Cover crops

Zinc levels (mg·kg⁻¹)

Average

0

10

20

40

1. Sunn hemp

3.01c

3.38d

2.54d

2.75c

2.92d

2. Smooth crotalaria

0.66de

1.07ef

1.13ef

0.70e

0.89fg

3. Showy crotalaria

1.08de

1.24ef

1.23ef

0.96de

1.13f

4. Calopo

0.38e

0.83f

0.79f

0.94de

0.74g

5. Pueraria

0.57de

0.78f

0.83f

0.74e

0.73g

6. Pigeonpea

1.18d

1.60e

2.04de

2.03c

1.71e

7. Lablab

3.46c

7.73b

7.96b

5.69b

6.21b

8. Black velvet bean

5.35b

6.49c

7.55b

6.61b

6.50b

9. Gray velvet bean

3.03c

7.67b

5.83c

1.85cd

4.59c

10. Jack bean

7.95a

9.27a

9.98a

9.31a

9.13a

Average

2.67c

4.01a

3.99a

3.16b

3.45

F-Test

Zn levels (Zn)

**

Cover crops (C)

**

Zn × C

**

CV Zn (%)

9.53

CV C (%)

8.30