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.