To Research The Development Of The Tang Dynasty Southwest Agricultural Economy From The Population And The Political Area Change

Agriculture in the national economy at the foundation of the economy, both the national economy and people's livelihood have played a special and important role. Tang southwest region of the economic development of the agricultural research, not only enable us to better understand what was the southwest region's agricultural economic development profile further deepen our understanding of the Tang Dynasty of the agricultural economy, but also for the development of the western region to provide historical reference.Agricultural economic development and population and the county government changes are closely linked. Tang southwest of agriculture in economic development, the population is mainly from the perspective of political process. On the study population, which is mainly to "XinTangShu", "old Tang," "dollars and counties Maps", "General Institutions" "Comprehensive Mirror," "Datang six Code", 'Tang will", "List House yuan turtles" "The Book" and other literature and fully absorb the level of research to complete. Tang southwest region of the population changes : from the early to mid - until late has been on the rise. rather significant growth trend. The Tang Dynasty southwest population geographic distribution, has formed as a whole take the Chengdu plain as the center, the characteristic which to the peripheral knoll, the mountainous region and the plateau decreases progressively gradually. At the same time, between the local population distribution is not very balanced west, the east, northeastern part the population density is higher than, the north west far, the population distribution presents approximately from northeast the tendency which reduces gradually to the southwest. On the other hand this from has verified the Tang Dynasty southwest agricultural economy development basic situation. Tang Southwest agricultural economic development and population close relationship: changes in the population. then southwest region's agricultural economic development of a true portrayal of the situation; geographical distribution of population changes It is the southwest region's agricultural economy back to prosperity and development evolve changes.County Administrative Region of change of the inspection, it is mainly through the aforementioned literature conducted. Through screening, the Tang dynasty southwest new home Zhenguan period of 16 counties, Zhenguan to Tianbao, 41 new home county, Tianbao new home after 13 counties. Aggregate new county-level administrative region of the change of the main characters are : 1. From the distribution of the region, mainly concentrated in Jiannan Road, Secondly, Shannan, is again Guizhou Road. 2. From the layout of the variation, with a number of regional centers outside fragmented; By the two sides to the river depth extension of the hinterland. County and the new home of the growth in the number of expanding the acreage of farmland, at the end of the reclamation and field crop diversification.Tang Southwest agricultural economic development and administrative areas close : 1. County Administrative Region of the variation. reflect the development of the agricultural economy of space to expand; County Administrative Region of the gain reflects the depth of the development of the agricultural economy of the increase.In the Tang Dynasty of the population and political changes, the Jiangnan region and the Southwest region, the Central Plains, Northwest Territories, the obviously has the following characteristics : the early stage in the forefront, medium is more backward, late have been enhanced. This is Tang southwest region in the national economic development of the position accurately reflects.