Name two methods of irrigation with conserve water.

Name one crop which can tolerate standing water (water-logging) in the field and one which cannot.

Which is the best time for the removal of weeds?

Fill in the following blanks:

(a) The same kind of plants grown and cultivated on a large scale at a place is called ………………….

(b) The first step before growing crops is ......._........of soil.

(c) For growing a crop, sufficient sunlight, .........., and ............. from the soil are essential.

(d) Damaged seeds would ........... on top of water.

(e) Crop rotation helps in the replenishment of soil with ..............

(f) The supply of water to crops at different intervals is called ..............

(g) The unwanted plants present in a crop field are called...............

(h) Dried..............leaves are used for storing food grains at home.

(i) Many people living in the ..........areas consume fish as a major part of their diet.

Why is it is necessary to dry the harvested food grains before storage ?