Sentences with phrase «temperature of the soil»

Use clear film rather than black film because the clear plastic will transmit more solar radiation and increase the temperature of the soil.

«With every single footstep, I'm conscious of the temperature of the soil and its texture.

The warm air increased the temperature of the soil by 1.5 to 2 °C.

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 Russian Academy of Sciences has found that the annual temperature of soils (with seasonable variations) has been remaining stable despite the increased average annual air temperature caused by climate change.

As sunlight hits the ground, Nielsen - Gammon says, it evaporates any moisture in the soil and raises the temperature of the soil.

As we still slowly ascended... and the surface temperature of the soil fell to the freezing point the solar radiation became intenser... near the summit the temperature in a copper vessel, over which lay two sheets of plain window glass, rose above the boiling point of water, and it was certain that we could boil water by the solar rays in such a vessel among the snow fields.

Not exact matches

Armed with information about rainfall, temperature and soil conditions, the startup created comprehensive maps of conditions in the fields — the type of intel farmers once had to gather by traversing every acre under production, manually noting any changes they observed.

He enjoys discussing the many variables that influence a spirit's taste, including light, temperature and climate, even the type of soil in which the grain was grown.

You have to know the soil, the temperatures, the orientation of the sun, etc..

In order for poppy seeds to grow to maturity and produce blossoms and new seeds, they must have the right combination of air, temperature, soil, rain, and sunshine.

The great pepper - growing areas around Kalocsa and Szeged have just the right combination of soil characteristics, temperature, rainfall, and sunshine required to cultivate these plants successfully.

In some cases, the soil temperature may be too low for germination of some of the rare peppers — soil temp.

The pepper - growing areas around these two centers of paprika production have just the right combination of soil characteristics, temperature, rainfall, and sunshine required to cultivate these plants successfully.

Nonliving agents include extremes of temperature, excess moisture, poor light, insufficient nutrients, poor soil pH and air pollutants.

The nuclear treaty will see the establishment of two shared research facilities, one on French and one on British soil, which will enable components of the two countries» nuclear warheads to be tested under extremes of temperature and pressure.

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.

The world's largest reservoir of mercury lies in Arctic permafrost, the layer of frozen soil that's at risk of thawing because of warming temperatures, The Washington Post reports.

Warmer temperatures shorten the lifespan of soil microbes and this may affect soil carbon storage, according to a new NSF - funded study published in Nature Climate Change this week.

Shaded microsite areas found below mature pinyon pine canopies (or overstory) have lower soil temperature and retain higher soil moisture content, both of which are fundamental to new tree regeneration.

The researchers tested how future precipitation and temperature projections would interact with aspects of the land surface such as vegetation and soil type to affect groundwater recharge during two time intervals: 2021 - 2050 and 2071 - 2100.

The Warming Meadow's radiators raise average soil temperatures by about three degrees Fahrenheit, decrease growing season soil moisture by up to twenty percent and advance the spring snowmelt date by up to a month in order to simulate predicted effects of climate change.

Although on Earth, carbon is constantly converted from solid compounds into gaseous CO2 and vice versa, warmer temperatures can further enhance carbon losses in form of CO2 from the soil.

Until now, it had been assumed that the reason for this was mainly due to the presence of small soil animals and microorganisms that would eat and breathe more in warmer temperatures.

A team of researchers led by the German Centre for Integrative Biodiversity Research (iDiv) and Leipzig University carried out an experiment to simulate the warming of the soil in the forest and found out surprisingly: The warmer temperatures have no influence on the feeding activity of the soil animals.

While weather stations typically measure air temperatures just above the surface, satellites record the thermal energy emitted by soil, rock, pavement, grass, trees and other features of the landscape.

In all regions, the researchers attributed some of the increase in atmospheric ammonia to climate change, reflected in warmer air and soil temperatures.

Reports on the state of the Arctic, such as the National Oceanic and Atmospheric Administration's 2012 Arctic Report Card, published in December, furnish Arctic temperatures and measurements of the changing thickness of the active layer of the permafrost, the layer of surface soil that melts and refreezes each year.

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.

William and Stillwell chose to study green roofs over other forms of green infrastructure for a very simple reason: There was one on campus fitted with the instrumentation needed to measure soil moisture, rainfall amount, temperature, humidity and many other variables that are plugged into their fragility curve model.

«There are a lot of different pathways by which temperature can negatively affect crop yield: soil moisture deficit [or] heat directly damaging the plants and interfering with their reproductive process.»

The model explicitly accounts for the effects of temperature and soil moisture changes (positive and negative) on global and regional wheat production fluctuations.

The model draws on historical records of soil and air temperatures, along with the finding that females can shift their nesting dates by about 10 days.

With an average annual air temperature of -2.2 F and an average precipitation of 3 - 50 mm per year, the McMurdo Dry Valleys of Antarctica are dominated by dry soils underlain by permafrost.

The controversial observation could be explained by the mission's previous discovery of perchlorate salts in the soil, since the salts can keep water liquid at sub-zero temperatures.

However, new UMN research published in Environmental Research Letters found that regardless of soil fertility or rainfall amounts, the single variable that was by far the strongest determinant of how much a shrub grew in a given year was the temperature in June.

We used data from a field experiment in Northern Sweden, in which climate change was simulated with open top chambers to increase the air and soil temperature, and with addition of plant litter from willow and birch - shrubs.

«They probably play an important role in restoring fertility to the soil in pastures, where it has been damaged by exposure to extremes of both temperature and humidity,» he says.

RoR dams can cause a spike in methylmercury in two ways — they can form small reservoirs, called headponds, which flood soil and create slow - flowing, low - oxygen environments; or they can create higher temperatures in the stream as a result of the reduced flow conditions when portions of the stream are diverted to the turbines.

«As long as the older trees are not so stressed that they do not produce many viable seeds, [and] the dispersal mechanism — for example, wind, birds, mammals — is present, and the habitat where the seed lands has the appropriate soil, nutrients and temperature,» says biologist Terry Root of Stanford University, who was not involved in the study, «then the trees will be able to shift.»

The release of those gases from fertilized soils increases at high temperatures due to increased microbial activity, says Darrel Jenerette, an ecologist at the University of California, Riverside, who was not involved in the new study.

Vanadium nitrogenase found in soil bacteria can in its natural setting perform the same synthesis that is only possible in industrial processes with the aid of extreme pressures and high temperatures.

They found that soil in grassy areas had greater carbon storage, greater carbon losses from decomposition and a higher temperature sensitivity of decomposition than shrub soils.

«Our results highlight the importance of the interactive effects of vegetation type, temperature and moisture in determining of the response of soil decomposition to climate change,» says lead author Julia Bradley - Cook, who conducted the study as part of her doctorate in Ecology and Evolutionary Biology at Dartmouth and who is now a Congressional Science Fellow.

Soil carbon decomposition, which is temperature sensitive, is a potentially important source of greenhouse gases, which could create a positive feedback to global climate change through the release of greenhouse gases from decomposing organic matter.

Besides the increased emissions of N2O, the authors observed significant increases in the seasonal release of CO2 and CH4 as a result of only a mild temperature increase, and dug deeply into the reason behind the observed changes by detailed soil and vegetation measurements.

Shrub expansion into grassy areas could reduce soil carbon accumulation and the temperature sensitivity of carbon mineralization, such that these soils would more closely resemble the carbon storage and temperature sensitivity of shrub soil.»

They measured carbon dioxide emissions from mineral soils of the two vegetation types incubated at five temperatures and two moisture levels.

Warmer, wetter conditions in the Arctic are accelerating the loss of carbon stored in tundra and permafrost soils, creating a potential positive feedback that further boosts global temperatures, a Dartmouth College study finds.

Also, higher soil moisture should increase the temperature sensitivity of grassy soils but may have little to no effect on shrub soils.