I don't know anything about moldboards as I grew up in South Texas and we used disk plows -- we called them "breaking plows" as like the moldboard they were used to turn the soil as one of the first operations after harvest. The disk plow and moldboard do the same thing. Disk plows are used mostly in the south, I believe, as they don't work as well in wet soil as the moldboard. On the contrary, I don't think moldboards work very well in dry soil -- I have never tried it. A disk plow has less soil resistance than a moldboard because the disks turn. Because of this, as an example, an H is a two plow tractor. It will easily pull the HM 150 semi-mount with three disks, and cut the same width as the equivalent 3 botton moldboard. Disk plows are often confused with the one-ways or "tillers" as we called them. They are not the same as the disks on a one way work at less angle, thus there are more of them and the width of cut is wider than that of a disk plow, it is also operated at a shallower depth. Disk plows and moldboards are primary tillage tools, a one way is a secondary tillage tool, although in the Great Plains they were used as primary tillage tools after wheat harvest, seldom used any more. I realize this is probably more than you wanted to know.
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Today's Featured Article - Memories of a Farmall C - by Monty Bradley. When I was a child, my grandparents lived on a farm owned by a Mr. Walters. The crops raised were cotton and soybeans, with about forty head of mixed breed cattle. Mr. Walters owned two tractors then. A Farmall 300 on gasoline and a Farmall C, that had once belonged to his father-in-law, and had been converted from gasoline to LP Gas. Many times, as a small boy, I would cross the fence behind the house my grandparents lived in and walk down the turn row to where granddaddy would be cultivati
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