Sentence examples for soil reference from inspiring English sources

Table 1 also lists the CEC value of a soil reference sample of 12.75 ± 1.01.

Soil reference data were calibrated to smoothed first derivative NIR spectra using partial least squares (PLS) regression.

Table 1 shows the relative amounts of water retained by each biochar sample as well as a soil reference in units of g water retained/g biochar.

The soil reference sample used in this study was provided by Dr. Charles Garten of the Oak Ridge National Laboratory as reported previously (Huff et al. 2014).

As with the CEC measurement, all of the biochar samples have higher values of water retention than the soil reference sample.

Thus, we suggest to emphasize its effects more distinctly in soil classification by a 'mofettic' qualifier applicable to all soil reference groups of the WRB classification.

The method accuracy was confirmed by analysis of the soil certified reference material furnished from Sigma-Aldrich RTC.

The proposed voltammetric procedure was applied to determine Cr VI) in EDTA extractable chromium from soil certified reference materials CRM 483 and CRM 041.

For the sandy soil certified reference material (CRM-529) the quantification results ended up in the range 82 110% as compared to the concentrations obtained by a reference method based on Soxhlet extraction and external column clean-up.

A three-step sequential extraction scheme, using conventionally adopted extractants, was used to evaluate the system by determining Ca, Fe, Mn, Cu, Zn in a soil certified reference material (NIST, SRM 2710).

Arsenic concentrations were more than 60 times higher in contaminated soils compared with reference soils (p < 0.001).