Assessment of Some Physicochemical Parameters and Heavy Metals in Hand-Dug Well Water Samples of Kafta Humera Woreda, Tigray, Ethiopia by Kiros Gebremichail Gebresilasie, Goitom Gebreyohannes Berhe, Amanual Hadera Tesfay, Samuel Estifanos Gebre

“…Electrical conductivity and total dissolved solids of the water samples were found to be significantly correlated with total hardness (r = 0.989), total alkalinity (r = 0.827), calcium (r = 0.988), magnesium (r = 0.881), sodium (r = 0.995), potassium(r = 0.996), chloride (r = 0.998), sulfate (r = 1), and nitrate ions (r = 0.972). Out of the selected seven heavy metals, Fe, Cu, Zn, Mn, Cr, Cd, and Pb, only iron was detected in all water samples and its concentration was above the permissible limit of WHO and ESA for drinking water. …”
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Evaluation of spatial variation and nutritional status of environmental quality in the surface seawater from fishing harbours of Hainan island by Ren Bingnan, Geng Jing, Qin Dajun, Yang Bo

“…To investigate the nutrient distribution characteristics and the eutrophication status of the main fishing ports in Hainan Province, this study analyzed the 2021 seawater quality indicators, including biochemical oxygen demand (BOD5), chemical oxygen demand (COD), chlorophyll a (Chl a), ammonia nitrogen (NH4-N), nitrite nitrogen (NO2-N), nitrate nitrogen (NO3-N), and soluble active phosphate (DIP). …”
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Postplanting Nutritional Augmentation of Jeffrey Pine Seedlings on an Infertile Sierran Site by Roger F. Walker

“…Free Flow 29-3-4, a conventional amendment featuring urea as its near exclusive N source, and High N 22-4-6, a controlled release formulation containing ammoniacal, nitrate, and urea N, were the most stimulatory while an organic formulation relying exclusively on a municipal biosolid N source, Milorganite 6-2-0, was the least so. …”
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A Novel Photosynthesis of Carboxymethyl Starch-Stabilized Silver Nanoparticles by M. A. El-Sheikh

“…A new green synthesis method involves using PI/UV system, carboxymethyl starch (CMS), silver nitrate, and water. A mechanism of the reduction of silver ions to AgNPs by PI/UV system as well as by the newly born aldehydic groups was proposed. …”
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Assessment of Water Pollution in Tipparthy Revenue Sub-Division, Nalgonda (District), Andhra Pradesh, India by Medikondu Kishore, Y. Hanumantharao

“…Totally 49 water samples were collected from the different locations (22 villages) of the study area including bore well, open well and hand pump water and analyzed for pH, EC, TDS, turbidity, total hardness, fluoride, chloride, nitrate, nitrite, sulphate, phosphates, calcium, magnesium, sodium, potassium, Iron and dissolved oxygen. …”
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The Impact of Long-Term Nitrogen Addition on Microbial Community Composition in Three Hawaiian Forest Soils by Teri C. Balser

“…Soil parameters, water content, pH, and ammonium and nitrate availability differed by site, but not between control and N-addition treatments within a site at the time of sampling. …”
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Nitric Acid-treated Bentonite Clay: A Novel Oxidation Supported Reagent by Charis R. Theocharis, John B. Tomlinson, Adam O. Whelan, George C.P. Zychowicz

“…The reactive species is believed to be nitrate ions present in the interlamellar species, together with an interlamellar acidic aluminium species which is useful in maintaining the crystallinity of the acid-washed clay. …”
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Determination of Bromate at Trace Level in Sudanese Bottled Drinking Water Using Ion Chromatography by Mei Musa, Ibrahim M. Ahmed, Ismat Atakruni

“…Interferences from some anions eg. nitrate, chloride and nitrite were studied. The method was applied for the determination of bromate ion in ten sudanese bottled drinking water. …”
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Lipid content and wastewater treatment potential of Chlorella vulgaris and Scenedesmus obliquus isolated from Uzuncayır Dam Lake by Can Şafak Seyhaneyıldız, Can Erkan, Yılmaz Kadir

“…As a result, microalgae increased their biomass and lipid content, while consuming nitrite, nitrate, phosphate, and ammonium from the wastewater as nutrients.…”
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Assessment of Groundwater Quality Using Water Quality Index from Selected Springs in Manga Subcounty, Nyamira County, Kenya by Alice Makonjo Wekesa, Calford Otieno

“…Water quality index was calculated based on pH, turbidity, nitrate, phosphate, calcium, magnesium, chloride, sulphates, fluoride, iron, total phosphorous, total hardness, total alkalinity, total dissolved solids, and total coliform. …”
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An Internet-Based Simulation Model for Nitrogen Management in Agricultural Settings by M.J. Shaffer, B.J. Newton, C.M. Gross

“…Department of Agriculture (USDA) has developed an Internet-based nitrogen analysis tool. Based on the Nitrate Leaching and Economic Analysis Package (NLEAP), the Web site allows a user to conduct multiyear N simulation modeling specific to a crop field. …”
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Physiological impact of Trichoderma viride agents on the quality and production of melon that is grown on soils continuously cropped to melon by Jingyi Liu, Hua Lian, Jingwei Dou, Jingjing Li, Guangliang Zhu, Jiatong Wang, Guangshu Ma, Mei Li

“…The results showed that different amounts of T. viride agents could improve physiological and biochemical indices of melon leaves during the fruiting stage; the treatment of 6.4 × 105 CFU/g was the most effective; chlorophyll content, nitrate nitrogen content, sucrose content, reducing sugar content, free proline content, nitrate reductase (NR) activity, peroxidase (POD) activity, and superoxide dismutase (SOD) activity of melon leaves increased at 30 days after melon pollination. …”
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PM2.5 Emission Elemental Composition from Diverse Combustion Sources in the Metropolitan Area of Mexico City by V. Mugica, F. Mugica, M. Torres, J. Figueroa

“…The OC/TC ratio found in the different PM2.5 profiles was dissimilar as well as the sulfate, nitrate, ammonium, soil species, and trace element content. …”
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Waste Water Reduction Using Four Densities of Seaweed to Improve Water Quality for White Leg Shrimp (Litopenaeus white leg) Culture: Laboratory Scale by Gamal M. Samadan, Aras Syazili, Supyan Supyan, Muhammad Nur Findra

“…The study' goals were to determine how well Gracilaria sp. developed and how well seaweed absorbed N and P elements from vaname shrimp culture waste, specifically ammonia (NH3), nitrite (NO2), and nitrate (NO3). Three different treatments for the weights of the seaweed were employed in the study: 50, 75, and 100 grams. …”
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Investigation of inorganic nutrients and pollutants in private gardens in central Germany using citizen science by Christoph Koch, Maria Peter

“…In addition, samples in which particularly high concentrations of pollutants were found were extracted with ammonium nitrate to examine the substances that are readily available to plants. …”
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Structural Modification of Sol-Gel Synthesized V2O5 and TiO2 Thin Films with/without Erbium Doping by Fatma Pınar Gökdemir, Ayşe Evrim Saatci, Orhan Özdemir, Kubilay Kutlu

“…Comparative work of with/without erbium- (Er-) doped vanadium pentoxide (V2O5) and titanium dioxide (TiO2) thin films were carried out via sol-gel technique by dissolving erbium (III) nitrate pentahydrate (Er(NO3)3·5H2O) in vanadium (V) oxoisopropoxide (OV[OCH(CH3)2]3) and titanium (IV) isopropoxide (Ti[OCH(CH3)2]4). …”
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Ground Water Quality Determination of former Lake Haramaya, Haramaya District, Eastern Haranghe Zone, Oroma Regional State, Ethiopia by Zinabu Tebeje Zewdu

“…Based on TDS and hardness the samples were classified as fresh and very hard water. 33.3 percent of Fluoride (mg/l) and 66.67 percent of Nitrate (mg/l) results were higher than WHO recommended value with mean of 0.88 ± 0.18 and 17.6 ± 4.4 respectively. 66.7 percent of the turbidity was found to be above the WHO limit and 83.3 percent of the samples have total colifoms above the guideline value and it reveal the necessity of treatment before use. …”
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A Localized Surface Plasmon Resonance Sensing Method for Simultaneous Determination of Atenolol and Amiloride in Pharmaceutical Dosage Forms and Urine Samples by Marwa R. El-Zahry

“…Silver nanoparticles were prepared by chemical reduction of silver nitrate using hydroxylamine HCL in an alkaline medium. …”
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Biodegradation Potential of Oil-based Drill Cuttings Encapsulated with Cement in the Soil Environment by Rim-Rukeh Akpofure

“…Results of soil analyses show that physico-chemical and biological characteristics of the soil environment as; pH (5.6 – 3.9), temperature (27.7 – 39.5 oC), redox potential (-114mV – (-80mV), total organic carbon (12.7% - 7.3%), sulphate (0.7 – 0.2mg/l), nitrate (6.7 – 2.2mg/l), moisture content (82-89%) and total microbial count (105 – 1013 cfu/g). …”
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Phosphate Ion Removal from Aqueous Solution Using an Iron Oxide-Coated Fly Ash Adsorbent by Shuhua Yao, Jinyan Li, Zhongliang Shi

“…The ability of an iron oxide/fly ash composite adsorbent prepared with municipal solid waste fly ash and iron nitrate to remove phosphate ions from aqueous solutions has been tested. …”
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