Soil Charteristics

Vertisol

Ferrosol

Total N (%)

0.15

0.22

NO3-N (mg-Kg-1)

9.00

7.00

NH4+-N (mg-Kg-1)

3.00

3.00

Phos (mg-Kg-1)

138

29.0

P Olg (mg-Kg-1)

48.9

7.20

K (mg-Kg-1)

506

256

Organic C (%)

1.96

2.52

Fe (mg-Kg-1)

2613

2285

S (mg-Kg-1)

3.60

10.7

pH (H2O)

7.40

6.40

pH (CaCl2)

6.10

5.40

EC (ds m-1)

0.06

0.06

BD (Kg L-1)

1.10

1.20

Texture

3.00

3.50

Gravel

Nil

Nil

Colour

Dark Brown

Orange

Classification

Heavy Clay

Clay

Table 2: Characterisation of vertisol and ferrosol used in the greenhouse trial.