Sentences with phrase «by microbial decomposition»
Synthetic fertilizer is available as a variety of commercial products, with different nitrogen - release times, whereas manure and pulse crops need to be broken down by microbial decomposition before nitrogen becomes available.
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Rapid decomposition facilitated by warm temperatures and abundant moisture in these same tropical regions slowed the accumulation of organic matter that was not protected from microbial decomposers.
Model simulations can always be improved by testing predictions against field data collected from different ecosystems, and Sulman and Phillips are doing just that: investigating how roots influence soil decomposition and protected forms of carbon in forests that vary in the composition of tree and microbial communities.
«In contrast to a traditional soil decomposition model, our model can elucidate mechanisms that depend on social dynamics that emerge on the microbial community level, but are driven by individual interactions among microbes competing for food and space at the smallest scale.»
A new study led by the University of Colorado Boulder and the University of California, San Diego indicates unique and changing microbial communities present during the decomposition of human cadavers look to be a reliable «clock» for forensic scientists.
Risk Assessment Form (3) Required for projects using hazardous chemicals, activities or devices, and some PHBA's including protists, composting, coliform test kits, decomposition of vertebrate organisms and microbial fuel cells and must be completed and signed by the DS or QS prior to student experimentation.
The marine biota also redistribute carbon: marine organisms grow organic tissue and calcareous shells in surface waters, which, after their death, sink to deeper waters, where they are returned to the dissolved inorganic carbon reservoir by dissolution and microbial decomposition.
At the same time, fewer freezing days at higher latitudes could potentially accelerate carbon releases through microbial decomposition [38,39], and this excess carbon might not be sequestered by plants, as higher latitudes will remain limited by insufficient solar radiation (S6G — S6I Fig).