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Re: Why a disc plow?
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Posted by MIKE HANLEY on February 14, 2003 at 06:30:11 from (209.206.211.76):
In Reply to: Why a disc plow? posted by Loren on February 14, 2003 at 04:56:31:
Quote from my old UofWis Col of Ag book on farm machinery .Copywrite 1955. (That shows my age.) Developed in the great plains area about 1927. It was designed as primarily as a one-way disk harrow. As it use spread, farmers began to adopt it for shallow plowing. Improvements have made the tool into a popular and widely used plow. The speed of the plow should not be over 4MPH. High-speed operation increases the power requirements, causes too much pulverizing of the surface soil, and does not leave trash on the surface to prevent wind erosion. End quote. Key words here, leave trash to prevent soil erosion. Conservation tillage 50 years ahead of it's time.
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