Sentences with phrase «composition of soil»

They are very effective at holding soil in place and changing the simple mineral composition of soil sufficient to allow for widespread microbiological and microbial activity.

Solid residue left over from the processing of olive oil, known as pomace, can also change the composition of the soil when not disposed of properly.

«Synchronizing Lamp» (2013) is a composition of soil, birch bark, and weeds assembled on the floor of the gallery; in the center stands a two - sided lamp with bulbs on both ends flashing in a synchronized pattern.

Scientists have long known that plants impact the composition of the soil microbiome in the area surrounding their roots by sending out chemicals (metabolites).

The land also includes buckthorn, a non-native plant species, which is known to change the chemical composition of the soil and remove light from the canopy trees.

Drought consistently alters the composition of soil fungal and bacterial communities in grasslands from two continents — Raúl Ochoa - Hueso — Global Change Biology

«It's a purer taste with more sense of the terroir, because when you replace pesticides with labor, you have hands - on care for the vines and you improve the composition of the soil and you get back all the life — the microbes, insects, bees and worms that you need in agriculture.»

NASA's Lunar Reconnaissance Orbiter (LRO), slated to launch this fall, will pave the way by analyzing the composition of the soil, the temperature, and unexplored regions of the moon.

Scientists have recently used the Canadian Light Source (CLS) to evaluate the effects of various sources of supplemental nitrogen fertilizer on the chemical composition of soil organic matter.

The Alpha Particle X-ray Spectrometer, or ASPX, that irradiates samples of Martian soil to determine the elemental composition of the soil.

Mud flat organisms become established encouraging other life forms changing the organic composition of the soils.

• Effectively able to measure field characteristics, properties and composition of soils, river channels and biological systems

Not exact matches

The unique hints within flavors and tastes are a result of the special characteristics and composition of the volcanic soil and tropical climate in which they are produced.

Caves and colleagues instead looked at samples over extensive geographic and temporal spans in order to draw a fuller portrait of the climatic changes influencing soil composition.

The researchers were studying ancient soil composition in an exposed Siberian riverbank in 1995 when they discovered the first of 70 fossilized Ice Age squirrel burrows, some of which stored up to 800,000 seeds and fruits.

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.

By contrast, in transpiration, plants simply suck water out of the soil and push it into the air without changing its isotopic composition.

This finding was made from data collected by the 2001: Mars Odyssey Gamma Ray Spectrometer, or GRS, which is sensitive enough to detect the composition of Mars soil up to one - half meter deep.

«Digging deeper into Mars: New findings on the chemical composition of hydrated soil at regional scales.»

This work, with the assistance of soil scientists at the University of KwaZulu - Natal, has involved a suite of techniques, including x-ray fluorescence (to provide quantitative data on minor and trace element composition), x-ray diffraction (to reveal crystal structure and parent rock types of paint ingredients), and environmental scanning electron microscopy (to yield qualitative data on elements present).

Within the soil, the fungal species communities were found to be highly structured and correlated with abiotic variables such as pH and soil horizon, and with the species composition of the understory plant community.

In another finding that is consistent with the practice of crop rotation, Fitzpatrick evaluated plant soil feedback and demonstrated that the more similar the composition of a plant's root microbiome to that of the previous generation of plant grown in that soil, the more the second - generation plant suffered.

Although the complete transformation of soil ingredients into true terra preta may take several years, soil scientists have shown that the mixture can have immediate benefits when added to nutrient - poor soils.Experiments outside of Manaus have shown that the yield in plots treated with charcoal and fertilizer (which contains plant nutrients), a mix similar in composition to terra preta, was double the yield of plots treated with fertilizer alone.

Figuring out the composition of dark earth and how it was formed offers a way to improve soil fertility for today's small farmers and also curb carbon emissions from the fires that these farmers set to clear the forest.

Some pioneer plants will quickly take hold, gradually changing the landscape — how much the ground is shaded and the soil composition — such that a new set of plants will thrive there.

Phoenix, so named because it is basically a copy of the ill - fated Mars Polar Lander of 1999, carries four small vials of water to wet the soil and measure its pH and composition.

Earthworms contribute to soil health in farm fields and gardens through their digging, fertile excrement and other ways, but they can also damage the chemical composition of forest ecosystems.

In June the probe's eight - foot - long robotic arm exposed white patches of ice in the rust - colored Martian dirt; in July it took bits of the icy soil and studied its composition.

Moreover, according to the requirements of crop species and depending on the soil conditions, the organic soil improvers can be mixed with the recovered mineral fertiliser salts to a suited nutrient composition with a defined N / P ratio.

Soil composition, moisture, hours of exposure to sunlight — even the way that the leaves drape over the fruit — all affect the overall quality and taste of the final product, wine.

In this case, the researchers combined records of ancient lake levels, location and extent of glaciation, variations in the composition of stalagmites in caves, and evidence for changes in vegetation and subsurface soil deposits associated with water table depth.

Extremely homogenous composition is nearly impossible to find via remote sensing of the moon, Warren notes, because lunar soil is such a hodgepodge, and it is bound to contaminate any given surface to some extent.

All told, about 20 % of the distribution of domesticated species across the Amazon seemed to be driven by human influences, while 30 % was likely due to environmental factors such as soil composition.

Luis Marone of the Argentine Arid Zones Research Institute (IADIZA - CONICET) and his colleagues collected soil samples at grazed and ungrazed sites in Argentina's Monte Desert to assess the composition of the seed bank in each area, finding fewer of the large grass seeds that birds prefer in the grazed areas.

Investigate the composition, structure, and history of Earth's crust through the collection, examination, measurement, and classification of soils, minerals, rocks, or fossil remains.

Stable isotopic compositions — variants of particular chemical elements — of such remains, recovered from soil and lake sediment, may help us better understand climate change over a long span of time.

Clark headed the team that developed the x-ray fluorescence spectrometer instrument, which was used to determine the chemical composition of the Martian soil.

The restorative power of nature starts in its tiniest building blocks, according to clinical microbiologist Douglas Toal, Ph.D. «Numerous studies have demonstrated that the presence of soil and vegetation can have a significant impact on the composition of colonizing microbiota,» he says.

In summer 2008, kid - participants in the Science Camp named «Forest Mystery» took part in conducting a research on the composition of the forest soil and its inhabitants.

A batch of corn meal might be presumed to have a certain nutritional composition based on analyses of previous batches, but depending on the weather where it was grown, the soil conditions, and the type of fertilizer used, the exact amounts of each nutrient may vary.

Using performance and sound, Worming out of shit will be an exploration of the soil strata and landfill in the composition of the earth's surface.

; — changing of the composition of the ice to the consistency of warm butter so that it is much more mobile; — isostatic rebound; — carbon release from soils now under the ice sheets...

Multiply my tiny little dumps by the world and what are we doing to the composition of this planet's literal earth, the soil?

The sequestration potential of a soil depends on the vegetation it supports, its mineralogical composition, the depth of the solum, soil drainage, the availability of water and air, and the temperature of the soil environment.

The processes of carbon release are intertwined with multiple factors, including microbial community composition, stability of old carbon, physical soil structure, and relative fraction of leaching to atmospheric emission.

It is changing the composition of species in ecosystems, reducing soil fertility, depleting the ozone layer, intensifying climate change, and creating dead zones in the Gulf of Mexico and other near - coastal seas.

It will be important to know more about the compositions and associations of these substances in the soil if we are able to predict reasonably accurately the ability of any soil type to sequester C in different cropping and soil management systems.

O'Donnell JA, Aiken GR, Butler KD, Guillemette F, Podgorski DC, Spencer RGM (2016a) DOM composition and transformation in boreal forest soils: The effects of temperature and organic - horizon decomposition state.

One implication is that if humans burn most of the fossil fuels, thus injecting into the atmosphere an amount of CO2 at least comparable to that injected during the PETM, the CO2 would stay in the surface carbon reservoirs (atmosphere, ocean, soil, biosphere) for tens of thousands of years, long enough for the atmosphere, ocean and ice sheets to fully respond to the changed atmospheric composition.

In particular, if focuses on the following areas: reducing methane emissions from ruminant animals by modification of plant composition; reducing nitrous oxide emissions by making the use of nitrogen more efficient both in terms of going from soil to plant and in the animal; enhancing carbon sequestration through plant breeding; reducing emissions from fertiliser production.