An update called Gardening Tools will allow you to become a real gardener in minecraft. Actually now in the game various kinds of tools will appear for more convenient fertilizing of beds, harvesting and just creating favorable conditions for its growth.
An automatic farmer automatically plants wheat, carrots, potatoes, or beets in nearby empty farmland. It can also automatically collect nearby (mature) instances of the same .. Turn it on by pressing L for the PLant menu (can be changed on the Minecraft control screen).