The effect of thinning of young spruce stands by 500 trees/ha on biological activity in the soil profile was studied in the mountainous area of the Moravian-Silesian Beskids. The biological activity of soil was determined under optimal laboratory conditions by tests of soil respiration. catalase activity and intensity of cellulose decomposition. No statistically significant difference... https://classiquesupplyes.shop/product-category/acrylic-monomers/