Early in the 20th century, for example, probably over 100,000 folk varieties of rice were cultivated in Asia, with at least 30,000 in India alone.
20. sajandi algupoolel kultiveeriti näiteks Aasias arvatavasti üle 100 000 kohaliku riisisordi, kusjuures ainuüksi Indias kasvas vähemalt 30 000 sorti.