Table 4: Summary of the effect of biochar rate on water-soluble (WS) manganese (Mn) and sulfur (S) over the 2023 growing season under simulated-furrow-irrigated rice on a silt-loam soil in the greenhouse.
Rate (Mg ha-1) |
WS-Mn (mg kg-1) |
WS-S (mg kg-1) |
0 |
4.3 a† |
10.1 ab |
2.5 |
3.5 b |
10.5 a |
5 |
3.3 b |
10.1 b |
†Means in a column with different letters are different at P < 0.05