My first question is what row widths are you looking at cultivating? When you say mixed vegetables does that include potatoes? I worked on this problem for 10 years and here are some of problems I ran into. Some crops require different row widths. I used two tractors Super A set at 52" tire tread With that I could do two 26" rows in items such as beets, lettuce, turnip, rutabagas, etc. I was also able to use that tractor for single row 52" plus on items like cucumbers, tomatoes, gladioli, squash, pumpkin, etc. The other tractor I used a Farmall 130 (same basic tractor) tried 32" rows for items like corn, peas, beans, etc. The crop I still have problems with in this setup is potatoes. A heavy crop of potatoes requires a min. 36" row, and to get ground clearence you need someting like a Super C, 200 or even a 300, or 400 tractor. I currently grow my potatoes in 52" rows and use SA. That is to wide. I tried 34" rows with 130 set at 68". Problem with these little tractors in two row potatoes is final drive being low point of tractor is right over rows, and damages plants. E-mal me with specific questions, there have been other pitfalls along the way.
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