Chain pump system is a _____ system of irrigation.

The method in which the field is just filled with water is called

In _______ method different crops are grown alternately.

One of the biggest canal project in India is

Grains are separated from the stallks by the process of

The bacteria in leguminous plants fix _____ .

Through ______ plants get water for germination.

Grains are separated from the stalks by the process of

Before ______ the land must be watered.

Choose the fermented food