Q31 of 103 Page 20

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

The fresh crop has more moisture. So, the food grains obtained by harvesting the crop are dried before storage. If freshly harvested food grains are stored without drying, they may get spoilt or attacked by organisms, losing their germination capacity.


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29

Name two methods of irrigation with conserve water.

 30

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.

 31

What are the two ways in which farmers store food grains ?

 32

Out of drip system and sprinkler system of irrigation, which one is more suitable :

(a) for uneven land?


(b) for sandy soil?


(c) for watering fruit plants ?


(d) where availability of water is poor?