Question

When were HYV seeds introduced? What are their main features?

Answer 1

it was introduced in the year 1970s
1)this seeds give more production
2) hyv seeds have shorter life span and thereby enables the farmers to go for multiple cropping.
3) hyv seeds under optimal conditions require more labour per unit area and thus help in generating more employment opportunities.
4) the adoption of hyv does not require any special skills and farmers of various socia economic and cultural background can adopt the new seeds easily.

Answer 2

here is your answer .......
In 1960s (HYVs)high yeilding varieties of seeds were introduced.                        Their main features are :-                                                                                       1)They helps to improve the agricultural works.                                                     2)They are the modern farming methods.