Han Shandong Agricultural Geography

Agriculture of western Han dynasty and eastern Han dynasty is not only better developed than such area as Jiangnan, but also guanzhong .Agriculture of Shan dong province has longstanding history. Both agricultural product skill and agriculture product quantity are the first place all over the country at that time. Agriculture is the most important factor of agricultural economy in antiquity. Western Han dynasty and eastern Han dynasty population is tremendous, there are many kinds of natural resources. Western Han dynasty and eastern Han dynasty agricultural development research is the most important thing to guide modern agriculture development, but western Han dynasty and eastern Han dynasty agriculture development research is scare , hence western Han dynasty and eastern Han dynasty agricultural development research has great value.Firstly , to discuss western Han dynasty and eastern Han dynasty agriculture development environment can not be divided from natural and human background .Here is the mainly discussing about nature factors of climate,vegetation,soil and water resource and human factors of administrative area,population,agriculture police and so on. The analysis not only includes their advantages but also some disadvantages.Secondly, be about to discuss western Han dynasty and eastern Han dynasty agriculture product skill application and extending. In this part, we mainly discuss western Han dynasty and eastern Han dynasty agriculture product took agriculture cultivate police and agriculture water .The most important Han dynasty agriculture characteristic is the application of iron farm tool and skill about applying cattle to cultivate field , from agriculture cultivate police , the most expressive thing is district farmland and replace farmland. People think the manure is very important to agriculture in eastern Han dynasty, know about collect manure and use it, with the local government help and guide, the agriculture made great improvement.Thirdly, I will introduce western Han dynasty and eastern Han dynasty crops implantation and distribution. In this part I am about to discuss western Han dynasty and eastern Han dynasty crops and other economical crops. Four kinds of important crops are introduced ,such as: millet,wheats bean and paddy, I also analyze their circumstance about cultivate and district. Due to the limitation of material, only two kinds of economical crops are introduced: mulberry and hemp.Fourthly, I will introduce some agricultural nature disasters of western Han dynasty and eastern Han dynasty. In this part I will introduce some climate disaster, sea disaster and worm disaster, showing time of disaster,location and disaster affection.All in all, my thesis makes great efforts to rehabilitate western Han dynasty and eastern Han dynasty agriculture , making use of history and geography research way ,I discusses western Han dynasty and eastern Han dynasty agriculture development environment,agriculture product skill and spread and so on .Then I try my best to rehabilitate the constitution and distribution of crops of that time, In the end I will Introduce some kinds of destroyed effects of agricultural nature disasters to western Han dynasty and eastern Han dynasty agriculture of Shandong.