NR, HR and TR denote no, high and total straw removal rates, respectively. Asterisk (*) symbol on the respective site indicates that straw management was performed up to the second year.
Table 4. SOC stocks (Mg ha-1) to a 30-cm depth in areas under straw removal (TR–total removal, LR–low removal, HR–high removal and NR–no removal) in sandy and clayey soils.