The measurement on China＇s rural marketization has got many remarkable achievements.This article will summarize and compare these achievements from measuring standard,index systems,summarizing methods and results.In order to provide valuable lessons for the further measurement.

In 2006,the National Travel Agency determined the traveling theme is ＂2006 China rural tourism ＂, vigorously developing the rural tourism in the national scope, which means the rural tourism starts to enter a new stage. This paper studies the origin of rural tourism in our country and the present research situation at home, as well as the concept of rural tourism. The paper discussed problems concerning the development of rural tourism, and also makes profound strategies into issues relating to the development of rural tourism.

China＇ s Agricultural Products and Chain Operations of Agricultural Material as the newly emerging thing have been making great progress on and on. After analyzing the present situation of China＇ s Agricultural Products and the Chain Operations of Agricultural Material and the problems presenting, discuss the prospect of it and propose the reasonable policy supporting for improving China＇ s Agricultural Products and Chain Operations of Agricultural Material.

In China, Dual economic structure results in Capital Liquidity Preference which accelerates the rural fund outflow. Therefore, to reduce the rural fund outflow and withdraw the rural fund, that s necessary to improve the investment condition of rural area and function of financial institution according to the law of Capital Liquidity Preference.

Beginning the ＂rural labor worker abundance ＂in the 1980s of the 20th century ,now has changed the ＂rural labor worker shortage＂in some places. There has been a more obvious change in China＇ s economic field since the policy of reform and opening. This paper is trying to discuss the cause that forms the ＂shortage of rural labor workers from an aspect of the economics, and also gave us much thought and inspiration： How to treat the rural labor workers.

Aiming at resolving the breeding problem of confection sunflower, canonical correlation analysis was used for its main characters in this research. The results showed that the relationship between the yield/morphological characters and growing period was caused by the seed yield/grain number per head and the stem length/leaf number. The above results can be used as scientific evidences for hybridization breeding of confection sunflower.

The analysis of soil quick-acting potash and slow-acting potash in Datong＇ s seven counties and two districts shows that the average content of quick-acting potash in soil is 105.3mg/ kg, slow-acting potash in soil is 714.6mg/kg. The soil in which the content of quick-acting potash is less than 100mg/kg is over 50%. Through years of experiments and demonstration, it shows that the application of potash fertilizer to crops liking potash such as potatoes, vegetables etc, has clear effect on increasing production and the rate of growth is 8%-20%. In this paper,some rational suggestions on the application of potash fertilizer in Datong area to the major potato yielding field are also advanced.

Bemisia tabaci can induce silver appearance in the vein, cuticle, and xylem of green radish. The relationship between feeding population of Bemisia and silver appearance rate is direct ratio： the higher density of bemisia, the higher ration of silver appearance in vein, cuticle, and xylem of green radish. The ration of silver appearance in xylem of green radish was under 10% when the Bemisia density was under 40 on each radish plant.