Seed Bag (RedPower 2)

The Seed Bag is a container that can hold one type of seed. When a bag contains a certain type of seed, the bag will automatically fill up with seeds any picked up seeds. When the bag is right-clicked on farm ground, it will sow the contained seeds in a 5x5 area.

Pressing shift and right-click will access the bag's inventory, to manually add or remove seeds from it.