Table 6 Energy equivalents used in the study for different agricultural operations.

From: Energy and economic efficiency of climate-smart agriculture practices in a rice–wheat cropping system of India

Particulars

Units

Energy coefficients (MJ Unit−1)

References

Input

Human labour

Man-hour

1.96

22

Diesel

Litre

56.31

22

Nitrogen (N)

Kg

66.14

22

Phosphorus (P2O5)

Kg

22.44

22

Potassium (K2O)

Kg

11.15

22

Herbicides, insecticides and pesticides

Kg

120.00

22

Irrigation water

ha-cm

143.56

22

Zinc sulphate (ZnSO4)

Kg

8.40

12

Iron sulphate (FeSO4)

Kg

110.00

12

Rice and wheat seed

Kg

14.70

22,12

Tractor

Kg

93.61

22

Other machinery

Kg

62.70

22

Combine harvester

Kg

87.63

22

Output

Rice and wheat seed

Kg

14.70

22,12

Rice and wheat straw

Kg

12.50

22,12