Lecture 1-Principles of Energy Balance in Environmental Systems
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- Опубликовано: 3 окт 2024
- Lecture 1 of 7 in the principles of energy balance in environmental systems lecture series.
Lecture covers:
1. Introduction: The magnitude of water use in agriculture
2. The challenge of measuring water use and evapotranspiration
3. Reference books on environmental physics
4. First law of thermodynamics: energy in equals energy out
5. The seven components of the energy balance equation
6. The magnitude of latent heat of evaporation
7. Understanding energy and power
8. Shortwave and longwave radiation
9. E = mc2 homework
All lectures and handouts can be found at www.apogeeinstr....
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I've watched like 6 hours of Mr Bugbee's lessons today, my first day stumbling across his work. I really appreciate the content! I'm learning so much
he's a gods miracle for us plant lovers :)
Dr.
For someone like me who has basic understanding from experience (good and bad) that never considered classes , I’m more of a hands on person. Mr. Bugbee thanks for explaining as thoroughly as you do, you have sparked an interest in learning what’s going on a more scientific level.
This, I think answers my questions about how to maintain a good VPD and EC in the grow tent through allowing the plants respiration to control the level of humidity. It changes as I add and remove heat. At 79*-81* F, the humidity holds pretty steady at 59%-64%. Turn the heat up to 88*-96* F and humidity drops to 44%-54%. Significant changes when you’re thinking about nutrient uptake, or EC. Good stuff doctor B.B.!
I had a British biology professor that told us that she somehow removed a mitochondria and replaced it with a chloroplast in a unicellular organism and it actually lived and she told us she couldn't replicate the experiment ever again. This was in HS in Madrid in the American School but man was I blown away. "It's ALIVE!!!!"
Back again, always enjoy his lectures!
Being grateful is not enough for this man's work.
It's a privilege to listen to you sir,
Thanks for the fantastic Lessons ...
Do the hemp plants breath less during the dark hours? Let me take this question a step further. During the vegetation cycle to the hemp plants need more CO2 during the light hours versus the dark hours?I’ll use the same question for the flower cycle Do they need the same co2 to during the light cycle or the dark cycle. Thanks any additional input regarding this question would be appreciated thank you Dave
Hello Dave I'm no expert on the subject but as I understood it plants breathe CO2 and expell O2 during the day cycle, and it reverses in the night cycle, so at night they breathe O2 and expell CO2, though night respiration is very low volume compared to day respiration. So for your hemp question: It does not matter how much CO2 you put in at night, since plants are not getting any benefit or prejudice for it, but if you think about the expense.. you may want to stop wasting money on night cycle CO2.
Hope it helps.
this is so awesome!
In regards to respiration temperature. It would make sense that the temperature of a indoor grow room would require different co2 levels. What temperature have you found that the Mary Jane plants need the least amount of Co2 for respiration? Also in regards to clones and clone domes how dose the co2 reach the best results for clones in a dome? There is so little co2 and then we cover them. It seem like this process would in prove with adding co2 to the clones in their domes? Thank you Dave
1200 ppm
gracias esto se ve muy interesante. thanks you. hero.
Thanks for this
Brilliant
Gradient, Flux, divergence, curl, dot product, cross product - come on Dr. Bugbee we’re following. Add in the Physical Chemistry please.
Dam great.
Green skin!!!
12:03 because of Heisenbergs uncertainty principle. There is an absolute minimum that anything can move, and it is more than zero.