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Bush Hogging a Hay Field?
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<blockquote data-quote="Mark Reynolds" data-source="post: 1821045" data-attributes="member: 43196"><p>Red cedar in the east, western juniper in the northwest, alligator juniper in the southwest.....all three being species of the genus Juniperus, as well as other juniper species, have been on a strange, unprecented trend of increasing (as NO evidence ANYWHERE (sediment layers, glaciers) indicating an increase in their abundance of the current trends over the past 50-70 years has EVER occurred. The increase between these closely related species that are 1,000s of miles apart is difficult to explain (climate shift?) and isn't really supported by change in pH. Red cedar also has an incredably broad pH tolerance 4.7 to 7.8. These characteristics don't seem to support a change in pH has a significant effect on a cedar stand, although I won't difinitively say it doesn't. Just lacking evidence it seems. P and K availability 'could' be a factor but I suspect it could be from a standopint that lower P and K availability weakens competing vegetation to cedar much the same way broomesedge gains an advantage by having lower P and K requirements than grasses that compete against it when these nutrients are low in availability. I haven't heard this suggested before but is plausible. Rarely is burning the 'only' option, but at times it is the only economical and functionally viable option. Juniper species are trees of 'succession' for the most part and not so much supported by ecological stable states representative of 'state and transition' models, so why is so much 'succession' seemingly wanting to occurr across the US that has never happened ecologically before?</p></blockquote><p></p>
[QUOTE="Mark Reynolds, post: 1821045, member: 43196"] Red cedar in the east, western juniper in the northwest, alligator juniper in the southwest.....all three being species of the genus Juniperus, as well as other juniper species, have been on a strange, unprecented trend of increasing (as NO evidence ANYWHERE (sediment layers, glaciers) indicating an increase in their abundance of the current trends over the past 50-70 years has EVER occurred. The increase between these closely related species that are 1,000s of miles apart is difficult to explain (climate shift?) and isn't really supported by change in pH. Red cedar also has an incredably broad pH tolerance 4.7 to 7.8. These characteristics don't seem to support a change in pH has a significant effect on a cedar stand, although I won't difinitively say it doesn't. Just lacking evidence it seems. P and K availability 'could' be a factor but I suspect it could be from a standopint that lower P and K availability weakens competing vegetation to cedar much the same way broomesedge gains an advantage by having lower P and K requirements than grasses that compete against it when these nutrients are low in availability. I haven't heard this suggested before but is plausible. Rarely is burning the 'only' option, but at times it is the only economical and functionally viable option. Juniper species are trees of 'succession' for the most part and not so much supported by ecological stable states representative of 'state and transition' models, so why is so much 'succession' seemingly wanting to occurr across the US that has never happened ecologically before? [/QUOTE]
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