The present invention discloses a planting material including reservoir sludge and natural waste materials, in which the predetermined ratio of the reservoir sludge and the natural waste materials ranges from 9:1 to 5:5. The planting material disclosed herein may be applied to Scallion and Chinese chives cultivation, and the growth rate of Scallion and Chinese chives cultivated in the planting material is superior to cultivation soil.本發明係揭露一種植栽介質,其包含水庫淤泥、以及天然廢棄材料,其中水庫淤泥與天然廢棄材料之預定配比係為9:1至5:5。本發明所揭露之植栽介質可應用於種植青蔥與韭菜,且其生長速度優於一般培養土。S11、S12...步驟