Treatments

Final stand

(plants∙ha⁻¹)

Average number of cobs

Average weight of cobs

(kg∙ha⁻¹)

Diameter of cob (cm)

Length of cob

(cm)

Productivity (Mg∙ha⁻¹)

Corn + NPK + weeding

41,250

1.16

0.11

3.92

15.88

4.37

Corn + weeding

45,000

1.04

0.09

3.42

14.68

3.96

Corn + NPK

35,625

0.82

0.09

3.88

14.42

2.07

Corn + crotalaria

37,500

1.22

0.09

3.87

14.01

3.43

Corn + jack bean

36,875

1.16

0.07

3.64

12.53

1.86