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A middlebuster cuts a furrow and throws dirt both ways from the center, and is often used to build "hills" or raised rows in already worked ground. Never tried it, but I don't think it would work too good on "virgin" ground. A subsoiler is a shanked implement used to dig much deeper than a plow and break up "hard pan" or compacted soil generated by years of tractors driving over it. A two-bottom plow (as you have already discovered judging by your post on the tractor page) is just the ticket for what you want. It cuts a furrow several inches wide (10, 12, 14 and 16" bottoms are common) and turns the dirt completely over, burying residue and breaking up the soil. Trick is to catch the soil at the right moisture content. Too dry and it plows hard and turns to dust, too wet and it turns to cement when it dries. And BTW, I wouldn't give you a nickel for any plow sold by TSC. Too lightly and cheaply made. Very few farmers plow anymore, minimum till is both more ecologically sound and cheaper, so used plows are available pretty inexpensively. Get someone that knows plows to look it over, as wear parts like points, shins and moldboards can be hard to find for older plows.
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