Soil salinization and sodification are common processes that particularly characterize
drylands. These processes can be attributed either to natural conditions or anthropogenic …

Electromagnetic induction (EMI) has been used to characterize the spatial variability of soil
properties since the late 1970s. Initially used to assess soil salinity, the use of EMI in soil …

Resistivity and induced polarization methods are used for a wide range of near-surface
applications, including hydrogeology, civil engineering and archaeology, as well as …

The projected increases in World population and need for food have recently motivated
adoption of information technology solutions in crop fields within precision agriculture …

The basic objectives of site-specific management of agricultural inputs are to increase
profitability of crop production, improve product quality, and protect the environment …

Apparent electrical conductivity (ECa) of the soil profile can be used as an indirect indicator
of a number of soil physical and chemical properties. Commercially available ECa sensors …

Map** and monitoring soil spatial variability is particularly problematic for temporally and
spatially dynamic properties such as soil salinity. The tools necessary to address this classic …

The Environmental Policy Integrated Climate (EPIC) and Agricultural Policy/Environmental
eXtender (APEX) models have been developed to assess a wide variety of agricultural water …

Since both the spatial and vertical heterogeneities in soil properties have an impact on crop
growth and yield, accurate characterization of soil properties at high sampling resolution is a …

Site-specific management demands the identification of subfield regions with homogeneous
characteristics (management zones). However, determining subfield areas is difficult …