Sentences with phrase «soil properties»

The impact of organic agriculture on soil properties has been covered extensively by research with a special focus on the relevant parameters of organic matter content, biological activity and soil erosion.
A key challenge for advancing these goals is the recognition of the significant spatial variability of soil properties within a single field and between fields.
Another group will study soil properties and other forest health indicators.
These equations — called crop nutrient response functions — also consider local soil properties and climate.
Fernández, who is from the Department of Soil, Water, and Climate at Minnesota, along with other researchers, compared soil properties after five years of no - till and strip - till to try to fill these research gaps.
The results are being used to map soil properties in Africa, such as soil organic carbon, nutrient content and texture.
«Benefits of strip - till surface after five - year study: Improved soil properties compared to no - till method.»
In order to characterize the biological properties of soil treated with biochar, the team incorporated torrefied plant residual biomass from the biodiesel crop Jatropha curcas into aridisol, a type of soil found in arid regions such as Botswana, and compared several soil properties with samples that had not been treated.
The research team sampled soil invertebrates and measured soil properties, including water content, in three hydrological basins and at three different elevations in the region.
«It's clear that we need inorganic fertilizers to meet the increasing demands for food production, so it's important to look at how the extensive use of inorganic fertilizers affects soil properties in the long term,» he says.
Wildfires, which are on the rise throughout the west as a result of prolonged drought and climate change, can alter soil properties and make it more vulnerable to erosion.
The researchers looked at five specific soil properties: soil organic matter, penetration resistance, bulk density, water aggregate stability, and infiltration rate.
Shifts of methanogenic communities in response to permafrost thaw results in rising methane emissions and soil property changes — Shiping Wei — Extremophiles
UVALDE — A recent study by Texas A&M AgriLife Research scientists at the Texas A&M AgriLife Research and Extension Center in Uvalde shows applying a soil amendment containing humic substances can positively affect vegetable growth and soil properties under different environments.
Harp DR, Atchley AL, Painter SL, Coon ET, Wilson CJ, Romanovsky VE, Rowland JC (2016) Effect of soil property uncertainties on permafrost thaw projections: a calibration - constrained analysis.
Researchers at Universidad Politécnica de Madrid have obtained biochar using manure waste, a new material that can improve soil properties and increase crop yields.
Several soil properties were analyzed after mixing soil with torrefied biomass and compared with control.
The maps presented in the next section below enable rough estimates of soil properties for regional screening purposes, but any sort of detailed feasbility assessment or design study should engage a contractor for in - situ soil thermal conductivity testing.
The long - term effects of these different methods can have impacts on soil properties, nutrient and water uptake, yield, and ultimately farmers» profit — but research on them is lacking.
«Most of the scientific research and legislation efforts have focused on graywater's health risks, while less attention has been given to its environmental outcomes, including its effect on soil properties,» says Prof. Amit Gross, head of the Department of Environmental Hydrology and Microbiology in the Zuckerberg Institute.
«Definitely the effects of inorganic fertilizer application on soil properties will depend on tillage and cropping systems,» Blanco says.
The measurements give information on how «squishy» the soil is at any given point, making it possible to infer a great deal of information about the soil properties, such as its water content or texture.
«These soil properties impact a plant's ability to maximize its resources,» he explained.
The group also compared the soil properties of the two sites.
«If you can get these soil properties to an optimal level they can allow the plant to grow with more ease, allowing it to focus its energy on yield.»
Permafrost is not exclusively determined by air temperature, with topography, soil properties and snow depth all playing a role, the authors acknowledge.
Develop models and probabilistic forecasting tools to quantify uncertainties in the atmospheric drivers, surface characteristics, and soil properties that control the timing and extent of permafrost thaw in the next few decades and centuries.
Second, soil properties are optimized for water retention and long - lasting vigorous plant growth which are both critical pieces to maximize stormwater retention and evapo - transpiration.
In addition, soil properties are designed to maximize stormwater retention and create long - lasting plant growth, which are both critical pieces to increase water retention and evapo - transpiration.
Other factors, such as precipitation, soil properties, and the tree's age also can affect tree ring growth.
Thermal conductivity is another soil property that must be known in order to design a closed - loop or direct expansion GHP system.
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