Cumulative Tree Trunk Diameter?
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Forum Name: Shops, Barns, Varmints, and Trucks
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Printed Date: 19 Aug 2025 at 11:36pm
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Topic: Cumulative Tree Trunk Diameter?
Posted By: Dave H
Subject: Cumulative Tree Trunk Diameter?
Date Posted: 29 Apr 2019 at 8:06pm
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I need to get some systemic insecticide out to combat gall wasps. This stuff gives the application per cumulative trunk diameter. Google confused me on that subject. If i have one pin oak standing alone in the yard,how do I determine the cumulative trunk diameter? i have a grip on diameter and circumference, but they threw the word cumulative in on me now.
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Replies:
Posted By: jaybmiller
Date Posted: 29 Apr 2019 at 8:12pm
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call the mfr of the spray you're using that says 'cumulative trunk diameter'. I have NO idea what 'cumulative' means wrt 'cumulative trunk diameter'....... better yet ,post the stuff you're using so we can ALL call the MFR !! ------------- 3 D-14s,A-C forklift, B-112 Kubota BX23S lil' TOOT( The Other Orange Tractor) Never burn your bridges, unless you can walk on water |
Posted By: Dnoym N. S. Can.
Date Posted: 29 Apr 2019 at 8:26pm
Volume CalculationsTo calculate trunk volume, the tree is subdivided into a series of segments with the successive diameters being the bottom and top of each segment and segment length being equal to the difference in height between the lower and upper diameters, or if the trunk is not vertical, the segment length can be calculated using the limb length formula above. Whether using the aerial or ground based methods, the diameter or girth measurements do not need to be evenly spaced along the trunk of the tree, but a sufficient number of measurements need to be taken to adequately represent the changes in diameter of the trunk. Cumulative trunk volume is calculated by adding the volume of the measured segments of the tree together. Where segments are short, the volume of each segment is calculated as the volume of a frustum of a cone where volume is calculated by any of the three forms: Volume= h(π/3)(r12 + r22 +r1r2) Volume= h(π/12)(D12 + D22 +D1D2) Volume= h/3(A1 + A2 +(A1A2)1/2) A similar, but more complex formula can be used where the trunk
is significantly more elliptical in shape where the lengths of the major
and minor axis of the ellipse are measured at the top and bottom of
each segment. https://en.wikipedia.org/wiki/Tree_volume_measurement#cite_note-Blozan2004-1" rel="nofollow - [1] https://en.wikipedia.org/wiki/Tree_volume_measurement#cite_note-blozanriddle-2" rel="nofollow - [2] http://en.wikipedia.org/wiki/Tree_volume_measurement" rel="nofollow - https://en.wikipedia.org/wiki/Tree_volume_measurement B:-) Dnoym |
Posted By: steve(ill)
Date Posted: 29 Apr 2019 at 8:57pm
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cumulative for one tree is basically the AVERAGE diameter of the tree.... maybe something like 6 ft above the ground.......... on multiple trees it is the total of the trees.... if you have 10 trees and each is "about" a foot in diameter, then the CUMULATIVE diameter is 120 inches ( 10 trees x 12 inch each). ------------- Like them all, but love the "B"s. |
Posted By: Dave H
Date Posted: 29 Apr 2019 at 9:52pm
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that is kinda what i was thinking Steve. Think I will give the company a call tomorrow for grins. I hate to admit it but I have a BS degree in Forestry, however the year on my ring says 1965.
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Posted By: shameless dude
Date Posted: 29 Apr 2019 at 11:32pm
| there ya'll go...giving me another head ache! |
Posted By: DiyDave
Date Posted: 30 Apr 2019 at 4:45am
I think cumulative tree trunk diameter is same as diameter breast height(DBH). Every coupla years the pointy headed egg heads have to change terms, to make themselves appear smarter, and baffle the non-members of their club... ------------- Source: Babylon Bee. Sponsored by BRAWNDO, its got what you need! |
Posted By: CTuckerNWIL
Date Posted: 30 Apr 2019 at 11:55am
FARfegnugen! https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&cad=rja&uact=8&ved=2ahUKEwjb3ZyOpPjhAhUHVa0KHS5hBY8QFjADegQIAhAB&url=https%3A%2F%2Fwww.urbandictionary.com%2Fdefine.php%3Fterm%3Dfarfegnugen&usg=AOvVaw1PekWV9Mz-1gITPuK_vRz9" rel="nofollow - - ------------- http://www.ae-ta.com" rel="nofollow - http://www.ae-ta.com Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF |
Posted By: Dave H
Date Posted: 03 May 2019 at 11:28am
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I think Diy has the answer. For me google cannot get the answer. I am throwing in the towel and going with DBH. Must be a cone head thing. I went through the packet of information attached to the container jand can't even get a tele number for information, that is unless you poison yourself with it.
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Posted By: steve(ill)
Date Posted: 28 Jul 2021 at 8:34am
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so how big of diameter of tree CAN you put in the TRUNK ? ------------- Like them all, but love the "B"s. |
Posted By: dee_veloper
Date Posted: 28 Jul 2021 at 6:18pm
In the case where a tree has only one trunk then diameter can be measured at breast height (DBH) or root crown (DRC). From what i've read, the "cumulative" term applies when a tree has multiple trunks. Special rules apply in this case. Lots of explanation here, starting in section 5.9 https://www.nrs.fs.fed.us/fia/data-collection/field-guides/ver6.0/5.0%20TREE_and_SAPLING6.pdf" rel="nofollow - https://www.nrs.fs.fed.us/fia/data-collection/field-guides/ver6.0/5.0%20TREE_and_SAPLING6.pdf ------------- Don't confuse my personality with my attitude. My personality is who I am. My attitude depends on who you are. |
This stuff gives the application per cumulative trunk diameter.Posted By: Walker
Date Posted: 28 Jul 2021 at 7:22pm
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Declaration of Independence is written in gall ink. Make some of that. |