Table 3 Environmental impacts of laser land levelling technology

 Facilitated pest control

2

2.22

22

14.6

51

33.8

70

46.4

7

4.6

 Weeds density

3

2.18

19

12.6

52

34.4

68

45.0

11

7.3

 Coping with drought

5

2.12

22

14.6

46

30.5

67

44.4

13

8.6

 Soil fertility

3

2.18

20

13.2

44

29.1

73

48.3

13

8.6

 Soil erosion

1

2.26

14

9.3

50

33.1

76

50.3

10

6.6

 Soil compaction

7

1.76

29

19.2

43

28.5

50

33.1

28

18.5

 Soil salinity

8

1.74

23

15.2

45

29.8

49

32.5

32

21.2

 Retention of crop residues

1

2.26

15

9.9

60

39.7

68

45.0

7

4.6

 Mixing the soil with crop residues

6

2.04

21

13.9

53

35.1

59

39.1

16

10.6

 Underground waters pollution

9

1.63

32

21.2

44

29.1

42

27.8

32

21.2

 Fossil fuel pollution

10

1.61

37

24.5

37

24.5

45

29.8

30

19.9

 Terricolous organisms diversity

11

1.56

32

21.2

40

26.5

40

26.5

36

23.8

 Beneficial insect attraction

12

1.33

27

17.9

32

21.2

34

22.5

52

34.4

 landscape attractiveness

4

2.13

22

14.6

56

37.1

62

41.1

10

6.6