PROBLEM TO BE SOLVED: To provide a weed control material which presents expansibility to suppress contraction and suppress the generation of a gap, provides a crack resistance, and can relieve the work of mowing, and to provide a method of using the same.SOLUTION: There are provided: (1) a weed control material containing cement, a gas foaming substance, and soil (2) a weed control material of (1) containing any one or two types of a fluidizing agent and cement admixing polymer (3) a method of using a weed control material of (1) or (2) including laying the weed control material on the ground, sprinkling water thereon, and covering the ground and (4) a method of using a weed control material of (1) or (2) including mixing the weed control material with water, laying it on the ground, and covering the ground.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】膨張性を付与することで収縮を抑え、隙間の発生を抑え、ひび割れ抵抗性を付与し、草刈の労力を軽減できる防草材及びその使用方法を提供する。【解決手段】(1)セメント、ガス発泡物質および土壌を含有してなる防草材、(2)さらに、流動化剤およびセメント混和用ポリマーのいずれか1種または2種を含有してなる(1)の防草材、(3)(1)または(2)の防草材を地面に敷き詰めてその上に散水して被覆する防草材の使用方法、(4)(1)または(2)の防草材を水で練混ぜて地面に敷き詰めて被覆する防草材の使用方法、である。【選択図】なし
