article_snippet.sent: Rice is a staple food for more than one-half the world's population, but for many consumers, Rice origin remains somewhat of a mystery.
article_snippet.sent: The crop accounts for one fifth of all calories consumed by humans and 87 per cent of The crop is produced in Asia.
article_snippet.sent: The crop is also the thirstiest crop there is - according to the UN, farmers need at least 2,000 litres of water to make one kilogram of rice.
highlights_snippet.sent: Rice accounts for one fifth of all calories consumed by humans but crop is often still cultivated in primitive way .