| 1 | The State practices monopoly for the purchase and marketing of ephedrine. | |
| 2 | In the first stage, the nation carried out grain policy of unified purchase and sale. | |
| 3 | The grain crisis in 1953 offered an important opportunity to promulgate the Policy for Unified Purchase and Sale of Grain. | |
| 4 | With the reform of the grain circulation system, grain circulation turns from the unified purchase and vendition to the open market. | |
| 5 | This article explores the rise and the abolishment of the unified purchase and agricultural tax in China. |
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