. 2022 Nov 7;13:996220. doi: 10.3389/fmicb.2022.996220

TABLE 3.

Effect of graded B levels on PMN and PMC content in soil at different crop stages of cauliflower-cowpea-okra cropping system.

B-levels (kg ha^–1)	Potentially mineralisable-C			Potentially mineralisable-N
	Vegetative stage
	Cauliflower	Cowpea	Okra	Cauliflower	Cowpea	Okra
B₀	144.35^c	148.76^c	140.16^c	29.35^c	32.76^bc	30.16^c
B_0.5	151.11^bc	153.36^bc	146.91^bc	31.11^b	35.36^bc	34.91^bc
B_1.0	155.83^b	160.72^ab	152.17^ab	32.76^ab	36.72^b	36.17^bc
B_1.5	159.68^ab	167.16^b	160.29^b	34.68^ab	38.16^b	37.29^b
B_2.0	164.83^a	173.81^a	164.68^a	35.83a	40.01^a	38.68^a
Mean	155.16	160.76	152.84	30.15	37.56	46.44

	Reproductive stage in different crops^*
	Cauliflower	Cowpea	Okra	Cauliflower	Cowpea	Okra
	Cis	Fls	Frs	Cis	Fls	Frs

B₀	152.94^c	151.85^c	145.01^c	29.94^c	34.85^c	35.01^c
B_0.5	158.44^b	157.34^bc	158.27^b	30.44^c	36.34^bc	37.27^bc
B_1.0	161.95^b	160.86^bc	163.17^b	31.95^ab	37.86^bc	38.17^b
B_1.5	165.75^b	163.9^b	166.27^b	33.75^ab	38.39^b	39.27^b
B_2.0	168.19^a	167.93^a	171.88^a	35.19^a	39.93^a	30.88^a
Mean	171.45	162.38	160.92	41.45	59.98	63.12

	Maturity stage
	Cauliflower	Cowpea	Okra	Cauliflower	Cowpea	Okra

B₀	154.57^c	152.74^c	147.61^c	28.57^c	37.74^c	36.61^c
B_0.5	160.87^bc	160.05^bc	152.2^b	32.87^b	38.05^bc	37.20^b
B_1.0	164.66^bc	165.19^bc	158.71^ab	34.66^b	39.19^bc	38.71^ab
B_1.5	168.98^b	169.96^b	163.70^ab	35.98^b	40.96^b	39.70^ab
B_2.0	171.76^a	174.94^a	168.25^a	37.76^a	41.24^a	40.25^a
Mean	171.17	187.78	158.09	71.17	84.18	88.09

*Cis, curd initiation stage in cauliflower; Fls, flowering stage in cowpea; Frs, fruiting stage in okr. The means followed by a different letter are significantly different at p ≤ 0.05 by Duncan’s multiple range test (values are means of 3-replicates).