Based on a long -term located field e xperiment,risk of different fertilization models in rice field on water environment pollution in a sloped red soil was ass essed by using ceramic tubiformsoil solution collectors.

Two filed experiments located at the south edges of the Loess Plateau were used to study the effects of different cultivation and fertilization models on contents of SMBC,SMBN,SOC and SON in soils.

Exploration of power DSM implementation modes;

This paper mainly puts activity study at its core, taking into consideration the following procedures connected with activity study : analyzing its basic concepts ; explaining its history and theoretical foundation ;discussing its implementation mode; finally reviewing its status quo of implementation ,and thereby putting forward correspondent.

Aiming at the point of foreign researchers on the just-in-time logistics(JIT logistics),according to the different logistics service carriers,this paper divides the implementation mode of JIT logistics into three types,and analyzes each model from the information flow,logistics and the capital flow and so on,and then it compares each model from the carrier,the role and the logistics links,etc.

Starting from the legal position of WTO Agreement, this paper discusses on the theoretical foundation of WTO Agreement and their practice in various countries, and analyzes emphatically on the implementing modes of WTO Agreement, which provide the guiding suggestions for our country to implement WTO Agreement.

It gradually forms the implementing mode of the vocational guidance and business-starting education, which helps the students to find jobs and even start their own business.