Table 6 Impact of the food-biochar application on the soil’s nutrient levels under salinity stress

Medicago sativa

Control

0.08 ± 0.01^e

51.31 ± 0.25^d

5.23 ± 0.01^b

4 ± 0.02^b

Biochar

0.15 ± 0.01^c

53.27 ± 0.66^c

6.60 ± 0.05^a

5.01 ± 0.02^a

Amaranthus caudatus

Control

0.11 ± 0.01^e

56.2 ± 1.35^b

3.02 ± 0.05^e

3.21 ± 0.01^d

Biochar

0.13 ± 0.01^d

66.8 ± 0.36^a

3.56 ± 0.09^d

3.96 ± 0.01^c

Zea mays

Control

0.19 ± 0.01^b

52.3 ± 2^cd

3.41 ± 0.01^d

2.76 ± 0.01^d

Biochar

0.24 ± 0.01^a

67 ± 0.88^a

3.81 ± 0.05^c

2.97 ± 0.06^d