Rice is produced in wide range of locations and under a variety of climate conditions, from the wettest areas in the world to driest deserts. It is believed to be originated in South East Asia particularly India and Indo-China, where the richest diversity of cultivated races has been recorded. India stands first in rice area and second in production after China. The crop is mainly grown in kharif and in summer season in Navsari, Valsad, Surat, Dangs and Kheda districts of South Gujarat where perennial canal irrigation facilities are available. The popular varieties grown on in South Gujarat...