Question

What are the different factors for crop variety improvement? Explain any three in detail.

Answer 1

breeding

suitable crop resistance

bio remedy

Answer 2

Answer:

1.methods of crop variety improvement :-

*by using fertilizer such as urea,ammonium nitrate and ammonium sulphate

*by manures - such as cow dung .

*by crop rotation method - the process of sowing cereal crops alternate to leguminous crop