soil erosion造句

Trees limit soil erosion; some "fix" the soil with nitrogen.

Soil cannot regenerate, so please prevent soil pollution and desertification, and reduce soil erosion.

Not only did soil erosion effect soil nutrients loss, but also promote soil weathering.

About 66% of soil erosion area, its soil erosion grade has no changed. All these mean that soil erosion in this county is lowering obviously.

On the slope of gully, gravity erosion are serious, and the soil erosion intensity gradually increased.

Heavier rainfall could also cause soil erosion and landslides.

The hazards of sandstorm and soil erosion are serious.

Severe deforestation has accelerated soil erosion and reduced productivity.

The predictions facilitate water and soil conservation, provention of soil erosion and division.

Fine roots could also improve soil permeability effectively to decrease runoff and weaken soil erosion.

It is important to reveal the law of soil erosion and develop soil erosion forecast model, which has a bearing on preventing the loess of water and soil.

The main way of soil erosion are wind erosion and water erosion, which have been studied for long time and primary understood the process.

The Limburg Soil Erosion Model (LISEM) is a published example of this language, and it is a physically-based hydrological and soil erosion model on a catchment scale.

A study on soil erosion and soil nutrient during the process of ecological restoration was made in Bishan county by using erosion monitoring method of natural sbpe.

Increased soil erosion worldwide not only results in more soil being blown but spreading of disease microbes and various toxins.

The water permeability below the red soil surface layer is not the main factor that induces soil erosion.

Relationship between agroforest landscape and soil erosion intensity in Minjiang headwater region

Meanwhile, slope gradient had a great impact on purple soil erosion processes.

Therefore, different tillage methods were set up to carry on soil erosion experiment.

Deforestation leads to soil erosion and rivers being silted, which reduces.

Short-sighted action of lumbering in a destructive manner destroys vegetation, and causes soil erosion.

In the red soil region, irrational land use has resulted in serious water and soil erosion and a decrease in soil productivity.

The rainfall erosivity can suggest the potential effect of rainfall on soil erosion. It is necessary to develop the water erosion model.

The characteristic of soil erosion in the eastern part of Guizhou were expounded. The primary questions are the petridesert in karst area and the soil erosion in tung tree forest region.

In the past it was promoted as an effective means to reduce soil erosion and as forage for cattle.

The effects of the stubble of different crops and farmland windbreak on controlling farmland soil erosion are studied.

The Tibet Plateau belongs to the alpine cold meadow and steppe landscape, which is characterized by poor water and soil conservation and vulnerability to serious soil erosion.

It should be extended in forage growing and animal husbandry, water and soil erosion, barren mountain control and …

The ephemeral gully erosion was an important issue and had great distribution in the Loess Plateau. The runoff and sediment from up-slope had great impacts on slope soil erosion.

The water-wind erosion crisscross on the Loess Plateau is a special region with severe soil erosion and brittle ecosystem and being the main sediment source of the Yellow river.

Because of serious soil erosion, land desertification, water lack, biology diversity decreasing, people's living and national economy in west of China suffered enormous losses.

The hilly Loess Plateau in North-west of Shanxi province is one of the most serious soil erosion in Loess Plateau, the ecological environment is extremely bad.

Under the immense population pressure, serious soil erosion emerged because of the over-exploitation of natural resources in the Southern mountainous areas in the Qing dynasty.

The characteristics of water loss and soil erosion in Hengduan Mountain Region are as follows: 1. the strong eolian action on surface of the plateau;

The results show that the natural factors such as soil erosion and so on are the main impoverishing indexes, and socioeconomic factors are the main alleviating impoverishing indexes.

It produces leaves that farmers can feed to cattle, and it has roots that enrich the soil with nitrogen. The trees protect crops from wind and prevent soil erosion.

It also plans to restore natural forests, grasslands and other key habitats in the upper and middle reaches of the Yangtze to reduce soil erosion and soil sweeping into the river.

In order to reduce water loss and soil erosion and increase the buffering power of soil against rain water, the cultivation crossing to mountains is adopted for hilly lands.

Through investigating the development and construction projects carried out in the typical region, the condition of the soil erosion newly arising in this region has been basically made clear.

These methods were not matched to development of GIS and DEM applications, and do not meet the requirements of modeling in watershed hydrology and regional soil erosion as well.

In order to control soil erosion, the program to return farmland to forests was launched in an all-round way in the beginning of this year on the basis of pilot projects initiated in 1999.

The main reasons why gully development and soil erosion have been intensifying in Luochuan plateau in modern times are that erosions by personal factors integrate with ones by natural factors.