Abstract

Measurement of tillage effects often includes CO2 flux from soil before and after tillage. Our objective was to create a device to measure CO2 flux continuously before, during, and after a simulated tillage operation. We put an auger inside a chamber to till the soil while monitoring CO2 flux. We tested three soil conditions. First, cores stored long-term produced large peaks immediately after tillage followed by a steady rate decay. Second, simulated tillage in a summer fallow field produced a more modest peak, a rapid return to pretillage rate, and then a gradual climb in CO2 flux rate over the next 10 min. The third soil condition, having sterilized topsoil, produced a peak and then immediately returned to the pretillage flux rate. We conclude that continuous monitoring before, during, and after tillage will be important for proper interpretation of flux data.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.