Table 5 Impact of various treatments on soil pH.

From: Efficacy of various amendments for immobilization of potentially toxic elements in wastewater contaminated soils

Sr. No.

Treatments

pH

Sr. No.

Treatments

pH

T1

Control

8.26a

T15

Soil + biochar @ 2.5% W/W Soil

7.94e

T2

Soil + FYM @ 1% W/W Soil

7.56f,g

T16

Soil + biochar @ 5.0% W/W Soil

7.92e

T3

Soil + FYM @ 2.5% W/W Soil

7.45h,i

T17

Soil + ricehusk @ 1% W/W Soil

8.16b,c

T4

Soil + FYM @ 5.0% W/W Soil

7.44i

T18

Soil + ricehusk @ 2.5% W/W Soil

8.12b,c,d

T5

Soil + compost @ 1% W/W Soil

7.57f,g

T19

Soil + ricehusk @ 5.0% W/W Soil

8.09c,d

T6

Soil + compost @ 2.5% W/W Soil

7.51g,h,i

T20

Soil + wheat straw @ 1% W/W Soil

8.19a,b

T7

Soil + compost @ 5.0% W/W Soil

7.45h,i

T21

Soil + wheat straw @ 2.5% W/W Soil

8.16b,c

T8

Soil + poultry manure @ 1% W/W Soil

8.13b,c,d

T22

Soil + wheat straw @ 5.0% W/W Soil

8.14b,c,d

T9

Soil + poultry manure @ 2.5% W/W Soil

8.07d

T23

Soil + gypsum @ 1% W/W Soil

8.15b,c,d

T10

Soil + poultry manure @ 5.0% W/W Soil

7.94e

T24

Soil + gypsum @ 2.5% W/W Soil

8.13b,c,d

T11

Soil + pressmud @ 1% W/W Soil

8.17a,b,c

T25

Soil + gypsum @ 5.0% W/W Soil

8.11b,c,d

T12

Soil + pressmud @ 2.5% W/W Soil

7.96e

T26

Soil + horse waste @ 1% W/W Soil

7.65f

T13

Soil + pressmud @ 5.0% W/W Soil

7.95e

T27

Soil + horse waste @ 2.5% W/W Soil

7.54g,h

T14

Soil + biochar @ 1% W/W Soil

7.96e

T28

Soil + horse waste @ 5.0% W/W Soil

7.45h,i

Tukey HSD

0.0929

  1. FYM Farm yard manure, W/W weight by weight.
  2. The alphabets e.g., a, b, c represent the statistical grouping of treatments based on their pH values.