Sentences with phrase «surrounding soil»

Grit from surrounding soil can coat nutrient - rich, underground plant parts, including tubers and roots.

Scientists have linked the delayed comeback to a lack of acid - buffering calcium in surrounding soils, which continued to acidify despite cuts in pollutants.

When colonising a plant, the beneficial fungus blooms within individual plant cells, growing thin tendrils called hyphae that extend into surrounding soil and pump minerals and nutrients straight into the heart of plant cells.

Anything with a pH above 7 is alkaline (or basic), with lye at the top of the scale, around 13.3 Natural water on our planet ranges in pH from 6.5 to 9.0, depending on surrounding soil and vegetation, seasonal variations and weather, and even time of day responses to sunlight.

Storage ponds for this «byproduct» are notorious for leaching and contaminating surrounding soils, thereby making them essentially unusable.

Hallett and fellow researchers at the University of Aberdeen look at the effects that exudates have on the plant and surrounding soil community.

Organic growers have historically had to rely on the surrounding soil and ecosystem biology to support their crops since the chemistry of pesticides, herbicides and fertilizers were unavailable.

These pesticides don't just impact our health - they also affect the surrounding soil, water, animals and ecosystem.

The fungi live in plant roots where they elongate their tendrils (called hypha) into the surrounding soil, like an extension of the root system, to better access and transfer nutrients to the plant.

The swirls would remain brighter than the surrounding soil because of those magnetic shields.

Research such as Hallett's shows that during the growing season - and beyond - there are delicate interactions between each plant and the surrounding soil.

«But also depleting the surrounding soil of the nutrients and energy the weeds need,» can be more effective, she adds.

It has blasted this tiny barrier island on the southeastern edge of Louisiana, turning the entire rim of wetland vegetation yellow and the surrounding soil black.

Before planting, the tree was inoculated with truffle spores, and the surrounding soil was made less acidic by treating it with lime.

Like earthworms on farmland, the termites aerate the surrounding soil, allowing more water to penetrate.

«For sandy conditions and low - frequency seismic excitations, the width, spacing and depth of the cavities, which should be lined with concrete to prevent the surrounding soil from collapsing, could reach 10 metres.»

Over the past several years, Metcalf and colleagues have developed a «microbial clock» to measure postmortem passage of time by genetically sequencing the population of microbes on the skin and in the surrounding soil.

As published today in The Lancet, scientists found only a few eggs anywhere else around the remains or in the surrounding soil so they conclude that the eggs from his gut (see photo inset) came from a roundworm infection, not contamination of the soil.

The roots of a tree provide the connection between it and the surrounding soil.

Dr Sam Clarke, who led the EPSRC - funded project, says: «Detonations of explosives in shallow soils are extremely complex events that involve the interaction of the shock waves with the surrounding soil, air and water.

«Instead, the presence of such organic compounds in the sediments are linked to import of large amounts of methyl mercury formed in the surrounding soils and wetlands,» explains Stefan Bertilsson, Professor at Uppsala University.

He says factors like the acidity of the surrounding soil could also help preserve DNA.

The study is the first to survey the landscape of bacteria and the genetics of their resistance across multiple aspects of an environment, including the people, their animals, the water supply, the surrounding soil, and samples from the sanitation facilities.

That allows them to sprout in the surrounding soil.

The biosensor system will provide insights into phosphate concentrations within root cells and will help reveal how plants use their symbiotic relationships with arbuscular mycorrhizal (AM) fungi to acquire more phosphate from the surrounding soil.

Like many plants, rooibos readily takes in flouride from the surrounding soil, so make sure you buy organic rooibos as commercial fertilizers contain large amounts of flouride.

The surrounding soil also helps insulate the water, keeping it cooler for longer.

If they are not ingested by another dog, these larvae crawl on the surrounding soil.

Jasmine, a recent graduate from School of the Arts High School, correctly explains that French broom is invasive because it changes the surrounding soil chemistry by drawing nitrogen out of the air.

The fragile nature of this 800 year - old tree and its surrounding soil made any direct contact with it out of the question.

Passive energy systems rely on the building enclosure or envelope to take advantage of natural energy sources such as sunlight, wind, water, and the surrounding soil.

Filtered fresh air enters a series of non-porous pipes embedded around the interior of your home's foundation, absorbing energy from the surrounding soil, moderating the temperature of fresh air intake.

For these types of ground loops, it is important to accurately know the expected seasonal changes in the surrounding soil temperature.

This indicates the rate at which heat will be transferred between the ground loop and the surrounding soil for a given temperature gradient.

The Green Cone has double walls that heat up in the sun, cycling oxygen to the chamber below that is humid and connected to the surrounding soil, and speeding up the breakdown process.

Over time, as much as 90 percent of the volume inside the Cone will get absorbed into the surrounding soil as compost water.

He promotes the use of «eco-san» toilets, which don't leach their contents into the surrounding soil, and whose contents can be mix with ash and turned into fertilizer for the rural communities that use them.

It might not end up in the ocean right away, but it will go into the ground, where it could continue to accumulate chemicals, contaminate the surrounding soil, and be ingested by animals.

Of course, anyone with a rudimentary knowledge of soil science will know that decomposing biomass will initially «rob» the surrounding soil of nitrogen - and a quick search online has yet to offer an answer on why this isn't a problem in Hugelkultur.

That wastewater contains fracking chemicals as well as naturally occurring radioactive materials and metals found in the surrounding soil.

Making sure that the hole and surrounding soil are moist prior to planting will help your plants to be more successful.