Enhancing maize resilience to drought stress: the synergistic impact of deashed biochar and carboxymethyl cellulose amendment

Table 3 P-value of main and interaction effect of deashed biochar (DAB) and carboxymethyl cellulose (CMC) on photosynthetic rate, transpiration rate,, stomatal conductance, leaves nitrogen, leaves phosphorus, leaves potassium, root nitrogen, electrolyte leakage, POD, SOD, catalase, ascorbic acid, H₂O₂, MDA and root phosphorus under no drought and drought stress

Treatments	Photosynthetic rate	Transpiration rate	Stomatal conductance	Leave Nitrogen	Leave Phosphorus	Leave Potassium	Root Nitrogen	Electrical Leakage	POD	SOD	Catalase	Ascorbic acid	H₂O₂	MDA	Root Phosphorus
		No Drought Stress
DAB	0.10	0.18	0.06	0.016	0.01	0.09	0.02	< 0.02	0.09	0.12	0.01	0.01	0.08	0.02	0.11
CMC	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01	< 0.01
DAB×CMC	0.85	0.99	0.76	0.76	0.60	0.51	0.02	0.92	0.48	0.284	0.49	0.08	0.93	0.95	1.00
		Drought Stress
DAB	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
CMC	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001	< 0.001
DAB×CMC	0.54	< 0.001	0.041	1.00	0.04	0.017	< 0.001	< 0.001	< 0.001	0.587	0.587	0.539	0.199	0.11	0.02

ISSN: 1471-2229