For Zhao Jincheng, a grain grower in east China's Shandong Province, a bumper harvest is certain for the year as a whole. Zhao, in Houguai Village, Qihe County, has just completed the harvesting of his 120 mu (8 hectares) of corn, located in the core area of the county's 300,000 mu of high-quality farmland. His land is equipped with various smart devices that monitor the situation regarding soil moisture, crop growth and insects. The average yield of corn per mu is more than 950 kg, about 150 kg more than last year, said Zhao.
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