Non-traditional fertilizers as soil ameliorants: the study of usefulness

Open Access

Table 3.

The biological activity of soil at studied sites

The variants of the experiment	The biological activity of soil
The variants of the experiment	Cellulose-digesting activity, %	Ammonifying activity, pH of air environment	Proteolytic activity, %
Natural territory (forest)	13.57	7.33	0.71
Sand quarry	27.67	6.67	0.51
LSD ₀₅	3.35	-^*	-^*

– the differences at the 5 % level of significance are not reliable

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