Table 2 Interaction effect of the CA-based CEP and nutrient management on the system productivity (± S.D.) in terms of MGEY during the 7 years of the study in the maize–chickpea rotation.

6.35^cde ± 0.31

5.39^c ± 0.12

3.79^d ± 0.66

6.33^bcde ± 1.18

9.18^cd ± 1.23

9.5^b ± 0.52

8.51^c ± 0.45

6.76^cd ± 0.15

6.26^abc ± 0.69

5.48^abc ± 0.36

7.84^ab ± 0.80

11.5^ab ± 1.54

10.9^a ± 0.40

11.2^bc ± 0.88

7.54^bc ± 0.37

6.82^ab ± 1.10

6.08^ab ± 0.60

8.83^a ± 0.85

12.3^a ± 0.69

11.1^a ± 0.41

14.4^a ± 4.59

5.82^de ± 0.07

5.49^bc ± 0.30

4.56^bcd ± 0.71

5.79^de ± 1.02

10.4^bc ± 1.21

10.9^a ± 0.77

10.1^bc ± 0.84

9.07^ab ± 0.12

6.63^abc ± 0.67

6.72^a ± 0.87

6.93^bcd ± 1.67

11.8^ab ± 1.26

11.3^a ± 0.43

11.1^bc ± 0.51

9.54^a ± 0.77

7.48^a ± 0.34

6.79^a ± 0.70

7.81^abc ± 0.91

11.5^ab ± 1.27

11.6^a ± 0.72

12.3^ab ± 0.40

4.96^e ± 0.96

5.77^bc ± 1.64

4.48^cd ± 0.84

5.13^e ± 0.61

9.12^cd ± 1.43

7.87^c ± 0.29

9.16^c ± 0.5

7.93^abc ± 0.75

6.01^bc ± 0.13

5.81^abc ± 1.07

6.11^cde ± 0.70

9.64^cd ± 1.23

8.27^c ± 0.09

8.73^c ± 1.07

7.48^bc ± 0.19

6.29^abc ± 0.29

5.82^abc ± 0.68

6.84^bcde ± 0.49

8.34^d ± 0.81

7.89^c ± 0.37

9.16^c ± 0.49