Factor

Name

Level

 

1

2

3

Time (day)

F1

10

20

-----

Salt (g)

F2

0.001

0.01

0.05

Activated sludge (ml)

F3

0.02

0.01

0

Bacteria (ml)

F4

0

0.01

0.02

Composting (g)

F5

0.001

0.005

0

Molasses

F6

0.001

0.01

0

Humidity (ml)

F7

0.05

0.1

0.25

Urea (g)

F8

0

0.001

0.005

Table 3: Factors and their levels in the seconds step of experiments per g of soil.