Which of the following factors are responsible for the higher Sugarcane production in tropical regions as compared to sub-tropical regions of India ?
I. Cool nights with clear skies
II. Latitudinal position
III. Long hours of sunshine
IV. High temperature disparity
Choose the correct answer using the codes given below:
1
I and II only
2
I, II and III only
3
I, III and IV only
4
I, II and IV only