Results 61 to 70 of about 493,503 (195)

Organic acids in the production, quality, and mineral composition of mango fruit cv. Palmer in the semiarid region

Acta Scientiarum. Agronomy
This study evaluated the response of ‘Palmer’ mango trees to the foliar application of potassium (K) and humic substances in the Brazilian semi-arid region.
Ana Paula Torres, Bruno Emanuel Souza Coelho, Karla dos Santos Melo de Sousa, Ítalo Herbert Lucena Cavalcante, Jenilton Gomes da Cunha, Talison Souza da Silva, Isadora Mororó de Souza, Augusto Miguel Nascimento Lima   +7 more
doaj   +1 more source

Humic Substances

, 2021
Present in soil and water, humic substances are the most widespread organic compounds, naturally occurring from a physical, chemical, and microbiological transformation of biomolecules.

core   +1 more source

Co-engineering biochar and artificial humic substances: advancing photoreduction performance through structure design

Biochar
Engineered biochar with enhanced photochemical properties holds great potential for environmental remediation. However, natural humic substances, crucial players in environmental redox processes, are structurally complex and slow-forming, hindering ...
Liming Sun, Minghao Shen, Chao Jia, Fengbo Yu, Shicheng Zhang, Xiangdong Zhu   +5 more
doaj   +1 more source

Proceedings Book of the Communications presented to the 15th Meeting of the International Humic Substances Society [PDF]

, 2010
Book in three volumes: Vol.1(293 p); Vol.2 (437 p); Vol.3 (381 p). Congreso celebrado del 27 de junio-2 de julio, 2010, en Puerto de la Cruz, Tenerife, Islas Canarias (España).The International Humic Substances Society (IHSS) was founded in 1981 to bring
González-Pérez, José Antonio, Almendros Martín, Gonzalo, González-Vila, Francisco Javier   +2 more
core  

Platinum-Containing nanocomposites based on Humic substances from brown coal

Proceedings of the Mongolian Academy of Sciences, 2019
In the presentreport we look intosynthesized silver and gold-containing nanocomposites based on humic substances. The composition and properties of humic substances isolated from brown coal in Mongolian deposits have beenestablished.
Gania Dolmaa, Galina Petrovna Aleksandrova, Marina Vladimerovna Lesnichaya, Byambajav Nomintsetseg, Anatoly Nikolaevich Sapojhnikov, Boris Genadevich Sukhov, Batnasan Bayaraa, Duger Regdel, Boris Aleksandrovich Trofimov   +8 more
doaj   +1 more source

Caracterização estrutural das substâncias húmicas aquáticas extraídas dos rios itapanhaú e ribeira de iguape

Química Nova, 2011
The knowledge of the structure characteristic of the Organic Matter is important for the understanding of the natural process. In this context aquatic humic substances (principal fraction) were isolated from water sample collected from the two distinct ...
Danielle Goveia, Julio Cesar Rocha, Luciana Camargo de Oliveira, Leandro Cardoso de Morais, Valquiria de Campos, Leonardo Fernandes Fraceto, André Henrique Rosa   +6 more
doaj   +1 more source

Structural changes in lipid-free humic acids during composting of sewage sludge [PDF]

, 2005
Structural changes in humic acids (HAs), extracted after lipid removal from sewage sludge during composting, were investigated using various chemical methods (elemental analysis, Fourier transform infrared spectroscopy and 13C-nuclear magnetic resonance
Amir, Soumia, Hafidi, Mohamed, Revel, J.C., Merlina, Georges, Revel, Jean-Claude   +4 more
core   +1 more source

Fertigation of ‘BRS Princesa’ banana with humic substance and saponin-based plant extracts

Revista Ceres
The use of humic substances and plant extract has been increasing mainly in organic crop systems without scientific-based recommendations. Research is necessary to evaluate the feasibility and the recommendations of these substances.
Diego Magalhães de Melo*, Eugênio Ferreira Coelho, Raul Castro Carriello Rosa, Ana Lucia Borges, Djalma Barbosa dos Santos, Bruno Laécio da Silva Pereira   +5 more
doaj   +1 more source

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.
Kameche, Mohamed, Derriche, Zoubir, Ghouas, H., Ghouas, Halima, Haddou, Boumediene, Gourdon, Christophe   +5 more
core   +1 more source

Composition characteristics and metal binding capacity of dissolved organic matter in the agriculture‐dominated Tuhai River

River
An essential part of river ecosystems, dissolved organic matter (DOM) has an enormous effect on the transport and variability of heavy metals. Nonetheless, our understanding of how the DOM affects heavy metal behavior in agricultural rivers remains ...
Dongling Sang, Xin Yao, Weiwei Lü, Zhaoli Sun, Shanshan Wang, Jinye Wang, Na Jiang, YingHao Zhang, Huanguang Deng   +8 more
doaj   +1 more source