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ABSTRACT
Purpose: Role of no-tillage (NT) in soil conservation has been already established but its influence on soil organic carbon (SOC) is still under debate.
Materials and methods: Three paired sites, with NT and chisel-plow (CT) fields adjacent to each other were selected for this study. Fields were under the same tillage practices for more than 20 years. Fields were sampled up to 90 cm depth to determine SOC and different C pools based on soil CO2 flux during 86 d of incubation.
Results and conclusion: Significant differences in SOC and its pools were limited within the surface 0–15 cm depth only. Profile SOC did not vary between NT and CT. Tillage had a significant influence on soil C pools but the effect was not consistent across sites.
Disclosure statement
No potential conflict of interest was reported by the author.
Notes on contributor
Dr. Amitava Chatterjee received his doctoral degree in soil science from University of Wyoming in 2007. His research program examines the control of climate plant soil interaction on soil nutrient availability, nutrient losses and crop response. He has published 40 peer-reviewed manuscripts and co-edited a book (Soil Fertility in Agroecosystems). He teaches undergraduate and graduate courses in soil fertility. He has advised seven master's and four doctoral students. He serves as an associate editor of Agronomy Journal.