Question

what r positive and negative effects of hyv seeds

Answer 1

Positive :
1 . it has increased the production of food grains by many times. 
2 . it has also increased the standard of living of farmers.

Negative :
1.it was not suitable for poor farmers as it requires huge amt of capital.
2. it decreased the soil fertility of land due to continuous use of chemical fertilizers. 
3. it also reduced the ground water level due to continuous use of ground water for irrigational purposes.