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Potato famine occurred in Ireland due to pest attack on the complete crop due to monoculture, this is of using________________

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Potato famine occurred in Ireland due to pest attack on the complete crop due to monoculture, this is of using________________

(a) Pesticides

(b) Nitrogen

(c) High yielding varieties

(d) Crop rotation

I got this question in my homework.

My question is taken from Adverse Effects of Modern Agriculture on Soil and Water Resources in portion Natural Resources of Energy Management

1 Answer

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Right answer is (c) High yielding varieties

The explanation is: High yielding varieties (HYV) are used in modern agriculture to produce more crop yield. HYV are irrigation and chemical fertilizers intensive. Hence by using excessive chemical fertilizers and pesticides some useful pests also gets killed.

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