Ruzavin Y.N., Chimitdorzhieva I.B., Norbovanzhilov R.D., Tarasova L.A.

Changes in the content of forms and compounds of nitrogen during prolonged agricultural use of black soils of the Republic Buryatia

The changes in the forms and compounds of nitrogen in the black earth of the Republic Buryatia were studied with long-term use of soils. Virgin and arable soils were taken as the basis

Keywords:BLACK EARTH, VIRGIN LAND, ARABLE LAND, GROSS POTASSIUM, EXCHANGE AND NON-EXCHANGE, FIXATION, MINERALOGICAL COMPOSITION