The GTR classification system categorizes the studied soils into three subgroups: i) A3 – low-density clayey-silty soils with high moisture content and abundant fine fraction; ii) A2 – silty-sandy ...

Agricultural research has strengthened the optimized economical profit, internationally and is very vast and important field to gain more benefits. However, it can be enhanced by the use of different ...

The University of Pennsylvania's independent student news organization.

Rock samples plot mostly in the subalkaline basalt and basaltic andesite fields in the TAS classification diagram (Le Bas et al., 1986) and the Nb/Y vs. Zr/Ti diagram (Winchester & Floyd, 1977, Figs.

Soil Data Access is the name of a suite of web services and applications whose purpose is to meet requirements for requesting and delivering soil survey spatial and tabular data that are not being met ...