MFR planter/harvester. Just plug it into your AE network to import stuff and export the seeds to replant, then forget about it.
basically this. if you want the farm to be bigger, you'll need mfr upgrades. oh, and if you cant be asked to set it up, the watering can makes manual farming 1000% faster.
(i'm not kidding, make the one with the bonemeal in it and just hold right mouse on a 3x3 of crops. it's insanely fast.)