The self-made acquisition of fresh ears in 2017 was 1,246,380 kg, the self-made acquisition of fresh ears in 2018 was 1817,106 kg, and the self-made acquisition of fresh ears in 2019 was 2057,950 kg. The purchase price per kilogram of seeds (fresh ears) before the innovation was RMB 5.65, and the purchase price per kilogram of seeds after the innovation. 4.5 yuan, the three-year self-made project saved the company 5,889,651 yuan in cost.
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