The field was levelled with a .......... pulled by oxen.

.........was used to remove weeds.

When the crop was ripened it will be harvested with a...........

In olden days entire process of agriculture needs lot of labour.

Modern tools and machines made agriculture.......

Expansion of HYV.

Water wheels, tube wells and canals help......fields.

...........is a machine which reaps, harvests, packs the harvest in a short time.

HYV seeds require.......amount of water.

Idly and dosa are made of .........

............is separating grain from husk.

Over use of water has lowered the ground water table.

.......... protect crops from insects.

HYV require more fertilizer.