Sentences with phrase «soil microbial»

Scientific understanding of the complexities of soil microbial activity is still limited, but the long - term nature of the study provides valuable insights into what might be happening, and is likely to happen in future, to vast swaths of forest soils across the world.

Limited direct impacts of atmospheric CO2 on nitrogen - fixation have been found in soil biological crusts (Billings et al., 2003), but soil microbial activity beneath shrubs has been observed to increase, thus reducing plant - available nitrogen (Billings et al., 2002).

The results hold implications for land management, improved climate change models, and a better understanding of carbon cycling in soil microbial communities and how changes in global temperatures impact Earth's deserts.

AMP grazing draws down and stores carbon, but it also has vast implications for the health of livestock, land, and soil microbial communities.

CO2 uptake by plant and soil microbial activity will respond very rapidly with sufficient heat and solar.

Other effects of SRM are expected to reduce soil microbial respiration, enhancing carbon storage in soils too.

Trean, by understanding the complex interactions among no - till, crop diversity, crop synergism, and the soil microbial community, one can develop cropping systems that yield more, but do not necessarily require more inputs.

December 17, 2017 Plant diversity enhances soil microbial biomass, particularly soil fungi, by increasing root - derived organic inputs.

While organic agriculture practices result in higher soil organic matter (SOM) contents and, in turn, higher nutrient - and water - supplying potential to crops, transition to organic farming typically involves a lag time of several years in which yields can suffer and input demands increase as rebuilding soil microbial communities compete with crops for nitrogen and other available nutrients (Simmons and Coleman, 2008).

It holds water, nutritients, harbors soil microbial life.

Farm management, not soil microbial diversity, controls nutrient loss from smallholder tropical agriculture.

The impact of failure: unsuccessful bacterial invasions steer the soil microbial community away from the invader's niche — C. A. Mallon — The ISME Journal

Bioaugmentation of chlorothalonil - contaminated soil with hydrolytically or reductively dehalogenating strain and its effect on soil microbial community — Xi - Hui Xu — Journal of Hazardous Materials

Impact of fomesafen on the soil microbial communities in soybean fields in Northeastern China — XH Wu — Ecotoxicology and Environmental Safety DOI not available yet.

Depth matters: effects of precipitation regime on soil microbial activity upon rewetting of a plant - soil system — Ilonka C. Engelhardt — The ISME Journal

* Passive warming effect on soil microbial community and humic substance degradation in maritime Antarctic region — Dockyu Kim — Journal of Basic Microbiology

Long - term use of cover crops and no - till shift soil microbial community life strategies in agricultural soil.

Cross-biome metagenomic analyses of soil microbial communities and their functional attributes

«We hypothesized that soil amendment using lignite - derived humic substances would alter plant gas exchange, root growth and soil microbial activity, which in turn might mitigate potential crop losses under water - stress conditions,» he said.

Andrew Bissett, Project Leader for «Microbes and healthy waterways», contributed to a recent publication in Nature Ecology and Evolution that investigated the legacy of past climates on the current distribution of soil microbial communities.

Arbuscular mycorrhizal fungi influence decomposition and the associated soil microbial community under different soil phosphorus availability — Jing Xu — Soil Biology and Biochemistry

Soil microbial communities and glyphosate decay in soils with different herbicide application history — Keren Hernández Guijarro — Science of the Total Environment

Effects of thinning intensity on understory vegetation and soil microbial communities of a mature Chinese pine plantation in the Loess Plateau — Peng Dang — Science of The Total Environment

Divergence of dominant factors in soil microbial communities and functions in forest ecosystems along a climatic gradient — Zhiwei Xu — Biogeosciences

The team also demonstrated that bodies decomposing on soils modify the soil microbial communities substantially, allowing detection of a decomposing human body via the soil microbial community even if a body has been moved.

In addition, the team also measured the amount of phosphorus that ended up in the soil microbial community.

This heat map shows the areas of the United States where the soil microbial biomass is susceptible to changes in vegetation cover.

The study suggests that since soil microbial biomass and enzymatic activity can stand in as proxies for soil quality, farmers should consider moving toward no - till or conservation tillage systems.

But these puddles of decay aren't static; the researchers documented two distinct shifts in the soil microbial community within them.

Without a regular input of organic matter, soil microbial diversity decreases and the carbon concentration is lowered.

This was associated with a change in the soil microbial community and an increase in the number of enchytraeid worms — these worms are the main soil fauna in peatlands that are responsible for decomposition.

The tripmark exhibit is still being finalized, but already this art - science project has been on display at two conferences as part of an effort to make the public more aware of soil microbial life.

In addition, surface geophysical techniques are used to map soil electrical properties in 3 - D, which greatly controls soil microbial activities.

[17] Whereas, when soil is tilled by machinery, the soil layers invert, air mixes in, and soil microbial activity dramatically increases over baseline levels.

Not exact matches

FDA proposes to set standards associated with identified routes of microbial contamination of produce, including agricultural water, biological soil amendments of animal origin, health and hygiene, animals in the growing area, equipment, tools, buildings and sprouts.

Because of the successive years of adverse weather, especially this spring, there has been suppression in microbial activity in our soil.

Kalle Cloths are biodegradable and are made to completely break down in approximately 24 weeks in a microbial active soil.

Kalle placed its Kalle Cloth under a biodegradable test in microbial active soil.

Although a challenge, weeds can actually have beneficial qualities: «They add organic matter to the soil when they are turned under, they keep the ground covered and they contribute to the richness of the root zone where an abundance of beneficial microbial activity takes place» (7).

(263) Biodegradable is defined in the standard as «capable of microbial decomposition within 24 months in soil (with the exception of plant biomass), one month in aerated water, two months in anaerobic water, with minimal impact on the environment» (see 3.10 in CAN / CGSB -32.310).

No - tilled fields often have more beneficial insects and annelids, [29] a higher microbial content, and a greater amount of soil organic material.

Under European conditions, organic agriculture performs better than conventional agriculture with regard to certain parameters: for example, 30 to 100 percent higher microbial activity3 and a significantly higher biomass (+30 to 40 percent), density (+ 50 to 80 percent) and species diversity of earthworms, a key soil - macro faunal species4.

In contrast, the overuse of synthetic fertilizers in conventional farming will often leave the soil stripped of organic matter, robbed of natural fertility, and devoid of microbial activity.

To explore what these new findings could mean for soil carbon storage in a warming world, the team compared output from a soil model that includes the effect of temperature on microbial lifespan to models unaffected by temperature change.

«By understanding how microbes work and modifying the environments where they function, we can eventually engineer microbial communities to enhance soil productivity.

Building on Berkeley Lab's ENIGMA and Microbes to Biomes initiatives, the project scientists are looking to develop and evaluate microbial amendments, which can be thought of as «probiotics for soil,» to replace the carbon, phosphorus, and other nutrients that have been lost.

In addition, we found that among the different nitrogen treatments, manure - enriched soil had the highest amounts of compounds related to microbial turnover,» said Gillespie.

For example, one popular way to look for microbial life is to scoop up some soil, water, or even air, and extract all the DNA it contains.

However, the connection between the chemical diversity of soil and microbial diversity is poorly understood,» said Trent Northen, a senior scientist at Lawrence Berkeley National Laboratory (Berkeley Lab).

Understanding how microbial communities in the biocrusts adapt to their harsh environments could provide important clues to help shed light on the roles of soil microbes in the global carbon cycle.