compost
コンポスト
Carbon farming
Human composting
Organic farming
Permaculture
Soil science
Sustainable agriculture
Terra preta
Waste sorting
Zero waste
https://source.unsplash.com/featured/?compost#.png
/suto3/google.iconcompost
/suto3/Google画像検索.iconcompost
/suto3/Google定義検索.icon compost
/suto3/wikipedia.iconcompost
/suto3/weblio.icon compost
/suto3/kotobank.icon compost
/suto3/jisho.icon compost