Results 31 to 40 of about 21,286 (231)
Chemical and Biological Technologies in Agriculture, 2021 Background Humic substances can be considered as polyelectrolytes with supramolecular character and complicated behaviour in water environment. The fractions of humic substances dissolved in water are the most active ones and determinative for their ...
Martina Klučáková
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Polish Polar Research, 2020 Humic substances are polydisperse mixtures of structurally complex matters with different molecular weights. The complexity of molecular composition of humic substances is reflected through their physical and chemical properties and results in diverse ...
Lodygin, Evgeny, Vasilevich, Roman
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Рослинництво та ґрунтознавство, 2023 The soil-forming process is closely related to the accumulation and circulation of organic substances, which are a source of nutrients for plants released during the mineralisation of humus, so research on determining the qualitative composition of humus
M. Voitovyk +3 more
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Reduced adsorption of caesium on clay minerals caused by various humic substances [PDF]
, 1999 The effect of the addition of various humic substances on the adsorption of caesium on two mineral clays has been studied. All measurements were carried out in dilute suspension under controlled conditions of temperature and ionic strength.
Dumat, Camille, Staunton, S.
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Humic substances and rhizobacteria enhance the yield, physiology and quality of strawberries
Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 2022 The strawberry fruit (Fragaria × ananassa Duch.) is appreciated for its aroma, color, texture and nutritional value. In conventional agriculture, the use of fertilizers damages the environment since it causes loss of soil fertility, salinity and its ...
Simeón MARTÍNEZ-DE LA CRUZ +6 more
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Chemical characterization of water-soluble organic carbon aerosols at a rural site in the Pearl River Delta, China, in the summer of 2006 [PDF]
, 2009 Online measurements of water-soluble organic carbon (WSOC) aerosols were made using a particle-into-liquid sampler (PILS) combined with a total organic carbon (TOC) analyzer at a rural site in the Pearl River Delta region, China, in July 2006.
Blake, DR +12 more
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Evaluation of organic matter stability during the composting process of agroindustrial wastes. [PDF]
, 2002 Composting of wastes from citrus industrial processing (pastazzo and sludge) was studied in order to evaluate the evolution of organic matter during the process and to individuate chemical and/or biochemical techniques able to set the stability of the ...
Benedetti, Anna +3 more
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The Scientific World Journal, 2001 We are studying the chemical quality of dissolved organic nitrogen (DON) in a high-elevation watershed in the Colorado Front Range. Samples were collected over the 2000 snowmelt runoff season at two sites across an alpine/subalpine ecotone to understand ...
Eran W. Hood, Mark W. Williams
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Extraction of humic acid by coacervate: Investigation of direct and back processes [PDF]
, 2012 The two aqueous phases extraction process is widely used in environmental clean up of industrial effluents and fine chemical products for their reuse.
Derriche, Zoubir +4 more
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SYNTHETIC FULVIC ACIDS FROM TANNIN
Vìsnik Dnìpropetrovsʹkogo unìversitetu. Serìâ Hìmìâ, 2021 Исследование представляет новый, простой и эффективный метод получения синтетических фульвокислот из танина. Синтез основан на реакции окисления танина чистым кислородом в сильно щелочной среде. Комплексное исследование физико-химических и спектроскопических свойств полученного продукта с использованием методов элементного анализа, спектроскопии в УФ ...
Litvin, Valentina A., Abi Njoh, Roger
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