Fig. 1.

Effect of tillage based crop establishment practices and residue management on active and passive C-pool after six years of crop rotation. CTTPR-CT, puddled transplant rice followed by conventional till wheat/maize; NPTPR-ZT, non-puddled transplant rice followed by zero-till wheat/maize; ZTTPR-ZT, zero-till transplant rice followed by zero-till wheat/maize; ZTDSR-ZT, zero-till direct seeded rice followed by zero-till wheat/maize; R-, residue removal; R+, residue retention. Error bar represents standard error of mean.