Is China planting cotton with a ruler?

Cotton planting is in full swing across northwest China's #Xinjiang Uygur Autonomous Region, with over 3 million mu (200,000 hectares) of land seeded by mid-April. The rows are so straight and perfectly spaced they look like a grid from above. The secret is #BeiDou-navigated smart seeders, which realize laying mulch, seeding and drip tape in one pass. Guided by China's homegrown satellite system, one machine covers 150 mu per day and the straight-line error is less than 2 centimeters. Spring plowing has never looked so satisfying!


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