soil pH Articles
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Economic returns from monitoring and remediation of acid soils with lime application - Case Study
A long term soil acidity monitoring study was conducted in the Gabby Quoi Quoi catchment located in the central agricultural region of Western Australia, measuring change in soil pH at GIS located sample points in 1999 and 2006. Of the 300 sites sampled, 75% of the topsoil and 85% of the midsoil sampled in 1999 had pH values < 5.0, with 15% of these soils having a pH value of < 4.0. Liming ...
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Modeling selenium (IV and VI) adsorption envelopes in selected tropical soils using the constant capacitance model
The adsorption of selenium (Se) on soil is important due to the relevance of Se to environmental and health issues. The adsorption of Se(IV) and Se(VI) was evaluated on soil samples from São Paulo state, Brazil, as a function of varying pH, and the experimental data were fitted to the constant capacitance model (CCM). Adsorption experiments were conducted for 15 soil samples, after the ...
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How To Complete A Soil Test The Right Way
A soil test should be one of the first steps you take in your landscape plan. Many of us never take this important first step, which contributes, to wasted resources and wasted time. The U.S. Department of Agriculture says soil testing is an “essential” tool that provides information on fertility and pH. Testing also indicates what amendments you should add to increase productivity of ...
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The potentiation of zinc toxicity by soil moisture in a boreal forest ecosystem
Northern boreal forests often experience forest dieback as a result of metal ore mining and smelting. The common solution is to lime the soil which increases pH, reducing metal toxicity and encouraging recovery. However, in certain situations, such as Flin Flon, Manitoba, Canada, liming has only yielded moderate benefits with some locations responding well to liming and other locations, not at ...
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Prj 9809 - Soil Remediation in a Coke Processing Plant - Case Study
The lab in field test was conducted in September 1998 on a small portion of ground in a coke processing plant. It specifically referred to the ground below the keeping site of a coke-gasification plant. The aspect of the soil was a damp viscous black mass with a strong pitch-tar smell characterized by qualitative and quantitative analyses in Tab. 1 and Tab. 2 while analysis of water extracted by ...
By Biomedy AG
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The Value of Precision Soil Sampling
You can have the most award-winning field out there, but if you can’t have an encore performance every year, it’s a one-hit-wonder. A huge part of how well a farm prospers is down to the soil. Regardless of what crop you grow, they all need balance to thrive. While the surface can provide some indication of soil health, it doesn’t tell the full story. After a harvest, there ...
By Growers
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Four Soil Collection Methods that Actually Work
Without taking the time to perform a soil analysis, it’s nearly impossible to determine what your soil needs to help your crops thrive. While it’s controversial to label any single soil collection method the best, there are four most commonly used methods that work well across most fields. Based on the pros and cons of each, you can determine which tools will help you collect soil ...
By Growers
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What is Hydroseeding?
Origin of Hydroseeding The concept of Hydroseeding or hydromulching as it is also known, is credited to Maurice Mandell of the Connecticut Highway Department in the 1940’s.1 Mandell’s simple concept was to mix seed and water and spray that on the areas around Connecticut highways and roads to sow grass after construction to prevent erosion of the soil. From that start, Hydro-seeding ...
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Assessment of cement’s dust impact on the soil using principal component analysis and GIS
To evaluate the impact of the cement’s dust emitted by the eastern Moroccan cement factory (Oujda Holcim) and deposited on the soil of the Ain Lahjar commune, 58 samples of soil were collected around the factory on a radius of 3 km approximately. The physicochemical analyses of the upper 3 cm of the soil surface samples correspond to the pH, electrical conductivity, the chlorides and the oxides ...
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Sources and leaching of manganese and iron in the Saigon River Basin, Vietnam
High concentrations of manganese and iron in the Saigon River are major problems for the water supply in Ho Chi Minh City (HCMC), Viet Nam. To identify their sources and leaching processes, we surveyed water quality along the Saigon River and ran batch leaching tests using soil and sediment samples. Two important leaching processes were identified: acidic leaching from acid sulfate soil (ASS) in ...
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Impact of agricultural activities on phosphorus in streams draining into Opa Reservoir Ile Ife, Nigeria
Phosphorus is noted as the limiting factor of eutrophication. We investigated the impact of different agricultural land use (mixed cropping, horticultural garden and fallow land) on the phosphorus loading of a reservoir. Soil samples were analysed for pH, particle size distribution, organic matter, available P and erodibility index calculated. Water samples analysed for biological oxygen demand ...
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Buy Smarter – what questions should you ask when buying a pH meter?
When you’re looking to buy a pH meter, whether it’s to start measuring or to replace an existing meter, the range of brands and specifications available is huge. With so many options it can be difficult to know where to start, but taking a little time to choose carefully could save you a lot of time and money overall by making sure the meter you choose is right for you. Try our list ...
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Data Requirements for Soil, Sediment, and Sludge
Site soil conditions frequently limit the selection of a treatment process. Process-limiting characteristics such as pH or moisture content may sometimes be adjusted. In other cases, a treatment technology may be eliminated based upon the soil classification (e.g., particle-size distribution) or other soil characteristics. Soils are inherently variable in their physical and chemical ...
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