Question

write the disadvantages of HYV (high yeilding varieties of seed's)

Answer 1

need more water
loss of soil fertile

Answer 2

1. Being dwarf, the high yielding varieties of crops, yields less fodder than the tall, traditional varieties of crops.

2. The high yielding varieties of crops require higher inputs such as more water and more fertilizers as compared to the traditional varieties of crops.

3. The high yielding varieties of crops need more frequent weeding.

4. The high yielding varieties of crops need continuous use of pesticides.

5. The high yielding varieties of crops are generally more susceptible to diseases than the traditional varieties.