Treatments

Recommend NPKS fertilizers with soil amendments

Soil pH

(1:5 with H₂O)

EC

(dS/m)

OM

(%)

T-N (%)

Av-P (ppm)

Av. S

(ppm)

Exchangeable cations

(meq./100 g)

Water soluble Fe (mg/kg)

Water soluble

${\text{SO}}_4^{2-}$ (mg/kg)

Na^+/K⁺

Na^+/Ca²⁺

Ca

K

Na

T1: (No NPKS, No amendments)

7.8

7.6

1.6

0.11

29.8

14.6

1.9

0.61

4.9

0.95

21.5

8.03

2.57

T2: NPKS (100% + No amendments

7.7

7.5

1.9

0.41

31.6

20.5

2.5

1.45

4.7

1.6

25.6

3.24

1.88

T3: NPKS (75%) + Trichocompost

7.6

6.7

2.5

0.49

33.5

23.6

3.3

1.87

4.3

2.5

30.5

3.0

1.30

T4: NPKS (75%) + Tea waste compost

7.2

6.5

2.3

0.55

35.6

28.3

3.5

1.70

4.4

3.30

41.7

2.58

1.23

T5: NPKS (75%) + Azolla compost

7.7

6.6

2.7

0.63

36.5

27.6

3.7

2.25

4.7

3.15

39.8

2.0

1.27

T6: NPKS (75%) + Phosphogypsum (PG)

7.3

6.3

2.0

0.48

35.6

29.5

4.5

1.89

4.1

2.9

45.6

2.16

0.91

T7: NPKS (75%) + Trichocompost + Proline

7.5

6.2

2.6

0.57

37.5

25.7

3.6

2.17

4.5

2.8

37.3

2.07

1.25

T8 NPKS (75%) + Tea wastecompost + Proline

7.1

6.1

2.5

0.59

36.7

30.6

3.8

2.10

4.3

3.35

45.7

2.05

1.13

T9 NPKS (75% + Azolla compost + Proline

7.5

6.3

2.8

0.68

38.6

29.8

3.9

2.36

4.6

3.45

43.6

1.95

1.18

T10 NPKS (75%) + PG + Proline

7.2

6.2

2.2

0.57

36.9

31.3

4.8

1.95

4.0

3.30

49.5

2.05

0.83

LSD_0.05

0.25

0.10

0.30

0.12

2.6

2.3

0.8

0.25

0.20

0.15

4.5

0.20

0.25

Level of significance

NS

*

*

*

*

**

**

**

*

**

***

**

**