PROBLEM TO BE SOLVED: To provide a soil spray material for soil erosion prevention which hardly causes scattering or outflow by weather after sprayed to soil, and is excellent in long-term preservability, and to provide a soil spray material content set for soil erosion prevention.;SOLUTION: A soil spray material 100 has a biological material 10 being a combination of one or more kinds selected from algae that can grow in a soil surface layer and a granular carrier 20 carrying the biological material 10, and is formed into a particle shape.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT
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