Study External Upland Grain Crops Were Introduced To The Southeast Of Guangxi And The Integration Of National Economy

In the late Ming Dynasty, maize and sweet potato and potato were introduced to China, which caused the second grain production revolution in the history, and has taken the huge economic and social benefits.At the same time a profound effect has militated on people’s production and life style. At present, as grain crops,maize, sweet potato and potato have occupied an important position and play a significant role in our country and even in the global economy. In the trend of the continuous development of the global economic integration, the world and the nation’s economic become more closely lined become more closely lined. Economic integration is an important way to promote national progress and achieve modernization. The motive force of historical development is multiplicity.The communication of the outside crops is an important power to change the world states, regions and nations. Based on these factors, I will take the southeast of Guangxi as research perspective, and maize, sweet potato, potato as the carrier,and then take the research point of economic interaction, according to local history information and other relevant information to study. And to change the sown area of maize,sweet potato,potato and other upland crops and its yield was the basis of the study. This paper will in-depth explorate the powers of maize, sweet potato, potato that propagate in the southeast of Guangxi,and investigating focuse on the implementation process of the "localization",and the social,political, economic factors that behind the communication process.This paper will also analysis the exercise of the migrationeffect that on maize,sweet potato,potato,dialysising the relations of the cultivation of maize,sweet potato,potato as grain crops and the commodity economy and the integration of national economy.This paper is divided into five parts:the first part is the review and prospect of external upland grain crops research into China and the innovation of this article; the second part outlines the natural conditions of upland farming production of the southeast area of Guangxi; the third part investigate the historical background of maize,sweet potato,potato were introduced to southeastern Guangxi, and the time and ways, analysis the power and style of the communication;the fourth part is from cropproduction areas and areas of life to research the influence of maize, sweet sweet potato,potato in southeast of Guangxi; the fifth part is narrat the characterization of the maize and sweet potato and potato to promote national economic integration; analysis the factors that promote the planting of external upland grain crops and the integration of national economy.