Table 3.

Effects of biochar (BC) application during rice (R) and wheat (W) seasons on amino acid content in wheat grains.

	Amino Acid Components	Amino Acid Content (%)
		N420	N420 + BC(R)	N420 + BC(W)
EAA	Threonine	0.23 ± 0.03	0.25 ± 0.02	0.23 ± 0.03
	Valine	0.41 ± 0.04	0.45 ± 0.03	0.42 ± 0.05
	Methionine	0.15 ± 0.01	0.16 ± 0.01	0.16 ± 0.00
	Isoleucine	0.30 ± 0.02 a	0.23 ± 0.01 b	0.25 ± 0.02 b
	Leucine	0.52 ± 0.08	0.50 ± 0.01	0.49 ± 0.01
	Phenylalanine	0.34 ± 0.02 b	0.44 ± 0.04 a	0.36 ± 0.02 b
	Lysine	0.28 ± 0.04	0.24 ± 0.01	0.24 ± 0.01
ΣEAA		2.25 ± 0.10	2.19 ± 0.03	2.21 ± 0.13
NEAA	Aspartate	0.59 ± 0.04	0.57 ± 0.03	0.56 ± 0.03
	Serine	0.35 ± 0.03	0.37 ± 0.03	0.38 ± 0.02
	Glutamate	1.43 ± 0.09	1.32 ± 0.02	1.36 ± 0.02
	Proline	0.19 ± 0.00 a	0.17 ± 0.00 b	0.18 ± 0.01 ab
	Glycine	0.24 ± 0.01	0.26 ± 0.03	0.24 ± 0.02
	Alanine	0.39 ± 0.01	0.39 ± 0.01	0.39 ± 0.01
	Cystine	0.10 ± 0.00	0.12 ± 0.01	0.11 ± 0.01
	Leucine	0.12 ± 0.01	0.12 ± 0.01	0.12 ± 0.00
	Histidine	0.11 ± 0.01	0.14 ± 0.03	0.11 ± 0.00
	Arginine	0.48 ± 0.03	0.51 ± 0.01	0.49 ± 0.03
ΣNEAA		4.04 ± 0.02	3.93 ± 0.07	3.99 ± 0.13
ΣTAA		6.29 ± 0.10	6.12 ± 0.06	6.19 ± 0.19
EAA/TAA		35.7 ± 1.00	35.8 ± 0.60	35.6 ± 1.50

Note: The values are means ± SD (n = 3). Different letters mean statistically significant differences at p < 0.05.