In soil profiles, special emphasis has been placed on the migration of agricultural chemicals spread intentionally or accidentally into deep soils or groundwater body. To prevent soil water pollution and estimate the magnitude of the hazard caused by these chemicals, it is necessary to know the...

Monitoring soil moisture with spatial and temporal distribution is in big demand in arid and semi-arid regions. In Loess Plateau in China, where soil erosion is a major issue, information about soil water content helps in the planning of regional water resources and vegetation restoration for...