Oyster mushrooms can be produced from a wide array of agricultural waste material, which makes them the easiest mushrooms grown. In addition, simple and basic equipment can be used allowing the technology of mushroom farming to be suitable for both rural and semi-urban conditions. Prevailing structures can be modefied to suit the required conditions. Not only are oyster mushrooms easier to cultivate, they also take a relatively short period to mature; some species are know to be ready for harvesting 3 to 4 after spawning.