| Title |
The physico-chemical properties and biostimulative activities of humic substances regenerated from lignite
|
|---|---|
| Published in |
SpringerPlus, March 2014
|
| DOI | 10.1186/2193-1801-3-156 |
| Pubmed ID | |
| Authors |
Jan David, Daniela Šmejkalová, Šárka Hudecová, Oldřich Zmeškal, Ray von Wandruszka, Tomáš Gregor, Jiří Kučerík |
| Abstract |
The positive effect of humic acids on the growth of plant roots is well known, however, the mechanisms and role of their physical structure in these processes have not been fully explained yet. In this work, South-Moravian lignite was oxidized by means of nitric acid and hydrogen peroxide to produce a set of regenerated humic acids. The elemental composition, solid state stability and solution characteristics were determined and correlated in vitro with their biological activity. A modified hydroponic method was applied to determine the effects of their potassium salts on Zea mays seedlings roots with respect to the plant weight, root length, root division, and starch and protein content. The relations between the determined parameters were evaluated through Principal Component Analysis and Pearson's correlation coefficients. The results indicated that the most important factor determining the biological activity of South-Moravian lignite potassium humates is related to the nature of self-assemblies, while the chemical composition had no direct connection with the root growth of Zea mays seedlings. It was demonstrated a controlled processing that provided humic substances with different chemical and physicochemical properties and variable biological activity. |
X Demographics
The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 1 | 100% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 1 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 40 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Kenya | 1 | 3% |
| Belgium | 1 | 3% |
| Unknown | 38 | 95% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 9 | 23% |
| Researcher | 7 | 18% |
| Student > Master | 5 | 13% |
| Student > Bachelor | 4 | 10% |
| Student > Postgraduate | 3 | 8% |
| Other | 6 | 15% |
| Unknown | 6 | 15% |
| Readers by discipline | Count | As % |
|---|---|---|
| Agricultural and Biological Sciences | 16 | 40% |
| Environmental Science | 6 | 15% |
| Engineering | 2 | 5% |
| Chemistry | 2 | 5% |
| Energy | 1 | 3% |
| Other | 3 | 8% |
| Unknown | 10 | 25% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 03 May 2014.
All research outputs
#18,371,293
of 22,754,104 outputs
Outputs from SpringerPlus
#1,261
of 1,853 outputs
Outputs of similar age
#161,988
of 223,399 outputs
Outputs of similar age from SpringerPlus
#50
of 63 outputs
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