Long term high yielding capacity of soil depends on

In organic farming farmers

Urea has how much percentage of nitrogen ?

Insecticides are chemicals used to kill

Pesticides and insecticides are used in large quantities in this district.

Identify the friendly insect.

Bacterium lives in the eggs of stem borer

Bacteria that destroy some pests is

After paddy, cultivating black gram prevents

Nitrogen fixing Bacteria

Krisopa, lady birds, beetles are the examples of

Example of algae as nitrogen fixer

Example of phosphorus solubiliser

The fungi used as biofertilizer

Peta and IR – 8 are