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Research Article Volume 3 Issue 1
Abstract: Previous studies have reported neurocognitive deficits in persons living at high altitudes. This study was conducted to assess the neurocognitive performance of children who have resided their entire lives at altitudes of 3500 to 4200 meters in the Ecuadorian Andes. Neurocognitive performance was assessed with the Raven Coloured Progressive Matrices (RCPM) and the Digit Span (DS), tests which are reported to have minimal cultural bias.
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Abstract: Inadequate waste management from the lead-acid battery recycling (LABR) industry can severely pollute the soil. This work aimed to assess heavy metal contamination of a defunct LABR site in Mexico. Total, DTPA-extractable, water-soluble metal concentrations and soil fractionation were analyzed. Speciation of Na and Pb was calculated by Geochemist's workbench 10 Software package based on soil solution analysis.
Review Article Volume 3 Issue 1
Abstract: The potential and explored lengths of the shafts of the Bakony Region were studied. Shaft patterns were distinguished with the help of shaft maps and potential shaft lengths were calculated considering preforming geological structures and the thickness of the vadose zone. The average depth and average specific length of the explored shaft lengths were calculated in some areas of the Bakony Region.
Abstract: Soil pollution is majorly caused by human activities (viz: Agricultural practices, industrial activities and poor waste management) and natural effects such as flooding, acid rain, weathering processes. Soil pollution often cause soil barrenness, offensive odour etc. The resultant effect could impact on soil, air and water quality as well as human that reside or work close to the polluted area over a period of time depending on the physical nature of the pollutant as well as its concentration.
Review Article Volume 2 Issue 1
Abstract: The study was performed of the bioremediation efficiency of the soil contaminated with oil (20 to 100 g/kg), petroleum (20 to 60 g/kg) and diesel fuel (20 to 40 g/kg) with the help of earthworms Dendrobena veneta in the presence of bacteria Pseudomonas, nitrogen fixing bacteria Azotobacter and Clostridium, yeasts Saccharomyces, fungi Aspergillus and Penicillium, as well as Actinomycetales, all being components of biopreparation Baykal-EM.
Review Article Volume 1 Issue 1
Abstract: The problem of oil-contaminated soils remediation in the Far North regions is considered. The need in the destructed areas restoration is demonstrated. A review of existing conventional methods for the destructed areas restoration consisting of two stages: Technical and biological, is carried out. The main complex of technical remediation activities and the stages of biological remediation are described. Besides, the inefficiency of using the conventional method in the regions of the Far North is estimated.
Abstract: The rainfall-runoff events and erosion process usually begins with raindrop impact on bare or nearly bare soils with the resulting splash causing the soil particles to become detached and subsequently, overland flow transports these particles towards down slope. During the past decades, the understanding of soil splash mechanisms by raindrops and their erosivity have been actively investigated.
Research Article Volume 1 Issue 1
Abstract: Laboratory and computer experiments were conducted to 1) determine the effect of supporting electrolyte on mass distribution coefficient (KD) for predicting P movement at 30- and 60-cm soil depths using HYDRUS-1D and 2) compare the temporal P concentrations as a function of soil type. The results on Candler fine sand at Lake Alfred showed that P contents for the KD estimated with 0.01 M KCl and 0.005 M CaCl2 were 10 to 15% higher than those predicted with a KD value measured with fertilizer mixture.
Abstract: Management practices such as no-till (NT) and nitrogen supply affect soil water and nutrient use, thereby affecting wheat grain yields. The 13C/12C ratio or δ13C, expressed as Δ13C discrimination in photosynthesis and wheat dry matter accumulation and yield may also be affected under different N supply and management practices. We utilised the Δ13C values of wheat dry matter at anthesis and grain sampled at harvest grown under conventional till (CT) and NT, applied with 0 and 75 kg N ha-1, over a 5-year period, to assess the water use and water use efficiency (WUE) under variable seasonal conditions and N supply in a semi-arid rain-fed conditions.