Effect of putting the corn stalks on the black land on carbon emissions under different level of chemical fertilizer was carried out in Lishu County of central part of Jilin Province.The results showed that putting the corn stalks on the black land accompany with reduction of chemical fertilizer could realize reduction of carbon emission on condition of keeping high level of crop production.It was not only economical but also environmental,and the carbon emission per hectare was reduced by 2.01 kg/d than the normally farmed soil after harvests.