UDC 631.417.2
Yuriy Kravchenko
CONTENT AND DYNAMICS OF CHERNOZEM HUMUS EFFECTED BY CONSERVATION TILLAGE
National University of Life and Environmental Sciences of Ukraine, Soil Science and Soil Conservation Department,
Heroyiv Oborony st., 15, Kyiv, 03041, Ukraine
The main objective of this study was to examine the effect of different tillage systems on the SOM concentration, its quality and dynamics. Were approved: increasing of organic carbon (OC) content in upper soil horizons, growth of carbon content in fulvic acids and humins, higher content of SOCL under minimum tillage.
Key words: Soil Organic Matter, Humus, Mollisol, Chernozem, Tillage, Crops