Composting
Composting Indonesia is known as agricultural country. However, Indonesia has developed and become an industrial country. This fact can be proofed by the quantity of industry compared to agriculture land which Indonesia has. On the other hand, the waste from the agricultural field can still be found and remains unprocessed. There are a lot of ways to solve this problem, one of them is composting. There are three most commonly used composting method. Those are vermicompost, aerobic and organic liquid. First, vermicompost is a fertilizer which is derived from worm dung (Sutanto, 2002). This method concluded as easy method because it has only a few thing to control. It only needs to maintain the worms in a particular waste to breed as well as decomposing organic waste to produce dirt. From there, the mix of dirt and worm will transform to a mixture which contains the feces. It can be used as organic fertilizer that has a high aeration level. For the species of worm, Lumbricus t...