Cover crops

Zinc levels (mg·kg⁻¹)

Average

0

10

20

40

1. Sunn hemp

63.10b

9.23c

8.47cd

6.27de

22.69cde

2.Smooth crotalaria

54.53b

7.17c

5.03d

4.26e

18.25e

3. Showy crotalaria

64.30b

7.31c

5.69d

4.64e

20.39de

4. Calopo

55.60b

17.20bc

16.49ab

15.47ab

23.48bcde

5. Pueraria

68.52ab

13.22bc

11.17bcd

8.89cd

27.10bc

6. Pigeonpea

54.74b

15.44bc

10.12cd

12.02bc

22.30cde

7. Lablab

54.61b

17.09bc

16.53ab

15.83ab

25.06bcd

8. Black velvet bean

70.17ab

20.64b

13.26bc

13.31ab

29.97b

9. Gray velvet bean

66.95ab

23.83b

14.08bc

9.15cd

29.54b

10. Jack bean

90.96a

41.96a

21.11a

17.09a

40.80a

Average

64.35a

17.31b

12.19c

10.69c

26.14

F-Test

Zn levels (Zn)

**

Cover crops (C)

**

Zn × C

**

CV Zn (%)

20.14

CV C (%)

19.11