This Redstone tutorial covers how to make an automatic farm machine for wheat, carrots, potatoes and cocoa beans.
The farm will burn through your bonemeal for sure. It is again very survival friendly, cheap and simple, and the machine does not require you to have been into the nether which makes it ideal for new worlds.
Worldfile download: http://www.mediafire.com/?dlufob47mird7wc
Music used: "Afterlife City" by Machinimasound.com
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