How large of a branch can one air layer?

I’m joking about the Pi in college thing. It was a bit more complicated than that. I went East Tennessee State University. This trunk is a train trunk about 6-8 feet in the air, so it’s an irregular shape so using Pi wouldn’t be very useful. And I don’t remember enough calculus to figure it out.
 
Please, please stop with the math talk. This is a bonsai site. I have been dealing with the trauma math has caused for the past 25 years. The last day I had in my second year of Algebra 2, when I graduated high school. 😂

From my namesake there are many good videos on YouTube Peter Chan of herons bonsai has posted. He had successfully AL many big a$$ maple specimen on his channel so they may help you friend.
 
Please, please stop with the math talk. This is a bonsai site. I have been dealing with the trauma math has caused for the past 25 years. The last day I had in my second year of Algebra 2, when I graduated high school. 😂

From my namesake there are many good videos on YouTube Peter Chan of herons bonsai has posted. He had successfully AL many big a$$ maple specimen on his channel so they may help you friend.

We're just talking about proportion. Is that not what bonsai is all about?
 
? not sure I follow how this affect me understanding the US measurementsystem?
No one understands the US measurement system - definitely not the average American. Ask your average person in this country to define an "acre" of land. No one knows. Explain to them that it is the amount of land that can be plowed in one day by a yoke of oxen pulling a wooden plow. :) Or, if that is too confusing, it is exactly 660' x 66', or 43,560 square feet. No one knows this. They just know an acre is "a decent amount of land" while two acres is "bigger".

Ask your average American how many cups are in a gallon. Or how many feet in a mile. Or the boiling point of water.

Fortunately, because of international markets they now are selling liquor in the 0.75 liter, 1 liter, 1.75 liter sizes. So much easier. I hope that eventually the US will be dragged kicking and screaming into the metric system. I am old enough to remember when we were close enough to have speed limit signs in both miles per hour and kilometers per hour. But we have too many people here that fear change and are stuck in the "old ways".
 
No one understands the US measurement system - definitely not the average American. Ask your average person in this country to define an "acre" of land. No one knows. Explain to them that it is the amount of land that can be plowed in one day by a yoke of oxen pulling a wooden plow. :) Or, if that is too confusing, it is exactly 660' x 66', or 43,560 square feet. No one knows this. They just know an acre is "a decent amount of land" while two acres is "bigger".

Ask your average American how many cups are in a gallon. Or how many feet in a mile. Or the boiling point of water.
I appreciate that you recognize that I am not no one and that I'm not average (never been accused of being average or normal).👍🏻
I know these distance/area measurements because of helping on my grandfather's farm every summer, from ag classes, and from a golf course and turfgrass management program in community college. I use this degree daily working on a railyard. 🤣
I know the others but I can't tell you where or when I learned them. I just know stuff. LOL

The metric system is definitely easier. My conversion struggle is from American to metric. I hope we wise up one day as well.
 
No one understands the US measurement system - definitely not the average American. Ask your average person in this country to define an "acre" of land. No one knows. Explain to them that it is the amount of land that can be plowed in one day by a yoke of oxen pulling a wooden plow. :) Or, if that is too confusing, it is exactly 660' x 66', or 43,560 square feet. No one knows this. They just know an acre is "a decent amount of land" while two acres is "bigger".

Ask your average American how many cups are in a gallon. Or how many feet in a mile. Or the boiling point of water.

Fortunately, because of international markets they now are selling liquor in the 0.75 liter, 1 liter, 1.75 liter sizes. So much easier. I hope that eventually the US will be dragged kicking and screaming into the metric system. I am old enough to remember when we were close enough to have speed limit signs in both miles per hour and kilometers per hour. But we have too many people here that fear change and are stuck in the "old ways".

Thanks to reading a lot of sci-fi when I was in middle & high school, I developed a working knowledge of the metric and imperial system (and their conversions) before college. Knowing both isn’t a terrible task if a backwoods bumpkin such as myself can figure it out as a preteen/teen.
 
I know these distance/area measurements because of helping on my grandfather's farm every summer, from ag classes, and from a golf course and turfgrass management program in community college. I use this degree daily working on a railyard. 🤣
I know the others but I can't tell you where or when I learned them. I just know stuff. LOL
LOL I hear you. Two days ago I was spraying a systemic fungicide. I had to read the instructions for application rate in ml/liter of water... and then recalculate everything for my four gallon backpack sprayer. I should just write "15 liters" on the top of the sprayer... but then I will get a product that has instructions in ounces/gallon.:)
 
I wouldn't call that technical. It's just arithmetic. And it is necessary to find the diameter of a circle when you only know the circumference.

I know sarcasm can be hard to detect via text so I’ll just let you know, every one of my posts was created with a strong amount of it in them.

Except for my distain for math and failing Algebra II for two years. Those two are painfully true.
 
I had to read the instructions for application rate in ml/liter of water... and then recalculate everything for my four gallon backpack sprayer. I should just write "15 liters" on the top of the sprayer...
The ratio stays the same though, measured in ml/l or mgallon/gallon. But then again.. There is no such thing as a miligallon is there?
It is an interesting human psychology question why people do not want to convert to more logical standard measurements and want to hold on to outdated systems.

how many cups are in a gallon
What baffled me the first time I heard about it is that also in cooking the measure of cups are used for measuring non-liquids such as flower and suger, where the amount of product needed is actually a weigh-measure rather than a volume measure. It gets really complex if you try to make such recipes here, as we do not have the USA "standard cups" for measuring volume.

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It is an interesting human psychology question why people do not want to convert to more logical standard measurements and want to hold on to outdated systems.

Every system of measurement is entirely arbitrary. There is no one system that is more "logical" than any other. The system you were raised on that you are accustomed to is the best system of measurement, whatever that system of measurement happens to be.
 
Every system of measurement is entirely arbitrary. There is no one system that is more "logical" than any other. The system you were raised on that you are accustomed to is the best system of measurement, whatever that system of measurement happens to be.
Sorry, but I disagree

Perhaps I am just completely unaware how the USA metrics interlink though.
As an example below, why I find the metric system a more logical system to use.
Could you please show me how the USA metrics interlink with eachother and the logic behind the measures?

Volume =>measures of distance =>weight
1 liter (1000 mililiter) of water = 1000 cubic cm of water = 1000 grammes of water

Area of land made easy:
1 hectare of land = 100 * 100 metres

All different measures of distance in multiples of 10:
1 km = 1000 metres = 10,000 decimetres = 100,000 centimetres = 1,000,000 milimetres

Temperature linked to natural phenomena:
Water freezes at 0 celcius, and boils at 100 celcius
 
When you grow up with the system, it’s not difficult or confusing. Most people I know have a grasp of the metric system and a working knowledge of the imperial. I ‘think’ in the imperial system, but can do basic mental conversions both ways. It’s not really a quirk of human psychology, it’s more of a practical issue of converting a county with a land area close to that of Europe and half its population. Plus, Americans are stubborn and it seems to serve our needs well enough.
 
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It is an interesting human psychology question why people do not want to convert to more logical standard measurements and want to hold on to outdated systems.
I can remember back to a time when there was a huge push in the US to convert to the metric system. "They" started by having school children learn both systems side by side. They also changed the road signs to carry distances in both miles and kilometers. Besides international marketing, you can see a remnant of it today in the speedometers of autos.
My best friend, an educated, talented and skilled man, a machinist and tool and die maker argued strenuously against conversion with the fervor we often see and anti-vacs folks today.
I never understood it.
 
While the metric system is (to me) much simpler and apparent, I grew up with the American measurements, and I do struggle a bit with the proper conversions. So, while I understand the resistance to resetting an entire system, I wouldn't compare it to anti-vaxxers. Most of us don't care if anybody else gets jabbed or not, we simply don't want to be forced to do it ourselves. We value our freedom to make our own medical choices, simple as that. To change an entire measurement system kind of forces everyone to use it, like it or not.
 
My best friend, an educated, talented and skilled man, a machinist and tool and die maker argued strenuously against conversion with the fervor we often see and anti-vacs folks today.

That's a bit of an extreme comparison. Anti-vaxxers kill people. Using feet and gallons instead of meters and liters is a minor inconvenience at worst.
 
I thought I read that older trees don't air-gap very well because after a while the hormone needed to produce roots has diminished.... something like that anyway.

Anyone know anything about that? Maybe it's just oak trees...?
🤷‍♂️
 
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