Table 5.

Effect of lime and biochar on the growth parameters of cowpea.

Lime (t ha−1)	Biochar (t ha−1)	Shoot length (cm)		Number of leaves/plant		Branch length (cm)
		2020	2021	2020	2021	2020	2021
0.0	0.0	105.9n	122.9i	420.0o	463.0n	140.0o	154.3m
0.0	2.5	163.7m	190.0h	662.0n	674.0m	220.7n	224.7l
0.0	5.0	174.7lm	203.7h	701.0m	740.0l	233.7m	246.7k
0.0	7.5	195.3kl	216.8hi	828.0l	843.0k	276.0l	281.0j
0.0	10.0	203.8jk	216.9hi	833.0l	848.0k	277.7l	282.7j
2.5	0.0	223.5ij	233.5gh	942.0k	1010.0j	314.0k	336.7i
2.5	2.5	225.2ij	233.2gh	981.0j	1015.0j	327.0j	338.3i
2.5	5.0	227.0hij	247.2fg	1022.0i	1043.0i	340.7i	347.0h
2.5	7.5	228.8fghi	248.6fg	1033.0i	1046.0i	344.3i	348.7h
2.5	10.0	235.2fgh	252.2fg	1176.0h	1250.0gh	392.0h	416.7g
5.0	0.0	235.2fgh	257.0efg	1206.0g	1256.0gh	402.0g	418.7fg
5.0	2.5	243.6gh	257.3efg	1225.0eg	1265.0gh	408.3fg	421.7fg
5.0	5.0	245.6fgh	258.5efg	1230.0ef	1266.0gh	410.0ef	422.0fg
5.0	7.5	246.8fgh	262.2efg	1236.0ef	1280.0fg	412.0ef	426.7ef
5.0	10.0	252.2fgh	262.3efg	1238.0ef	1293.0ef	412.6ef	431.0de
7.5	0.0	252.2fgh	263.5efg	1246.0ef	1300.0ef	415.3ef	433.3cd
7.5	2.5	257.2efg	267.2def	1252.0e	1309.0e	417.3e	438.0bc
7.5	5.0	258.8def	268.7def	1284.0d	1314.0e	428.0d	439.7bc
7.5	7.5	258.8def	275.4def	1305.0c	1319.0e	435.0c	446.7bc
7.5	10.0	268.8cde	286.9cde	1308.0c	1330.0cd	436.0c	449.3b
10.0	0.0	270.2cde	288.7bcd	1368.0b	1348.0c	456.0b	459.0a
10.0	2.5	276.8bcd	288.8bcd	1372.0b	1374.0b	457.3b	461.0a
10.0	5.0	278.7bc	290.1abc	1388.0ab	1381.0ab	462.7ab	464.3a
10.0	7.5	303.6ab	310.7ab	1394.0a	1387.0ab	464.7a	466.3a
10.0	10.0	306.8a	316.8a	1402.0a	1403.0a	467.3a	467.7a
SD		44.04	41.10	262.46	257.87	87.47	87.17
p values
Lime (L)		0.00	0.00	0.00	0.00	0.00	0.00
Biochar (B)		0.00	0.00	0.00	0.00	0.00	0.00
L × B		0.00	0.00	0.00	0.00	0.00	0.00

Values followed by similar letters under the same column are not significantly different at p = 0.05 according to Duncan’s multiple range test.