Measure of each interior angle of a regular polygon can

Enzymes are by nature:

What is the recommended fertilizer dose ratio for cereal crops?

Which color sticky traps are used for aphids and white fly? 

The correct sequence of plant nutrients that shows deficiency symptoms on older leaves is:

For determination of soil microbial biomass, carbon extracting agent used is

National Income means

Which of the given is not a straight fertilizer?

Family of sweet potato is:

Grass tetany is caused by:

Harvest index of 19% (lowest among pulses) is observed in which crop?