Treatment

Type of organic fertilizer(amount used)

1

Cow manure (8 m³/Donum)^*

2

Sheep manure (6 m³/Donum)

3

Poultry manure (3 m³/Donum)

4

Pigeon manure (2 m³/Donum)

5

Chemical fertilizer (NPK) 20-40-25 kg/Donum

6

Control (no fertilizers)