An intelligent fertilizer-pesticide distributor, 【小题1】 (assist) by the BeiDou Navigation Satellite System and big data technology, has been working in the wheat field in Hancun village in Jiangdu county, east China’s Jiangsu Province.

Self-driving tractors and unmanned farming vehicles 【小题2】 (base) on the BDS system have been used to explore precision farming in northwestern Xinjiang Uygur Autonomous Region, northeastern Heilongjiang Province, and at an automated farm in eastern Jiangsu Province. By April, 2019, the BDS system had served more than 50,000 pieces of agricultural machinery, 【小题3】 (save) 10 percent of fuel.