Disadvantages of high yielding varieties


 
 
Concept Explanation
 

Disadvantages of high yielding varieties

Disadvantages of high-yielding varieties:

1.   Produce less fodder: The plant parts that are left over after the grain harvest are used as fodder. Hybrid varieties yield less fodder than traditional varieties because they are shorter.

Higher inputs: HYVs require more water and fertilizers. They also need pesticides at every stage of growth and more frequent weeding.

Sample Questions
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Question : 1

_______________________ need pesticides at every stage of growth and more frequent weeding.

Right Option : A
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Question : 2

Hybrid varieties yield ______________ fodder than traditional varieties because they are shorter.

Right Option : A
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Question : 3

Which of the following are correct :

(a) High yield varieties require more water and fertilizers.

(b) High yield varieties need pesticides at every stage of growth and more frequent weeding.

Right Option : C
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Explanation
 
 
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