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Holden Arboretum uses slingshot to collect leaves with video
Kurt Smemo, plant biologist for the Kirtland based Holden Arboretum, grabbed the cord strings and yanked, causing a shower of leaves to flutter to the ground.
They were then taken to Holden's horticulture research unit on Mitchell Mills Road in Chardon Township where they will be studied for their nitrogen and phosphorus content.
This process is done in order to learn more about the connection between tree growth and soil chemistry, "Oxandrolone Powder India" said Smemo, who Sustanon 250 Weekly Dosage was joined by Alanna Shaw, a recent Ohio University graduate who is working this summer for Holden, along with Peterson.
"It's one of the ways we use to study how our trees are doing with Buy Cheap Jintropin Online various applied treatments "Oxandrolone Powder India" that have changed the Ph of the surrounding soil in an effort to learn more about the impact of acid rain on plants," Smemo said.
Acid rain is hardly on most scientists' radar, let alone that of John Q. Public, he noted.
After about the 1980s, when sulphur emission control work was beginning to take hold, the issue of acid rain largely vanished, which left a huge hole in scientists' minds as to other acid rain contributors that included nitrogen, Smemo said.
"We still have that to worry about," he said.
Holden selected certain locations with just the correct tree species in mind, and of the correct height, too, Smemo said.
"We want trees that Winstrol Z Balkana are the dominant competitors, the ones that are out there in the sun," he said. 4-chlorodehydromethyltestosteron "This way we get a more accurate snapshot as to the chemical make up of the soil around the trees."
In order to help ensure scientific uniformity, the scientists working on this long term project target a tree grouping that is made up of three sugar maples, three red maples, three red oaks, and three American beech.
"These tree species each have different responses to environmental changes," Smemo said.
As for Testosterone Enanthate Liver the slingshot, that's a commercially grade tool more often used by arborists than by scientists looking to grab some leaves from a few thin tree limbs, Smemo said.
"One of the best places to look for scientific equipment is Home Depot," he said.
Asked why not just pluck a leaf from a tree within arms length, Smemo explained that more often than not the smaller, easy to access trees are slow growing and thus lack the desired collection/testing traits required for the study.
"In most cases with tall trees you just can't reach up to pull down leaves," he said.
And if the slingshot bean bag trick does not work Smemo has a "Plan B."
"I'll use a 12 gauge shotgun and a heavy load of steel shot," Smemo said. "I can collect a lot of leaves that way."
Still, there's no harm in enjoying your day job, either, the three scientists admit.
"That's the fun part of the job so we try to share and take turns using the slingshot," Smemo said. "Buy Cheap Jintropin Online" "But by the end of the day you do get tired fingers from all of the pulling."
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