Which of the following relations for measuring Crop Diversification (CD) was devised by Bhatia?
1
\({CD}=\frac{1-\Sigma x^2}{(\Sigma x)^2}\)
2
\( {CD}=\frac{\text { Total cropped area under ' } x \text { ' crops }}{\text { Number of ' } x \text { ' crops }}\)
3
\({CD}= \rm \frac{ Percentage \ of \ total \ harvested \ area \ under \ n \ crops }{ Number \ of \ n \ crops }\)
4
\(\mathrm{CD}=\frac{\text { Gross cropped area }}{\text { Number of crops cultivated }}\)
5
Question Not Attempted