家畜ふん尿を活用した環境保全型自給飼料生産技術の確立 (1)野積み規制に対応した低コスト堆肥舎と堆肥化処理方式の開発

Establishment of environment protection type of the production technology for self-supplied feed utilizing excrements of livestock: (1) Development of low-cost compost depots and a composting treatment method to comply with the field heaping regulations