humic acid


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Related to humic acid: fulvic acid

humic acid

A heteropolymeric mixture of organic molecules from biodegradable humis, peat and soil.

humic acid

the precipitate resulting from the addition of acid to a solution of HUMUS. Black in colour, it is insoluble in acids and organic solvents.
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HAeq, humic acid equivalents; BSAeq, bovine serum albumin equivalents.
Waterlogging and soil reduction affect the amount and apparent molecular weight distribution of dissolved organic matter in wetland soil: a laboratory study
Thus, the value of the expression {FN/(1-IN/UN)} decreased with increase in humic acid rate, i.
MAIZE PRODUCTION AND NITROGEN USE EFFICIENCY IN RESPONSE TO NITROGEN APPLICATION WITH AND WITHOUT HUMIC ACID
Humic acids isolated from earthworm compost enhance root elongation, lateral root emergence, and plasma membrane H+ATPase activity in maize roots.
Roots of 'BRS Princesa' banana fertigated with humic substances and saponin-based plant extracts/Raizes da bananeira 'BRS Princesa' fertirrigada com substancias humicas e extratos vegetais a base de saponinas
The raw fulvic acid used here was artificially extracted from a cultured plant, and the humic acid reagent was made by Nacalai Tesque.
Analysis of influence of snow melting agents and soil components on corrosion of decorative chrome plating
Lahore, while humic acid was obtained from Institute of Soil and Environment Sciences, University of Agriculture, Faisalabad.
HUMIC ACID APPLICATION IMPROVES THE GROWTH, FLORET AND BULB INDICES OF GLADIOLUS (Gladiolus grandiflorus L.)
The most pronounced increases in the vegetative growth indicators TSL, PSG, NGL, TLA and PBM) were obtained from the combination of amino acids followed by humic acid with high rates of microelements (h.
Banana plants productivity, nutrients and quality acquisition response to foliar application of microelements and humic or amino acids
Humic acid (HA) (Aldrich, UK) was used in the form of technical grade Na-Salt.
Investigation of Adsorption of Lead(II) onto a Montmorillonite Clay modified by Humic Acid
Content of Phenolic Compounds in Fulvic and Humic Acid Fractions of Forest Soils.
Reducing exchangeable-Al and increasing P availability in ultisol by the application of humic compounds and compost
The effect of humic acid on the toxicity and bioavailability of trivalent chromium.
Addition of a worm leachate as source of humic substances in the drinking water of broiler chickens
Effect of humic acid on growth and quality of maize fodder production.
Efecto del humusbol (humato doble de potasio y fosforo) en el crecimiento del maiz en fase vegetativa
As far as he knows, says Tan, this remains the only book addressing humic acid specifically, its principles, and its controversies, though other scientific studies--mostly conference proceedings--examine specialty topics about it.
Humic Matter in Soil and the Environment: Principles and Controversies, 2nd Edition
Humic acid was extracted from humus by first mixing the humus with a dilute alkali and then precipitating the humic acid out of solution by acidifying the mixture to a pH of 1 to 2.
Extraction, purification and characterisation of nutraceutical grade fulvic acid from lignite coal of Lakhra-Jamshoro, Pakistan

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