In an operating system, what is the purpose of a device

What is maximum optimal temperature for wheat crop?

Liquorice is also known as -

. Root exudation of maize inhibits the growth of: 

Which one is not the principle of system of rice intensification 

Find the suitable word for blank “a”.

Average rate of change in population is estimated by

The full form of MRA is:

Agronomic efficiency is expressed as

Who used the term 'organic farming' for the first time?

Triticale, a man made cereal is a cross between