TY  - JOUR 
T1  - Assessment of humus and nitrate content in soils and dynamics of their changes in the conditions of agricultural work in Kostanay region
JO  - Brazilian Journal of Biology
A1  - Yskak, A.
A1  - Nugmanov, A.
A1  - Chashkov, V.
A1  - Paramonova, T.
A1  - Shcheglov, A.
A1  - Nurushev, M.
A1  - Tulkubayeva, S.
A1  - Tulayev, Y.
A1  - Somova, S.
A1  - Irzhanov, Z.
A1  - Bashev, A.
SN  - 1519-6984
UL  - 10.1590/1519-6984.305242
VL  - 86 
Y1  - 2026
PB  - Brasil 
ER  -