As a popular measure, there is the reuse of coffee grounds as a soil improvement agent, but it is not necessarily effective due to an excessive gap between the amount discharged and the amount reused.
ポピュラーな手段として土壌改良剤への再利用があるが、排出量と再利用量にギャップがありすぎるため必ずしも有効というわけではない。