. 2023 Jun 30;9(7):e17835. doi: 10.1016/j.heliyon.2023.e17835

Table 2.

Effect of continuous biochar application on grain yields and sustainable yield index (SYI). The difference between the means of treatment is separated by least significant difference (LSD) at 5% level of significance.

Treatments	Dry season yield	SYI-Dry season	Wet season yield	SYI-Wet season
RDF	525.4^D	0.73^D	531.0^E	0.70^C
RDF + 0.5 t ha⁻¹ RHB	545.0^D	0.79^CD	555.1^DE	0.73^BC
RDF + 1.0 t ha⁻¹ RHB	571.0^C	0.81^BCD	585.1^CD	0.79^AB
RDF + 2.0 t ha⁻¹ RHB	595.6^B	0.81^BC	592.4^BC	0.79^AB
RDF + 4.0 t ha⁻¹ RHB	598.7^B	0.84^ABC	617.5^AB	0.82^A
RDF + 8.0 t ha⁻¹ RHB	628.0^A	0.88^AB	628.9^A	0.84^A
RDF + 10.0 t ha⁻¹ RHB	640.4^A	0.90^A	637.4^A	0.82^A
SE(d)	9.68	0.022	14.50	0.020
LSD (P≤0.05)	21.09	0.077	31.59	0.072

*means with same letter are not significantly different at P ≤ 0.05.