Soil organic carbon (SOC) is an important component regulating soil fertility and crop productivity as well as global carbon cycle. This research
was carried out in Mymensigh located in northern Bangladesh 24°45′14″N 90°24′11″E. The objective of this study was to investigate the effects of
present land-use and soil management practices on SOC accumulation for the period of July to October, 2013. Different cropped land (single,
double and triple cropped), agroforestry, fallow land and grass land were taken for determining SOC. Soil organic carbon was significantly varied
in different land use pattern and soil management practices. Among all land use pattern the highest SOC was found under agroforestry and the
lowest was found under fallow land. Organic carbon dynamics highly regulated by organic fertilizer application and tillage operation. The result of
this study will help to develop future plan about land use and soil management regarding soil carbon dynamics and climate change mitigation.