PROBLEM TO BE SOLVED: To provide a method for producing a planting base, capable of efficiently greening and stabilizing a ground surface while effectively using dam sediment, and to provide the planting base.SOLUTION: A method for producing a planting base includes: mixing dam sediment, a cement composition which gives a spontaneously disintegrable hardened cement product, and water and striking the obtained mixture on a ground surface.COPYRIGHT: (C)2014,JPO&INPIT【課題】 ダム堆砂を有効利用しつつ、効率的に地盤表面の緑化及び安定化を図ることが可能な植栽基盤の製造方法及び植栽基盤を提供する。【解決手段】 ダム堆砂と自然崩壊型硬化体用セメント組成物と水とを混合し、得られた混合物を地盤表面に打設することを特徴とする植栽基盤の製造方法。【選択図】なし