Sentence examples for concentrations soil from inspiring English sources

These conditions included soil pH, total and labile P concentrations, soil mineralogy, as well as groundwater Ca and Mg concentrations.

The attributes considered include salinity, water yield, nitrogen run-off, phosphorus run-off, stream sediment concentrations, soil erosion and carbon sequestration.

The effect of various amendments and months was significant for soil inorganic-N (NH4+ and NO3−) concentrations, soil moisture (SM) content, N-mineralization and nitrification rates.

Small soil samples were taken for Br concentrations, soil texture, and volumetric soil water content at regular intervals along a vertical 0.10 × 0.10 m raster.

In addition to RS measurements, the following in-situ measurements were taken: SPAD chlorophyll (closely related to nitrogen status), plant petiole nitrate-nitrogen concentrations, soil water content, and plant height, width, and leaf area index (LAI).

To gauge the laws' effectiveness, a team led by John Stoddard of the U.S. Environmental Protection Agency analyzed 15 years' worth of data on surface sulfur concentrations, soil chemistry, and alkalinity in 205 lakes and streams across North America and Europe.

In contrast, low sodium concentration, soil structure is not affected by salinity in saline soil [40].

Gérard et al. (2002) investigated the relationships between Si concentration, soil temperature, and H+ concentration, and concluded that silica concentration was controlled by soil temperature and H+ concentration.

We concluded that the effects of Pb on soil enzyme activities depend on the Pb concentration, soil salinity and the enzyme types.

In contrast, low sodium concentration, soil structure is not affected by salinity in saline soil [ 40].

Soil fertility maps showed sufficient concentrations of soil available phosphorus and available potassium.