Sentence examples for external soil from inspiring English sources

The inherent low nutrient status of the two locations suggests the need for external soil amendment for optimum crop yield.

It distinguishes between endogenous and exogenous variables, where, in our application, the first are soil properties and the latter are external soil forming factors (i.e. climate, relief, organisms).

Concrete tunnel linings, whether pre-cast or cast in place, are designed to distribute external soil pressures as uniformly as possible through the tunnel shell.

For instance, in a review of 15 studies, the median of the concentration ratios of lead in house dust versus external soil was 2.3 (Paustenbach et al. 1997).

Today, only the UK and France have a real concrete capacity for intervention on external soils.

This has also been the case in Southern Iceland and in this paper we assess the extent to which common land domestic grazing pressures were the primary external force causing soil erosion and land degradation during the period of occupation from ca. 874 AD.

"Urban trees — with external stresses like soil compacting, high heat and vandalism — are highly prone to structural defect and decay," said Mr. Gerstenberger, the association's senior adviser for safety compliance and standards.

The second leading cause of pipeline failure is corrosion, which is an electrochemical process caused by the contact of metal pipe with wet soil (external corrosion) and with the fluid in the pipe if the fluid is corrosive or contains water with dissolved oxygen, carbon dioxide, or hydrogen sulfide (internal corrosion).

Ethanol was used to simulate the sole effect of soil external force on splash erosion.

Pipelines are required to withstand internal hydrostatic pressure, external pressure from soil, surcharge and traffic loads, and to be safe against buckling.

In general, our results suggest that external sources of soil provide a substrate for plants to grow in along with key nutrients and sufficient moisture retention.