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

Table 6

Effect of biochar application methods and rate on Si, K, and P uptake.

Application method	Rate (t ha^−1)	Nutrient uptake (g pot^−1)
		Si	K	P
Control	0	2.72 ± 0.03d	1.23 ± 0.14	0.37 ± 0.10
LSA	5	2.53 ± 0.22d	1.20 ± 0.10	0.48 ± 0.02
TMA	5	3.14 ± 0.09c	1.21 ± 0.26	0.46 ± 0.05
TMA	10	3.43 ± 0.05b	1.55 ± 0.26	0.49 ± 0.17
WMA	5	3.39 ± 0.09b	1.48 ± 0.31	0.52 ± 0.09
WMA	10	3.78 ± 0.19a	1.33 ± 0.26	0.39 ± 0.09

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.