Compost and vermi compost are

Chloropyriphos is used as pesticide against

In 1973 Karl Von Fri sch was given Nobel prize for deciphering ______ language.

In Tamilnadu Namakkal is famous for

The main source of biofertilizers are

Waggle dance is a communication method used by

Which  is one of the breeds of Indigenous fowls in India?

We must _______ the use of fertilizers and manures to suit the long term and short term need of plants.

Anabaena is a

Monoculture is a term used in