並列摘要
The box of compost was made up by oiled plastic painted plywood. Inner the box was mulched by lumarth plastic cloth, and the concrete blocks put on the plastic cloth, then followed by the plastic net on the concrete block. The materials of composting was ready to fill in the box. The air motor or air compressor was connected beneath the box and aired one hour per day during composting. The advantages of this composting system were to decrease the stink, flies and to avoid the nutrient loss by rain leaching. It could maintain the relative moisture content of materials about 50~60% without adding any other water after filling and the aerobic condition was maintained in the box usually during composting. The labors for turning-over the compost was saved and the time of composting was needed about 45 days once. The price of this system was about 20,000 NT$ (800 U.S.).