For citations:

Ulanov A.K., Budazhapov L.V., Lapukhin T.P., Biltuev A.S. QUALITATIVE CONCENTRATION OF HUMUS OF CHESTNUT SOILS CONSIDERING MANY-YEAR FERTILIZING. Bulletin of NSAU (Novosibirsk State Agrarian University). 2019;(1):58-67. (In Russ.) https://doi.org/10.31677/2072-6724-2019-50-1-58-67