FIELD: agriculture.
SUBSTANCE: raw mixture for production of a shell of coarse aggregate used in decoration of flower gardens and flowerbeds, comprises, by wt %: gypsum binder 50-55; urea 6-14.5; casein glue 1-1.5; water 34-38. The shell covering the surface of the coarse aggregate is environmentally safe, in the spring and summer period it performs a decorative function, followed by its decomposition in the autumn and winter period, and is fertiliser for the soil.
EFFECT: environmental safety of the shell.
2 cl, 1 tbl
