Potassium (K) Deficiencies, & Toxicities in Plants (Pt 2)

Potassium (K) Deficiencies, & Toxicities in Plants (Pt 2)

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  1. Tom Zelasko on May 29, 2022 at 10:20 am

    I would like to see something you actually grew 🤔

  2. Cutty Green on May 29, 2022 at 10:21 am

    I knew the Cha Ching would come up when the grower had those issues. I use to experience the same lol

  3. PJ Arma on May 29, 2022 at 10:22 am

    You create potash lockout if you give both together all through flowering.

  4. PETER on May 29, 2022 at 10:24 am

    Great info. Probably growing on and off for 10 years and it seems for me it always comes back to potassium. Too much, too little, its so frustrating! I just keep chasing my tail. However, you did give a good little nugget that in veg it is often a deficiency and in flower it is often an excess. Thank you!

  5. Diego Roots Man on May 29, 2022 at 10:25 am

    Keep spreading the knowledge bro! I can’t wait for a second installment with Chris. I have shared your slides and podcast with every person with a question about their plants on Reddit. I’m a nube grower with only a handful of harvest, so knowledge is GOLD!! I use The full line of Technaflora nutes and Recharge would your product work with them?

  6. Henry Jr. Lane on May 29, 2022 at 10:26 am

    This is educational and I am learning that this applies to my aquaponics system which is right next to my big girl.😃

  7. Frank Z on May 29, 2022 at 10:26 am

    My plants are doing great this year. I used cow manure mixed soil. 20/20/20 until july 10 . 15/30/15 until sept with 2 waterings with 28/5/5. I will be straight ph water for the rest of the season. One of my plants is 8 foot tall. My top bud is 2 foot and solid. I only pulled 1 leaf of the plant. Every leaf on the plant is still perfectly green and the are loving the sun. I may show them when its closer to harvest. Also grew 110 lbs of potatoes . Been a great year

  8. Nailed it Outdoors on May 29, 2022 at 10:26 am

    Thanks for taking your personal time to help us nubbie really appreciate.

  9. Shaun K on May 29, 2022 at 10:27 am

    Virtually all of those chemicals occur in nature

  10. Joe Natale on May 29, 2022 at 10:27 am

    Yeah bro to many YouTube cannabis “ growers” yet never see a pic. And they are telling newbies if u live in north east h can’t grow photos they won’t make it lmao 😂. He sponsored by a auto company so I see what he’s doin. But iMO the whole point of having a cannabis channel is to help not hurt newer growers. I call him out on the regular telling his followers that I’ve brown haze in New Jersey and harvested her after Halloween they are pretty strong plants. Keep up with the great videos and correct info or atleast your opinion and u say that. I respect that I put your channel on to my younger brother and his friends cause they harass the fuk out me for advice

  11. Robert Threm on May 29, 2022 at 10:27 am

    If you bought advanced nutrient starter pack I don’t think you would ever go back it’s very simple use everything they give you I guess you could add the Cal mag that’s what I do. But you did give me an idea with that fox farm that stuff with the bad guano I loaded up a couple plants I was having that problems from Fox farm bird I don’t see no more nats it worked for a pesticide

  12. Sid on May 29, 2022 at 10:27 am

    Communication with your plant… Exactly.

    Your passion for this material is never in doubt.

    Thank you

  13. Seekah on May 29, 2022 at 10:28 am

    Giving a timeframe of when you might see a toxicity/defic is sorta irrelevant considering growers can add more at any point causing issues.

  14. Steve Roberts on May 29, 2022 at 10:28 am

    I tried fox farm and I stopped fairly quickly, every time I used it the plants would react in negitive ways visibly after each feeding. I wont use that💩again. Looking at that chart seeing it loaded with man made 💩 makes sence to me…thx mark!

  15. Michael Webb on May 29, 2022 at 10:29 am

    Thank you so much! This is an absolutely amazing video. Very detailed and well done with the science. I’m getting more and more into Botany. I am a breeder so I have to grow some absolutely perfect plants sometimes for display. Perfecting this knowledge and having a resource like yours that steps it up to the next level really is going to help me. You definitely have a follower here. Thank you.

  16. Hoodpatrol Strains on May 29, 2022 at 10:30 am

    I started growing 28 years ago and i feel like everyone will find that all this is over thinking
    (Just transplant or aerate. And be sure to flush ) 😉

  17. Miz Hempiana on May 29, 2022 at 10:31 am

    Awesome content! This is why I try to stay organic although I use fox farm OF soil which is not organic…I use compost tea to help the soil accept the nutrients it needs and I only use organic fertilizers like bone meal blood meal kelp alfalfa.. also for pest management diatomaceous earth and BT foliar spray with DE included in the amendment for transplant…

  18. jungleforeva on May 29, 2022 at 10:32 am

    If one had Klor-con (potassium chloride) which is a prescribed medicine for human calcium deficiency could that be dissolved and used? Honest question.

  19. Justice Bruno on May 29, 2022 at 10:32 am

    Generations….this i like. Keep it in the family! Thanks again

  20. Travis bennett on May 29, 2022 at 10:32 am

    There is more than just npk …. man made minerals that doesn’t occur in nature…. man cal mag is important … shit Sulphur iron … boron zink Nicol chlorine. Copper

  21. WhatAbout Bob on May 29, 2022 at 10:33 am

    Isn’t interveinal chlorosis when the veins stay green and the the leaf between the veins yellows. The pics show veinal chlorosis or complete chlorosis, not interveinal chlorosis. Interveinal chlorosis would have green veins instead of yellow.

  22. H.Y.O on May 29, 2022 at 10:36 am

    If I press the like button I will be the 666th one 🤔 I wait I’ll come back to like 😂 by the way I purchased me drops of balance thank you

  23. Banji Dawg on May 29, 2022 at 10:37 am


  24. Cutty Green on May 29, 2022 at 10:37 am

    Thank you for showing the leaf examples of excess and deficiencies. Made it 10x easier

  25. Matthew Valentine on May 29, 2022 at 10:38 am

    Tried fox farms soil and nutes and have been struggling so what super soil is a good one to use?

  26. Josh Irvin on May 29, 2022 at 10:41 am

    Hi Mark, after diving in your channel it seems I’m about the only one you dont heart the message or answer any questions I put up so was wondering if I should unsubscribe as Im not getting everything your putting out for other people to see and was but not anymore getting the pics you put up for your guessing guessing game you got going which I think is a cool interesting thing to do and a good way to learn about certain toxicities and deficiencies! Look I know your SUPER busy brother but I couldn’t help but notice this! As I ask questions and comment and like your vids just like everyone else to get no answer or anything at all, which I know you dont have to nor obligated too but it sure would be reassuring to know the answers to the questions you put up about what "we" think the problem is…? Dont know if I rubbed you the wrong way at some point but if I did it’s all in good fun, no worries here but doubt I’ll get an answer to this anyways…🤷‍♂️🤔🤔✌

  27. karen gracia on May 29, 2022 at 10:43 am

    What about Gaia green??

  28. Sean Mac aKa Xave420 on May 29, 2022 at 10:46 am

    Thx for making these videos Mark. I just top dressed and flipped to flower. Last grow I had a definite k deficiency.. I think I’m better prepared this time around again

  29. Patrick Dearing on May 29, 2022 at 10:46 am

    This looks like what I’m going through. But it looks like both a deficiency and a toxicity. Hard to determine which one.

  30. PJ Arma on May 29, 2022 at 10:48 am

    Because you only give a flower potash for the first half of flower to swell out buds then switch to potassium to mature the flower.

  31. John Roy Dela Cruz on May 29, 2022 at 10:50 am

    I appreciate ur video

  32. Alex Blankenship on May 29, 2022 at 10:50 am

    I’m having a deficiency and I can’t figure out starts small brown spots then took whole leaf no bugs on sticky pads , could I share picture for help

  33. Sesh Life Entertainment on May 29, 2022 at 10:52 am

    I’ve been looking for someone like
    You for a while. Thank you for this.

  34. Fudroy Smith on May 29, 2022 at 10:53 am

    Why is the guy in the thumbnail getting punched in the face?

  35. Bent Genetics on May 29, 2022 at 10:54 am

    Great video, thanks for breaking it down.

  36. Tater Tot on May 29, 2022 at 10:55 am

    I love your in depth explanation with photos and highlights. Needed this video today thank you

  37. Wayne Inge on May 29, 2022 at 10:56 am

    I believe it is an ethylene build up in leaves as they age it brings about death actually increasing magnesium will help ease the problem, this will also happen after defoliation…

  38. David Pitts on May 29, 2022 at 10:58 am

    Thanks Mark. You’ve helped me so much. I’ve been wanting teaming with microbes for over a year. Keep up the good work.

  39. SKY HIGH ACTION DRONES on May 29, 2022 at 11:00 am

    Great video. I recently got greedy, over-fertilized, container plants, live and learn. It didn’t effect the inground plants, I got lucky.

  40. kelly hill on May 29, 2022 at 11:02 am

    Really appreciate these informational videos.

  41. Chris 432T on May 29, 2022 at 11:03 am

    Really enjoy and appreciate all of the videos. I watch them often. Is there a video comparing plants with and without drops of balance? Looking forward to trying it out regardless. Thanks again Mark for always keeping it real.

  42. Michael Bassett on May 29, 2022 at 11:04 am

    ive been a professional landscaper, gardener, and been in horticulture literally my entire life now (25+ years now in the industry) my father and mother also grew for a long time. anyways you are 100% correct on your monsanto opinion. i know good people who are dead because of their shit and what i mean is the company either knew their product was unsafe and told people it was safe or they did not know it was unsafe and told people it was safe because they wanted to rush it to market and not do the research to find out, either way it shows their irresponsibility. we were told decades ago that glyphosate was so safe you could drink it and dont worry about it misting/drifting onto your legs when spraying pesticides/herbicides. a few years later we get told that we should be wearing PPE when using the same products that we were told we didnt have to wear PPE and then we started hearing about the lawsuits. at least this is how it went for us and our experience. now i wear PPE when handling any chemical just about but when you work in environments that are 95-100 degrees and 90%+ humidity well you kinda try to wear as little as possible, not fun times to be wearing a tyvek suit lol

  43. Samuel Coots on May 29, 2022 at 11:05 am

    Key fix!!! Nature’s way hair and nail vitamins made from fish! Look up lots of good. 2 tabs in teas.

  44. Mr. Ski on May 29, 2022 at 11:06 am

    Cool, but I’m good using my bottle nutrients and Coco. I haven’t had any problems what so ever after going Coco and learning better watering and or feeding habits. My yields are huge difference from all my organic soil attempts. It’s just not worth the headaches for me growing autos with delayed organic responses.

  45. Mr.Greenstacks on May 29, 2022 at 11:08 am

    Hello Mark if a deficiency is mobile does it always start at the older growth? Or can it start anywhere and move

  46. Adam Lorenzen on May 29, 2022 at 11:08 am

    I’m using general hydroponic maxigrow/ maxibloom / cool bloom /cal+mag + GH pH up/ down kit to test I keep water at 6.0- 7.0 pH .. any advice on using these particular products in soil outdoors … Specifically in 18 gallon containers .. I found I have to use twice the amount recommended from start to well now about 30 days in of my "tomato plants" still have yelling basically whitening of elderly leaf’s I uses a floral spray of maxigrow on leaves to counteract what I assume is nitrogen deficiency but I have copper spots of those leaves as well .. long story short any advice would be awesome 👍👍😵

  47. Just Jerry on May 29, 2022 at 11:10 am

    I had this issue with the FFOF soil using the FF trio of nutrients (1/3 strength). I did a lot of leaf plucking and ended up being okay but that soil is definitely hot.

  48. Ken McRae on May 29, 2022 at 11:11 am

    Outstanding tutorial! Thank you very much. I’m an organic outdoor grower and have been struggling since early August with nutrient deficiencies.

    I used worm castings, insect frass, composted cow manure, bokashi top dressing, seaweed, etc. I held back nothing. Alaska Fish Emulsion, Fox Farm Liquid Kelp, Advanced Nutrients Organic Big Bud. I couldn’t fix the problem, sadly.

  49. GreenmountainGrower on May 29, 2022 at 11:13 am

    So if i have a potassium excess how can i fix it or am i just screwed. And i i can fix it pls tell me how

  50. Goat City on May 29, 2022 at 11:13 am

    I thought you were gonna talk about banana peels?