Biochar and vermicompost improve growth and physiological traits of eggplant (Solanum melongena L.) under deficit irrigation

Chemical and Biological Technologies in Agriculture

Table 3 The effect of vermicompost, biochar and deficit irrigation on growth of eggplant

Treatment	Shoot DW (g)	Root FW (g)	Root DW (g)	Plant length (cm)	Fruit weight (g/plant)
S1V0B0	548.2 d	155.1 f	62.3 e	93.5 c	499.1 ab
S1V0DPB	588.5 d	207.5 e	86.3 c	96.7 c	511.3 ab
S1V0PB	700.4 b	256.2 b	102.7 b	101.8 c	528.6 ab
S1V1B0	588.3 d	186.3 e	74.7 d	101.7 c	528.0 ab
S1V1DPB	700.4 b	246.4 b	98.7 b	112.7 b	570.9 a
S1V1PB	812.2 a	282.4 a	114.7 a	125.0 a	584.0 a
S2V0B0	448.2 e	126.2 f	50.7 ef	81.5 d	371.4 c
S2V0DPB	504.3 d	176.8 e	70.7 d	87.0 cd	451.8 b
S2V0PB	582.0 d	226.9 c	90.6 c	91.6 cd	464.6 b
S2V1B0	476.1 e	156.6 f	62.3 e	91.7 cd	439.5 b
S2V1DPB	616.4 cd	210.3 e	84.0 cd	96.5 cd	448.5 b
S2V1PB	672.3 c	256.0 b	102.6 b	102.3 c	460.1 b
S3V0B0	392.2 e	94.0 g	38.2 f	79.5 d	360.0 c
S3V0DPB	420.2 e	142.1 f	58.4 e	81.6 d	432.0 b
S3V0PB	532.0 d	191.3 e	78.5 cd	86.8 cd	445.6 b
S3V1B0	392.1 e	126.2 f	50.8 ef	86.7 cd	432.8 b
S3V1DPB	504.5 d	176.8 f	70.3 d	91.7 cd	440.3 b
S3V1PB	588.6 d	226.9 c	90.8 c	101.1 c	452.0 b

B0, no biochar; DPB, 500 g m⁻² date palm biochar and PB, 500 g m⁻² pistachio biochar; V0, no vermicompost and V1, 1500 g m⁻²; S1, 100% water requirement; S2, 75% water requirement and S3, 50% water requirement; FW, fresh weight; DW, dry weight
Different letters within each column are significantly different at P < 0.05 using the Duncan multiple range test