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Crop outputs grew up to 100% in China’s big agricultural experiment: scientists

Large-scale field trials across China show that irrigation water treated with natural minerals radiated by sunlight could dramatically increase the yields of several crops, according…

By Samantha Johnson / October 2, 2026

Large-scale field trials across China show that irrigation water treated with natural minerals radiated by sunlight could dramatically increase the yields of several crops, according to Chinese scientists behind the experiments.

The team said the trials, including on rice, wheat, soybeans, peanuts, sweet potatoes, sugar cane and vegetables, improved photosynthetic efficiency.

Their study, conducted from Heilongjiang province in northeastern China to Hainan province in the south, recorded yield increases of up to 40.6 per cent for rice, 24.7 per cent for wheat and 45.7 per cent for sugar cane, according to the scientists who said one sweet potato trial recorded an increase of 109.5 per cent.

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Lu Anhuai, the lead scientist of the team and a professor at the School of Earth and Space Sciences at Peking University, said the approach could offer alternative ways of increasing agricultural production, such as improved crop varieties and fertilisers, by using irrigation water to improve how efficiently plants use sunlight.

“This is a new track,” Lu said in an interview on September 22.

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