcause of different densities, these ratios are a bit different. i don't know their npk versions cause npk values aren't apples to apples and i don't bother with them. 1.6-1-4 would be good for ppm... npk label values are different animal. (Ca 100+ Mg 80+ S 100+ -- these will vary more based on water used) If/when you do the math on the K you added in total, if it is well over 200, it's a prime suspect at that point, assuming the soil has some too... (some tranlating -- i speak from asoilles perspectve.. you may feed highe, but if every 2nd irrigation, it shouldn't be more than double -- over time it still has to match the same plant's metabolism regardless of soil or soilless... can't force feed plants like foie gras) you are in soil.. so if you feed every 2nd or third day, this will be higher, but you'd want to add the same mass of each molecule per week or per month etc (relative to how i explained the ramp u for soil context), so it is similar, still. you could use similar amounts in a daily feed once the plant has sapped what comes with the soil to start... until then it's a balancing act requiring familiarity with the soil's components. a 10-15% runoff when you have fully ramped up your feed will maintain soil EC -- you basically treat it like a soilles grow once those soil amendments are used up. check out what others using nsame products do... do the math using the online calculator.. you've got the tools and some ballpark ideas... start fertilizing again. --------------- some bits from readng diary and more (until now no water flowed into the saucer) -- even in soil, you definitely want "some" runoff... unliles soilless, excess runoff is just leeching anything your soil initially came amended with, so less is more in this context... but you still want some to ensure entire pot gets wet. re-occuringn dry pockets are a potential cause for nute buidup... doesn't guarantee it occus, but creates the opportunity for it to do so. You have soil, so you have to ramp up your dose over time. i've never used that product, so i have no familiarity of how hot it is, etc... search diaries using those products with soil and look over the healthy looking plants and how they progressed. expect some deviations in your garden, but a good ballpark to start. if you feed every time later on, you'll max out at 1.2-1.5 ec as stated before. (600-750ppm). Total ppm is only part of the picture. the ratios of npk et al are important too. you ratios don't look far off but i can't do the math for ppm in my head. you can do that using a manic botanix ppm calculator. too many unknowns with soil to give you a direct answer, and anyone that does is lying to themselves and giving bad info even if it coincidentally works. learn cause and effect to more effectively exptrapolate on you own over time.
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ernest_twwg
ernest_twwgweek 8
It looks like nutrient burn that might be causing a calcium lockout. It could also be a pH problem that isn't letting the plant uptake calcium. If this is the case, get the soil pH down to 6.5 and only use pH'd water to water it for a week or so. Then, reintroduce nutrients. Good luck.
CharlieilBrown
CharlieilBrown
@ernest_twwg, so your opinion seems to agree with my analysis of potassium dosage too high, rather than an excess of calcium. Thank you for the reply! I hope to receive other opinions before returning to fertilize