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Microbial dynamics in soil: Impacts on fertility, nutrient cycling, and soil properties for sustainable geosciences—people, planet, and prosperity Abstract The earth’s surface constitutes a layer of soil around it which is termed as pedosphere. Soil holds millions of microbes that are involved in ...
Engineered soil is usually $2.50 to $4 per sq ft for a 4-inch profile. While choosing the least expensive locally-sourced native soil might seem like the right decision to make, consider this: not knowing the complete makeup of that soil could mean future problems. Invest in soil testing...
recommendation for use as liner materials based on their activity. Based on the statistical analysis, the mean activity of 0.96 for the expansive soils is significantly higher than the standard value of ≥ 0.3 (pvalue < 0.05) and therefore meets the requirement. On the other hand, approxim...
Before analysis, samples were filtered over 0.45 µm filters (Sartorius) and acidified with trace metal grade HNO₃ to 0.14 mol L−1, with exception of the fusion digest samples. For a selected set of solution samples, DOC concentrations were determined in non-acidified subsamples with a...
In recent years, with growing demands for site-specific applications and high-resolution soils data, 1st order or high-intensity soil surveys have become more and more needed. Thus, other means of mapping soils, such as the application of geostatistics (e.g. Heuvelink and Webster, 2001), ...
Polymerase Chain Reaction (PCR) amplification of V4 region was done using the 515F and 806R primers42 modified with adapters on the 5ʹ end for the Illumina MiSeq platform. The PCR reaction mixture included 13 µL of PCR-grade water, 10 µL 2X PCR master mix, 0.5 µL of 10 ...
However, laboratory tests under controlled conditions can provide more reproducible data for both degradation mechanisms and kinetics. Biodegradation can be schematically represented in three stages: in the first one, plastic is depolymerized into monomers and oligomers; in the second step, the monomers...
Conversely, SQI-LS had more area in grade IV (18.83%) than SQI-NLS (16.5%), while in both scoring methods, the area under grade V was of a similar extent. 4. Discussion 4.1. PCA, Scoring, and SQI Assessment The soil properties analyzed in this study show significant variability. The ...
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