Olezhkakot
- 14
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Man, that helps for sure, medium is soil, thank you!I grow in soil and water to 10% run-off, only when pots are very light. Over-watering has to do primarily with how often you water, not how much water you give. I don't know what media you're in. If that's soil, plants that small in pots that big might go a week or more between correct waterings. Light intensity might be an issue as well. In early veg, I'm around 25% of finishing wattage. Hope that helps.
Can you elaborate a bit or reference some article on transpiration please? Never read about thisAt those day time temps and RH that low those plants are in very high transpiration. Do you have anyway of determining your leaf temps? A IR thermometer would be your best friend right now.
Thank you, I’ll try that strategy!I think 15 inches is probably a bit too close for that light and those young plants... and it definitely sounds like you're watering too frequently, the leaves look swollen, meaning they're overwaterd. You can't just go by the top of the soil. They need a dry period, let them be until the soil is light, then saturate. I routinely go a week between waterings when my plants are that small inside... fabric pots maybe less with good airflow, maybe 5 days, depends on the environment. Get a moisture meter to stab in the side of your pots till you get watering down.
Search VPD [ Vapor Pressure Deficit] .Can you elaborate a bit or reference some article on transpiration please? Never read about this
TSD posted a good link. There is also a lot of info on this forum about the importance of maintaining acceptable vpd levels for healthy transpiration. Search vpd. Your plants, based on your ambient temp range and low rh results in a very high vpd. What we do not know is the leaf temp offset. But if you are under a LED light, and keep temps around 80 degrees and rh of 60% you should land in a safe vpd.Can you elaborate a bit or reference some article on transpiration please? Never read about this
Man, much thanks, you brought my understanding to whole new level. I just measured the temp, the swollen leaves are about 26 and those who look okay are 25(77/78F)Here's a visual that shows where you should be in each stage and how to get there with proper temp and humidity. View attachment 1278882
Ah okay, so as I can understand - I should either bring humidity to 60 or lower temperature to 61Here's a visual that shows where you should be in each stage and how to get there with proper temp and humidity. View attachment 1278882
Technically... but 61 is a bit chilly lol.Ah okay, so as I can understand - I should either bring humidity to 60 or lower temperature to 61
I've gone 9 days between waterings in nursery pots with small plants, without getting too dry... little ladies just don't use water that fast.I'm more inclined to say stop watering/feeding so often. I looked through your data. Temperatures are fine both day and night. 50% humidity is where I like to be (I prefer slightly dry over slightly humid) so the most likely cause for swollen droopy leaves is watering too frequently.
Do take leaf temperatures with a no contact infrared thermometer. If you don't have your leaf temps, you don't have the correct data to use the charts. In the meantime, give an extra day or possibly more between watering.
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