Results 71 to 80 of about 2,546,424 (196)

The incorporation of glycylglycine into humic acid [PDF]

Biochemical Journal, 1971
D R, Perry, W A, Adams
openaire   +2 more sources

Humic Acid: Aggregate, Floc, Macromolecule, Micelle, Polymer, or Supramolecule?

, 2012
Two humic acids, extracted from an Alfisol forest soil and a lignite mined in Greece, were purified of ash components, size fractionated by membrane dialysis, and polarity fractionated by adsorption chromatography on XAD-8 resin to determine binding ...
Jerry Leenheer, Yiannis Deligiannakis, Marios Drosos   +2 more
core   +1 more source

Efficacy of Potassium Humate Prepared from Tropical Peat Soil for Maize Growth and Nutrient Uptake under Acidic Soil Conditions of Malaysia

Pakistan Journal of Agriculture
Humic substances have many beneficial effects on soil and plant growth. The peat is an accumulation of partially decayed organic matter that can be used to isolate humic acid from it. The objective of this study was to prepare humic acid from peat soil and
Amjad Ali Shujrah, Muhammad Saleem Sarki, Muhammad Siddique Lashari, Zohaib ur Rahman Bughio, Muhammad Azam Solangi   +4 more
doaj   +1 more source

Remoção de matéria húmica aquática, ferro e manganês de águas para abastecimento por meio de coagulação, floculação, sedimentação e filtração com membranas [PDF]

, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Ambiental, Florianópolis, 2013.A água destinada ao abastecimento pode ser obtida de fontes superficiais ou subterrâneas, sendo ...
Chéry Leal, Marie José
core  

Influence of humic acids on growth performance, bravery, stress resistance, antioxidant activity, and immune gene expression in male Siamese fighting fish (Betta splendens)

Aquaculture Reports
The current study investigated the effects of a humic acid supplement on the growth performance, antioxidant enzyme activity, immune-related genes, behavior and endocrinology of male Betta splendens fish.
Mina Hemmatzadeh, Hamid Mohammadiazarm, Seyed Ahmad Ghasemi, Annahita Rezaie   +3 more
doaj   +1 more source

Humic Substances Enhance Waterlogging Tolerance in Cabbage Seedling via Antioxidant Activation and Hormonal Reprogramming

Horticulturae
As climate change continues to alter rainfall patterns and precipitation regimes across the globe, waterlogging is emerging as a widespread and pressing issue that threatens agricultural productivity and food security.
Melek Ekinci, Selda Ors Cirik, Ertan Yildirim, Metin Turan, Murat Aydin, Esma Yigider, Aslı Cangönül   +6 more
doaj   +1 more source

Modelling the humification process and the humic acid molecule

, 2010
The structural origin of the properties of humic acids (HA) is of great importance. Natural humic acids (HA) consist of several major functional groups, predominantly carboxylic (R-COOH) and phenolic (R-OH), as well as carbonyl (C=O) and quinoid ...
Yiannis Deligiannakis, Marios Drosos
core   +1 more source

Carbon Storage in an Artificial Soil [PDF]

, 2012
As we strive to find new technologies to dispose of our municipal solid waste, compost-like outputs (CLOs) are becoming more widely created. As a product of both aerobic and anaerobic digestion, they provide a potentially important carbon store and some ...
STEWART, LAURA
core  

The role of organic compounds in modifying functional relationships and morphophysiological traits of wheat under water stress: a correlation network analysis

Scientific Reports
Wheat (Triticum aestivum L.), playing a significant role in providing food security and agricultural economy, is one of the most important cereals in the world.
Seyed Karim Irani Takleh, Morteza Barmaki, Ali Omrani, Seyed Habib Shojaei   +3 more
doaj   +1 more source

Study of Lignite Humic Acids.(II) Methylation of Humic Acids.

Journal of the Fuel Society of Japan, 1954
Kozo Higuchi, Michio Tsuyuguchi
openaire   +3 more sources