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For a single acre, a rototiller is likely to work fine. Either that or use a pick and your back like I do. :p

:D, thanks @gmikeyg! Id have no probs w the pick and back but i have a dang health issue. The aquaponics seems awsome, i checked it out a little before and i love fish :). Also i may have issue w animals out here. City only allows so many per 1acre and thats all i have. Not up to date on exact ruling so thats another. Marijauna and theyd arrest me lol. If not thad probably be my crop lol. You have a farm/what kind farm? Thanks again for your inputs, i may be asking more questions in the future :]