Humus accumulation, humification, and humic acid composition in soils of two post-mining chronosequences after coal mining

2012 ◽  
Vol 13 (3) ◽  
pp. 491-500 ◽  
Author(s):  
Evgeniy Vasilyevitch Abakumov ◽  
Tomáš Cajthaml ◽  
Jiří Brus ◽  
Jan Frouz
Keyword(s):  
Humic Acid ◽  
Coal Mining ◽  
Acid Composition ◽  
Humus Accumulation

EFFECT OF IRRIGATION AND GRASSING TO CHANGE SOME OF THE BIOLOGICAL PROPERTIES OF THE MINING OF BROWN CALCAREOUS SOILS

2019 ◽  
Vol 1 (1) ◽  
pp. 29-32
Author(s):  
Ruzimurod B. Boimurodov ◽  
Zebinisso Q. Bobokhonova
Keyword(s):  
Folic Acid ◽  
Humic Acid ◽  
Humic Acids ◽  
Rapid Growth ◽  
Growth And Development ◽  
Sharp Increase ◽  
Humus Content ◽  
Calcareous Soils ◽  
Biological Properties ◽  
Humus Accumulation

In this article is showing, that the irrigation mountain brown carbonate soils prone methods of irrigation and grassing comes the rapid growth and development of natural vegetation, which leads to intensive humus accumulation. Humus content in the upper layer is increased by 0.98% and a significantly smaller severely eroded. Increasing the amount of humus promotes accumulation mainly humic acids, that conducts to expansion of relations the content of humic acid: The content of folic acid. When grassing of soil traced sharp increase in the number associated with the related and R2 O3 humic acid.

Humic acid composition and soil fertility of soils near an ancient charcoal kiln: are they similar to Terra Preta de Índios soils?

2018 ◽  
Vol 19 (3) ◽  
pp. 1374-1381 ◽  
Author(s):  
Aline Furtado Rodrigues ◽  
Etelvino Henrique Novotny ◽  
Heike Knicker ◽  
Rogério Ribeiro de Oliveira
Keyword(s):  
Humic Acid ◽  
Soil Fertility ◽  
Acid Composition ◽  
Terra Preta

scholarly journals Dynamics of Radiocarbon in Soils

Radiocarbon ◽  
1993 ◽  
Vol 35 (3) ◽  
pp. 363-367 ◽  
Author(s):  
A. E. Cherkinsky ◽  
V. A. Brovkin
Keyword(s):  
Humic Acid ◽  
Specific Activity ◽  
Chernozem Soil ◽  
Typical Chernozem ◽  
Renewal Time ◽  
Humus Accumulation ◽  
Different Soils ◽  
Modern Standard

We present here a model of humus accumulation in recent soils. We have estimated the coefficients of mineralization of humus and humic acid for a typical Chernozem soil. We suggest a technique for calculating the renewal time of soil with specific activity higher than the modern standard and discuss the results for different soils.

scholarly journals Organic Matter Fractions and Quality of the Surface Layer of a Constructed and Vegetated Soil After Coal Mining. I - Humic Substances and Chemical Characterization

2015 ◽  
Vol 39 (3) ◽  
pp. 886-894 ◽  
Author(s):  
Otávio dos Anjos Leal ◽  
Rosa Maria Vargas Castilhos ◽  
Eloy Antonio Pauletto ◽  
Luiz Fernando Spinelli Pinto ◽  
Flávia Fontana Fernandes ◽  
...  
Keyword(s):  
Organic Matter ◽  
Humic Acid ◽  
Coal Mining ◽  
Chemical Characterization ◽  
Perennial Grasses ◽  
The Other ◽  
Paspalum Notatum ◽  
Natural Soil ◽  
Chemical Fractions

After open coal mining, soils are “constructed”, which usually contain low levels and quality of organic matter (OM). Therefore, the use of plant species for revegetation and reclamation of degraded areas is essential. This study evaluated the distribution of carbon (C) in the chemical fractions as well as the chemical characteristics and humification degree of OM in a soil constructed after coal mining under cultivation of perennial grasses. The experiment was established in 2003 with the following treatments: Hemarthria altissima (T1), Paspalum notatum (T2), Cynodon dactilon (T3), Urochloa brizantha (T4), bare constructed soil (T5), and natural soil (T6). In 2009, soil samples were collected from the 0.00-0.03 m layer and the total organic carbon stock (TOC) and C stock in the chemical fractions: acid extract (CHCl), fulvic acid (CFA), humic acid (CHA), and humin (CHU) were determined. The humic acid (HA) fraction was characterized by infrared spectroscopy and the laser-induced fluorescence index (ILIF) of OM was also calculated. After six years, differences were only observed in the CHA stocks, which were highest in T1 (0.89 Mg ha-1) and T4 (1.06 Mg ha-1). The infrared spectra of HA in T1, T2 and T4 were similar to T6, with greater contribution of aliphatic organic compounds than in the other treatments. In this way, ILIF decreased in the sequence T5>T3>T4>T1>T2>T6, indicating higher OM humification in T3 and T5 and more labile OM in the other treatments. Consequently, the potential of OM quality recovery in the constructed soil was greatest in treatments T1 and T4.

scholarly journals Humic acid composition and humification processes in wetland soils of a Mediterranean semiarid wetland

2017 ◽  
Vol 17 (8) ◽  
pp. 2104-2115 ◽  
Author(s):  
Juan Carlos Rodríguez-Murillo ◽  
Gonzalo Almendros ◽  
Heike Knicker
Keyword(s):  
Humic Acid ◽  
Acid Composition ◽  
Wetland Soils
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