Case number

Sample site

Land use

Source of organic manure

1

DZ research center

Uncultivated

None

2

Private commercial Farm

Cropland

Animal

3

Crop rotation plot

Cropland

Plant

4

Minimum tillage

Cropland

Plant

5

Farmyard manure plot

Cropland

Animal

6

Compost plot

Cropland

Plant

7

Recycling residue

Cropland

Plant

8

Communal grazing

Grazing

Animal

9

Fenced

Uncultivated

None

10

Mechanized farming

Cropland

None

11

Effluent contaminated

Chemical disposal

None

12

Effluent contaminated

Chemical disposal

None

13

Effluent contaminated

Chemical disposal

None

14

Abattoir waste disposal

Chemical disposal

Animal

15

Swampy disposal site

Grazing

Animal