Fy. Bagautdinov et al., HUMUS STATUS IN THE SOILS OF THE SOUTHERN URALS AND METHODS FOR ITS IMPROVEMENT, Eurasian soil science, 30(9), 1997, pp. 969-976
Humus content, fractional composition, structure, and balance in culti
vated gray forest soils and chernozems were examined. The effect of di
fferent tillage methods and organic and mineral fertilization on the h
umus status of soils, and soil productivity is considered.