Influence of Rice Husk Biochar and Its Application Methods on Silicon Dynamics and Rice Yield in Sandy-Loam Soil

Table 4

Effect of biochar application methods and rates on rice dry biomass and grain yield.

Application method	Rate (t ha^−1)	Biomass yield (g pot^−1)			Filled grain %
		Grain	Root	Straw
Control	0	31.5 ± 1.3c	68.6 ± 6.7	122.7 ± 13.7	86.8ab
LSA	5	38.2 ± 2.1b	54.0 ± 5.9	110.0 ± 12.2	88.9ab
TMA	5	35.1 ± 1.3b	53.4 ± 7.4	125.3 ± 8.0	87.6ab
TMA	10	25.8 ± 2.2d	50.8 ± 9.0	129.3 ± 10.2	79.2b
WMA	5	46.4 ± 1.3a	51.9 ± 3.4	118.0 ± 14	94.6a
WMA	10	37.6 ± 2.4b	66.9 ± 9.8	129.3 ± 7.6	89.7ab

Note. Means in the same column followed by the same letters are not significantly different from each other at . LSA: localized spot application, TMA: top-mixed application, and WMA: whole-mixed application.