The main reason why the grain left by the Sui Dynasty was able to serve the Tang Dynasty for 50 years was that the Sui Dynasty carried out large-scale grain reserves and agricultural development during its reign. Here are the possible reasons:
Granary construction: During the reign of the Sui Dynasty, the construction of granaries was vigorously promoted, and many grain warehouses and reserve points were established. These granaries are distributed in various places, ensuring that the amount of grain reserves and distribution is balanced, which is helpful for coping with famines and wars.
Farmland Reclamation and Development: The Sui Dynasty actively promoted the reclamation and development of farmland, and adopted measures such as farmland expansion and irrigation facility construction, which greatly increased the cultivated area and yield of farmland. This allowed the Sui Dynasty to obtain an adequate supply of food and to reserve it.
Emphasis on agricultural management and technology: The Sui Dynasty focused on the development of agricultural management and technology. Agricultural production efficiency and output have been improved by improving agricultural tools, planting excellent crop varieties, and providing agricultural technical guidance.
Stable political situation and social order: Compared with other turbulent eras, the political situation during the reign of the Sui Dynasty was relatively stable and the social order was relatively good. This provides a good environment for the normal cultivation of farmland and grain harvesting, ensuring sufficient grain ** and reserves.
Economic and fiscal policies: The Sui Dynasty implemented a series of economic and fiscal policies to encourage agricultural production and the accumulation of wealth. This includes policies such as reducing peasants' burdens, reducing taxes and exempting taxes, and encouraging agricultural development and grain reserves.
To sum up, the grain left by the Sui Dynasty can last for 50 years in the Tang Dynasty, mainly thanks to the efforts and investment of the Sui Dynasty in agricultural development, granary construction, farmland management and technology, political stability, and economic and financial policies. These measures allowed the Sui Dynasty to accumulate large grain reserves, providing sustainable food for later periods**.
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