In the rapeseed
harvest season, the mean weight diameter of soil water stable aggregate was enhanced by 28.02% compared
to CK with the application rate of biochar being 40 t·ha−1
. A significant increment in soil organic carbon, total N
and C:N ratio was observed in the N2 mm, 2–0.5 mm, 0.5–0.25 mm and b0.25 mm aggregate fractions with
respect to the maximum treatment.