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Chisel Plow HP ?
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<blockquote data-quote="agmantoo" data-source="post: 928648" data-attributes="member: 8973"><p>The HP requirement will depend on a number of factors. I have a large Bushhog brand parabolic chisel plow. In dry compacted clay at 16 inches deep a 200 drawbar HP tractor cannot pull it. With moisture in the clay and the plow set at ~ 14 inches I can manage with a 145 HP tractor. There was a report on using chisel plows on the internet from Iowa State I believe. The summary of the report as I remember stated the results does not justify the expense. The only benefit I ever gleaned from the effort was witnessed in dry years as the process does minimize surface runoff should it rain. Four dollar fuel is rapidly consumed with the load of a true chisel plow with multiple shanks stuck deep in compacted soil. I once pulled a dirt clog up the size of a VW bug when crossing the area where log trucks had traveled. You ever see a revved up high horsepower 4 wheel drive tractor make all the tires squat to nearly flat and then take a hop?</p></blockquote><p></p>
[QUOTE="agmantoo, post: 928648, member: 8973"] The HP requirement will depend on a number of factors. I have a large Bushhog brand parabolic chisel plow. In dry compacted clay at 16 inches deep a 200 drawbar HP tractor cannot pull it. With moisture in the clay and the plow set at ~ 14 inches I can manage with a 145 HP tractor. There was a report on using chisel plows on the internet from Iowa State I believe. The summary of the report as I remember stated the results does not justify the expense. The only benefit I ever gleaned from the effort was witnessed in dry years as the process does minimize surface runoff should it rain. Four dollar fuel is rapidly consumed with the load of a true chisel plow with multiple shanks stuck deep in compacted soil. I once pulled a dirt clog up the size of a VW bug when crossing the area where log trucks had traveled. You ever see a revved up high horsepower 4 wheel drive tractor make all the tires squat to nearly flat and then take a hop? [/QUOTE]
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