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1、CausesofsoilerosionanditseffectonagricultureAbstract：soilerosionhasaseriousdamagetoagricultural,whichcancausehugeeconomiclosses.Thecomprehensivemanagementofsoilandwaterisveryimportanttodevelopouragriculture,controlflooddisaster,andpromotethesustainableandhealthydevelopmentofthenationalecono
2、my.Basedonthis,thispaperexpoundsthemainimpactofsoilerosiononagriculturalinChina,andputsforwardthecorrespondingcountermeasures.Keyword:soilerosion;damageonagriculture;Nutrientloss;controlandconservation.Recentyears,withtherapiddevelopmentofChina'seconomy,todevelopmentourcountry`sindustrieswe
3、havesacrificedthemuchofoursurroundingenvironment.Itcausedseriousdamagetotheenvironment,thetemperaturerise,climateanomalies,flashfloodsanddebrisflowincreased,especiallythelargeareaofforestandgrasseshavebeendisappeared,suchphenomenonofsoilerosioninChinaismoreseriousthanbefore.China'sfieldarea
4、islarge,andthetopographyoftheregionhasgreatdifferences,thesituationofsoilerosion,isalsodifferentinmustplaces.tounderstandthesituationofsoilerosion,thecauseofitsfurtherresearch,anditsharmtoagriculture,soastoachievethedevelopmentofmodernagriculture,thedevelopmentofthenationaleconomy.1causesof
5、soilerosionSoilerosionnotonlydamagethelocalecologicalenvironmentandagriculturalproductionconditions,resultinginpoorpeoplelivinginpoverty,butalsoforthelowerreachesoftherivertobringseriousdamagetothefloodofcementsand".Wherethepeople'slivesandpropertyareseverelylost,regardlessofthetownsandvill
6、ages,thepeople'slifeandproperty,regardlessoftheurbanandruralareas.Sedimentdepositioninlakes,reservoirs,riverbed,theentirenationaleconomicconstructionisveryfar-reaching,intheprovinces(regions)ofvaryingdegrees,therearesuchproblems.Chinaisamountainouscountry,mountainareaaccountsforthelandareao
7、f2/3,andourcountryistheworldonmostwidelydistributedloess.Terrainfluctuationinmountainousandhillyareas.Theloessorlooseweatheredcrustisverypronetoerosionintheabsenceofvegetationprotection.Inmostpartsofourcountrybelongstothemonsoonclimate,rainfallconcentrat
