Study on Enzyme Activity in Hilly Red Soil Resumed by Different Vegetations;

Agricultural ecosystem productivity of typical drainage areas found in valleys of hilly areas on loess plateaus: A case study on Zhifanggou;

Improvement of Magnesium Nutrition for Tea Gardens on Hilly Red Soil in the Southern Hunan Province;

Aiming at the currently shortcomings of pumping irrigation system planning in cascade pumping stations in hilly areas, the authors establish a mathematical planning model with the objective of minimum annual cost of the pumping irrigation project, and introduce the solution method of DDDP (Discrete Differential Dynamic Programming) to solve the model.

Production of fruit cane in hilly area helps to prosper the local fruit market,promote life quality of residents, improve income of farmers.

Through analyzing the transect factors and stability of stone bank and soil bank constructed in Shijia village, Pingyi county,and based on actual condition of the hilly area,optimal design was carried out to the parameters of terrace building,an optimal mathematical model was established.

Through the model, a soil erosion class map of a red clay hilly land in Xiaohuashan region was drawn.

Technology in Two Wings of Roads Vegetation Restoration in Hilly of Dalian

This paper introduces a set of regional atmosphere environmental quality prediction systems suitable for coastal hilly topography condition.

The characteristics of emergences of rock landslides and soil landslides in different zones of the low mountain hills and river valley, and the relationships among the distribution of landslides and elevation, landform, triggering factors are also studied.

Study and application of boosting water injection in Qiuling oilfield;

A study on the distribution rule of the remaining oil of Sanjianfang reservoir in west Ling 2 area, Qiuling Oilfield;

The rules of movement of injection water in the west of Ling 2 block of Sanjianfang Group of Qiuling Oilfield;