Question

disadvantages of high yielding variety give at least four disadvantages with brief points​

Answer 1

Answer:

The major disadvantage associated with HYV seeds is bigger requirement of irrigation facility, chemical fertilizers and pesticides to produce best quality yield. Higher yields are possible only from the combination of HYV seeds, better irrigation facility, good amount of chemical fertilizers and pesticides.

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Answer 2

Answer:

Disadvantages are :-

1. It is not ecofriendlly.
2. It barren the land if used frequently.
3. Excessive use of pesticides is Harmful.
4. Food that we eat may contain harmful component.
5. Fertilizer can make eutrophication in nearby land.
6. Expensive to farmers.
7. Field can show drawbacks and side effect.
8. Also if farmer have less knowledge about them cannot handle it.