Results 11 to 20 of about 5,947,338 (112)

Preparation and Molecular Structural Characterization of Fulvic Acid Extracted from Different Types of Peat

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, Yanan Lu, Litong Ma, Jianguo Cheng, Xiaoxia Wang   +4 more
doaj   +2 more sources

The Positive Effects of Humic/Fulvic Acid Fertilizers on the Quality of Lemon Fruits

Agronomy, 2022
Humic acid (HA) is a kind of organic substance that has shown good effects in regard to promoting crop growth. In the current study, the influences of three kinds of fertilizers mainly containing humic/fulvic acids, including water-soluble fertilizer ...
Xiaoying He, Hanqi Zhang, Jinxue Li, Fan Yang, Weifeng Dai, Cheng Xiang, Mi Zhang   +6 more
doaj   +2 more sources

Effects of Methane Fermentation on Spectral Properties of Fulvic Acid Extracted from Peat through Liquid Acid Precipitation

Journal of Chemistry, 2020
The effects of acid precipitation with different liquid acids on spectral properties of fulvic acid extracted from peat was studied to select the most appropriate liquid acid for the acid precipitation step of the alkali solution acid precipitation ...
Li-Tong Ma, Ya-Nan Lu, Ya-Xiong Wang
doaj   +2 more sources

Fulvic acid application increases rice seedlings performance under low phosphorus stress

BMC Plant Biology
Background Fulvic acid enhances plant growth and interacts synergistically with phosphate fertilizer to alleviate the agricultural production problem of low phosphorus fertilizer utilization efficiency.
Xiaomeng Lv, Qingchao Li, Xuan Deng, Shitao Ding, Ruibo Sun, Shunquan Chen, Wenjing Yun, Changrong Dai, Bingbing Luo   +8 more
doaj   +2 more sources

Phenol-rich fulvic acid as a water additive enhances growth, reduces stress, and stimulates the immune system of fish in aquaculture

Scientific Reports, 2021
Aquaculture has become imperative to cover the demands for dietary animal protein. Simultaneously, it has to overcome prejudices from excessive use of antibiotics and environmental impacts. Natural supplements are traditionally applied orally.
Thora Lieke, Christian E. W. Steinberg, Bo Pan, Irina V. Perminova, Thomas Meinelt, Klaus Knopf, Werner Kloas   +6 more
doaj   +2 more sources

Effects of growth stage and fulvic acid on the diversity and dynamics of endophytic bacterial community in Stevia rebaudiana Bertoni leaves

Frontiers in Microbiology, 2015
The aim of this study was to learn the interactions among the endophytic bacteria, the plant growth, the foliar spray of fulvic acid, and the accumulation of steviol glycosides in the leaves of Stevia rebaudiana.
Xuejian eYu, Jinshui eYang, Entao eWang, Baozhen eLi, Hongli eYuan   +4 more
doaj   +2 more sources

Response of Potato Growth, Yield and Quality to Fulvic Acid and Biochar Applications under Different Levels of Chemical Fertilization [PDF]

Journal of Plant Production, 2020
Two field trials were conducted on potato cv. Spunta, in private farm at Kafr Meet Faris, Dakahlia Governorate, during 2018 and 2019 seasons to study the effect of NPK levels (100%, 75% and 50% NPK of the recommended rate) either single or in combination
H. El- Metwaly
doaj   +1 more source

The influence of L‐proline and fulvic acid on oxidative stress and semen quality of buffalo bull semen following cryopreservation

Veterinary Medicine and Science, 2023
Background This study investigates the effects of cryopreservation and supplementation of Azeri water buffalo's semen with proline (Lp) and fulvic acid (FA). Objectives Therefore, this study aimed to assess motility parameters, sperm viability, oxidative
Negin Ramazani, F. Mahd Gharebagh, A. Soleimanzadeh, H. O. Arslan, E. Keles, D.G. Gradinarska-Yanakieva, D. Arslan-Acaröz, M. Zhandi, A. Baran, E. Ayen, D. Dinç   +10 more
semanticscholar   +1 more source

Peran Senyawa Asam Fulvat dari Air Gambut terhadap Produktivitas Gas Hidrogen dengan Metode Elektrolisis

Rekayasa Mesin, 2022
Wetlands water is water formed from the breakdown of organic substances found in peatlands.
Imron Musthofa, I Nyoman Gede Wardana, Denny Widhiyanuriyawan   +2 more
doaj   +1 more source

Photocatalytic conversion of sugars to 5-hydroxymethylfurfural using aluminium(III) and fulvic acid

Nature Communications, 2023
5-hydroxymethylfurfural (HMF) is a valuable and essential platform chemical for establishing a sustainable, eco-friendly fine-chemical and pharmaceutical industry based on biomass.
Tana Tana, Pengfei Han, A. Brock, X. Mao, S. Sarina, E. Waclawik, A. Du, S. Bottle, Huaiyong Zhu   +8 more
semanticscholar   +1 more source