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leonardite

National Institutes of Health

Papers overview

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2016
2016
In 1998, a toxic mine spill polluted a 55-km2 area in a basin southward to Doñana National Park (Spain). Subsequent attempts to… 
2014
2014
Adsorption is one of the important techniques in arsenic removal from aqueous solutions. In this study, the As removal efficiency… 
2012
2012
In order to evaluate the relationship between different traits on grain yield in bread wheat, 12 bread wheat ( Triticum Aestivum… 
2011
2011
A field experiment was conducted under semiarid conditions to investigate the effect of cattle manure (20 and 40 t ha -1… 
2011
2011
Geochemical characterization of the inorganic and organic fractions of a Spanish leonardite coal (Torrelapaja, Cretaceous basin… 
2008
2008
The aim of the 2 years (2006-2007) experiments carried out with carrots was to determine the influence of biostimulators from… 
2001
2001
New Mexico-mined raw leonardite was characterized by comparing it with the International Humic Substances Society's Standard… 
1960
1960
Leonardite, a soft coal-like substance associated with lignite, can be produced in a laboratory under controlled conditions…