More rice terrace wonders

Also at Yunnan Agricultural University I got a brief glimpse of some absolutely fascinating research from the Yuanyang rice terraces, which rival those of Banaue in age and extent. Professor Wang Yunyue, who just happens to be the wife of Professor Zhu, has been studying the agriculture of the Hani people who have cultivated the terraces for at least 1300 years. Modern hybrids have been introduced from time to time, but the Hani always abandon them after a couple of years, usually because they are no longer resistant to the diseases they were brought in to combat. Instead, the Hani continue to grow their traditional landraces.

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