What will help determin the size of the bottom is top soil depth. In some areas it is only 6" while others it is 2' so if it is the shallow top soil you should not be mixing the top soil and the subsoil but it seems as though it has become common practice and then they wonder why the groung will not work as it did. Each size plow bottom has an ideal cutting depth, 10" would be 5" depth, 12" is 6", 14" is 7", 16" is 8" and the new 20" it is 10" on. In other words the ideal depth is 1/2 the width of the bottom. And every bit of depth you increase it will take more power to pull as you are moving more dirt and then add for width and it will still take more power.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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