No abstract

No abstract

The effectiveness of biofertilizer, which was obtained by extracting humic acids from vermicompost 0.02 n NaOH, is shown. The increase in the productivity of the test culture in the growing experiment against the background of watering with the vermigumate (dilution 1:50) was 73% in relation to the control.

No abstract

The morphological features, chemical and physico-chemical properties and the qualitative composition of the humus of some soils of the Krasnoyarsk State Nature Reserve “Stolby” are considered. The specificity of the fractional composition of the humus of soils with a close group composition reflecting the macroclimatic conditions of humus formation is shown.