Minecraft wiki entry for Mushroom_farming, associated text: 1 Huge mushrooms
1.1 Huge mushroom farming
2 Small mushrooms
2.1 Spread Mechanics
3 Mooshrooms
4 Farming methods
4.1 Mooshroom farming
4.2 Basic small mushroom farming
4.3 Tunnel method
4.4 Semi-Automatic Farming
4.5 Fully-Automatic Mushroom Farming
4.5.1 Using water dispensers and a light sensor circuit
4.5.2 Using pistons
4.5.3 Piston/Glass Based "Dry farming"
5 History