General Knowledge Ecology and Environment

We can maintain the fertility of soil by:

1

leaving it uncultivated for two or more seasons

2

adding more fertilizers

3

intensive cropping

4

planting more trees

Sponsored

hivanix.in

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters