Q33 of 103 Page 20

What are weeds? Name any one weed found in a crop field.

The undesirable plants which grow along with a cultivated crop are called weeds. Wild oat is a weed which is found in wheat crop field.


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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?

 33

How do weeds affect the growth of crops?

 34

Explain how, the irrigation requirements depend on the nature of the crop.