Calculate Operating Ratio:

DAPOG method of crop raising is associated with

Plant Quarantine regulatory measures are operative through the "Destructive insects & pests Act, was introduced in India in

Criteria of essentiality by given by:

The important feature of shifting cultivation is ________

Pollarding is done at a height of _____ above the ground level .

Gross profit is -

In 1986 which first transgenic virus resistant plant was produced using virus resistance gene, which generates resistance against virus attack.

As per the principle of crop rotation, pulses should be included in crop rotation as

Which among the following is the largest source of irrigation in India, apart from rains?

Zinc, Boron, Mangenese, Molybednum, Iron and Copper are called micro nutrients, because they are