Question

What are the limitations related to the production of high yielding varieties of crops ?

Answer 1

High-yielding varieties (HYVs) of agricultural crops are usually characterized by a combination of the following traits in contrast to the conventional varieties:

higher crop yield per area (hectare)

dwarfness

improved response to fertilizers

high reliance on irrigation and fertilizers - see intensive farming

early maturation

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Answer 2

Disadvantages of high yield crops

The high yield crops require more water and fertilizers as compared to the normal varieties of crops.

They require frequent weeding.

Continuous use of pesticides.

The high yield crops, when compared with the traditional varieties are generally more susceptible to diseases.

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