Q: 21 (NDA-I/2017)

Consider the following statements pertaining to Coffee plantation in India ;
1. Need warm and moist climate with a spell of diy weather during the ripening period
2. Rolling fields having good drainage
3. Strong sunshine over hilly slopes exceeding temperature 35°C
4. Karnataka is the leading producer in India
Which of the statements given above are correct ?
stats: 
0,32,16,8,0,8,32