PROBLEM TO BE SOLVED: To provide a method for stably and efficiently decomposing thatch and reducing the volume of thatch in a lawn over a long period of time.SOLUTION: A microcapsule including thatch-decomposing bacteria in which the thatch-decomposing bacteria are included in a porous microcapsule comprising an environmentally degradable polymer is prepared and sprayed onto the lawn.COPYRIGHT: (C)2011,JPO&INPIT【課題】芝生地におけるサッチを長期にわたって安定的に効率よく分解・減容化し得る手段を提供する。【解決手段】環境分解性ポリマーからなる多孔質のマイクロカプセルに、サッチ分解菌が内包されてなるサッチ分解菌内包マイクロカプセルを調製し,芝生地に撒布する。【選択図】なし