Results 1 to 10 of about 21,247 (192)
Size and Charge Evaluation of Standard Humic and Fulvic Acids as Crucial Factors to Determine Their Environmental Behavior and Impact [PDF]
Frontiers in Chemistry, 2018 In this work, the size and charge of humic and fulvic standards purchased from the International Humic Substances Society are presented and discussed. The secondary structure of humic substances in water environment as well as the size and shape of the ...
Martina Klučáková
doaj +2 more sources
The Effect of Fulvic Acids Derived from Different Materials on Changing Properties of Albic Black Soil in the Northeast Plain of China [PDF]
Molecules, 2019 Despite low fertility and content of organic carbon in albic black soil, grains are grown in this type of soil in the northeast plain of China in order to find ways to improve the soil’s fertility and crop production. We carried out pot experiments
Mahendar Kumar Sootahar +7 more
doaj +2 more sources
Application of Isotachophoresis to Differentiate Organic Matter in Environmental Samples [PDF]
MoleculesThis paper presents the results of the application of isotachophoresis to analyze organic matter in environmental samples (sewage sludge, river water).
Przemysław Kosobucki
doaj +2 more sources
HUMIC AND FULVIC ACIDS OF GLIRICIDIA AND TITHONIA COMPOSTS FOR ALUMINIUM DETOXIFICATION IN AN ULTISOL [PDF]
AGRIVITA Journal of Agricultural Science, 2010 A laboratory experiment was conducted to elucidate roles of Gliricidia sepium and Tithonia diversifolia composts and their extracted humic and fulvic acids on aluminum concentration in an Ultisol.
Wani Hadi Utomo +3 more
doaj +1 more source
Characteristics of fulvic acids generated in communes waste landfills [PDF]
Archives of Environmental Protection, 2021 The leachate problem is important and difficult to solve in Poland and in the world. The composition and their properties leachates depend on the age of the landfill, type of waste, climatic conditions and the mode of operation of the landfill.
Tomasz Orliński, Anna M. Anielak
doaj +1 more source
Frontiers in Plant Science, 2021 Fulvic acids are organic compounds widely distributed in soils, and the application of fulvic acids is thought to increase crop yield and quality. However, the effects vary among various sources and doses of fulvic acids and environmental and growth ...
Peijia Zhang +8 more
doaj +1 more source
Molecules, 2022 Results of efficiency of obtaining humic substances (HSs) from peat in traditional alkaline extraction (TAE) and ultrasound-assisted alkaline extraction (UAAE) are presented.
Dominik Nieweś +7 more
doaj +1 more source
Obtaining humic materials by mechanochemical reduction [PDF]
MATEC Web of Conferences, 2021 In the study, a mechanochemical modification of peat was carried out, leading to an increase in the number of functional groups and an increase in the solubility of humic complexes with metals.
Yudina Natalya +3 more
doaj +1 more source
Impact of fulvic acid and free amino acids on paclobutrazol absorption by ‘Keitt’ mango
Revista Ambiente & Água, 2020 This study evaluated the impact of fulvic acid and free amino acids on paclobutrazol soil residue, their absorption and effects on ‘Keitt’ mango grown in tropical semi-arid environmental conditions.
Luan dos Santos Silva +2 more
doaj +1 more source
Molecules, 2023 Humic acid is a type of polymeric, organic weak acid mixture with a core aromatic structure and main-component oxygen-containing functional group. Fulvic acid is a type of humic substance that can be dissolved in acid, alkali, or water.
Di Wu +4 more
doaj +1 more source