Research Article Measurements of Soil Carbon Dioxide Emissions from Two Maize Agroecosystems at Harvest under Different Tillage Conditions

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In this study a comparison of the soil CO 2 fluxes emitted from twomaize (Zeamays L.) fields with the same soil type was performed. Each field was treated with a different tillage technique: conventional tillage (30 cm depth ploughing) and no-tillage. Measurements were performed in the Po Valley (Italy) from September to October 2012, covering both pre- and postharvesting conditions, by means of two identical systems based on automatic static soil chambers. Main results show that no-tillage technique caused higher CO 2 emissions than conventional tillage (on average 2.78 and 0.7