Humic acid       Article     History   Tree Map
  Encyclopedia of Keywords > Nature > Matter > Soil > Humic Acid   Michael Charnine

Keywords and Sections
Review of Short Phrases and Links

    This Review contains major "Humic Acid"- related terms, short phrases and links grouped together in the form of Encyclopedia article.


  1. Humic acid is a potent chelator as well.
  2. Humic acid is an example of an organic acid in that it is formed from carbon-based compounds. (Web site)
  3. Humic Acid is a biostimulant and can be used on turf, trees, shrubs, bushes, beds, gardens and even on indoor plants. (Web site)
  4. Humic Acid is a Bio-stimulant that is derived from concentrated compressed Carbon based Organic materials in the form of leonardite shale.
  5. Humic acid is a fraction of organic matter categorized as humic substances.

Heavy Metals

  1. Another benefit of humic acid is to detoxify the soil of heavy metals.
  2. As humic acid penetrates compacted clay platelets, it segregates salts (positive ions) and removes them from the clay particle surface. (Web site)
  3. In the fall of 2005 our good friend, Mr. Ron Wallace, ordered a 50# bag of our Humic Acid to try on his pumpkin patch.
  4. Greensmiths Humic Acid will also help keep fertilizer from leaching through the soil and will initiates vigorous root development. (Web site)
  5. These situation shows that applying of humic acid within a few times during the plant growth will be more suitable for plant yield.


  1. Hypothesis two: Humic acid increases the rate of phosphorus uptake in calcareous sand.
  2. Humic acid increases nutrient uptake, seed germination, and holds moisture.
  3. The effect humic acid has on phosphate uptake in calcareous sand will also be studied.

Functional Groups

  1. Humic acid is 9% functional groups, tannic acid 13% and citric acid 50% per molecule (Grossl and Inskeep, 1992).
  2. The adsorption and desorption of Hg(II) by humic acid (HA) previously adsorbed on kaolin was studied. (Web site)
  3. In this sense, differences between the surface functional groups for Hg(II) adsorption on kaolin and the humic acid must be emphasized. (Web site)
  4. Humic acid as a detergent One of the most important properties of HA is its detergent character, i.e.

Humic Acids

  1. Our humic acid peat comes right out of our bog just North of Olympia, Washington.
  2. DORADO J., ALMENDROS G. and GONZÁLEZ-VILA. F.J. (2000). Effects of humic acid concentration on the retention patterns of phenoxyacetic acids in soil.


  1. If we take the flocculated humic acid and dry it down to form a black mass that can be crushed and sized by dry sieving, we have humate.
  2. Humic acid can be extracted from any material containing well-decomposed organic matter - soil, coal, composts, etc.
  3. Because humic acid is one of the end products of the biological decay of organic matter, it has great resistance to further decomposition.
  4. Is a humic acid concentrated from organic carbon derived from Leonardite.

Fulvic Acid

  1. NI, non-incubated; A, abiotic; B, biotic; HA, humic acid; FA, fulvic acid.
  2. Centrifuge to separate the humic acid (precipitate) and fulvic acid (supernatant - FA Extract 2) fractions.


  1. Therefore, the chemical properties of humate and humic acid are basically the same.
  2. Biotic materials in soil include glomalin, Dopplerite and humic acid.
  3. Both were studies that demonstrate how strongly humic acid can absorb fungicides and herbicides.
  4. In this research, effect of humic acid and incubation period on some soil properties were determined.
  5. It was reported that humic acid affects physical and chemical properties of soils (Vaughan and Linehan 1976; Boyle et al.


  1. The chelating action of humic acid is sometimes used to produce chelated iron products.
  2. Without the addition of a nutrient such as iron, the claim is often made that humic acid has the ability to solubilize micronutrients already in the soil.


  1. Hypothesis one: Humic acid increases time between watering of sand putting greens.
  2. This study showed that humic acid may retain moisture longer in creeping bentgrass putting greens.


  1. Several humic acid and humate products were among those tested.
  2. Humic acid will not compensate for poor turfgrass cultural practices.
  3. Now let-s go to the research reports on the effects of humic acid additions on turfgrass.


  1. Humic Acid increases the availability of nutrients that are already in your soil and will naturally aerate the soil from the inside. (Web site)
  2. Especially over 500 ppm rates of humic acid were more efficient on availability of Fe.


  1. The humic acid treatment had the longest irrigation interval of 5.7 days.
  2. Three new bentgrass plugs had to be used in place of the old humic acid treatments.


  1. Water stable aggregates of the soil were affected by the humic acid rates and incubation periods (Table 7).
  2. Seven rates of humic acid (0, 100, 250, 500, 1000, 2000 and 4000 ppm) were added to the soil at three incubation periods (30, 60 and 90 days).


  1. Reprecipitate the humic acid by adding 6 M HCl with constant stirring to pH = 1.0 and allow the suspension to stand again for 12 to 16 h.
  2. Humic acid is soluble at pH 2, fulvic acid is soluble at all pH values and humin is insoluble at all pH values.
  3. Generally, humic acid (HA) addition decreased pH values at the first incubation period.


  1. Encyclopedia of Keywords > Nature > Matter > Soil
  2. Glossaries > Glossary of Soil Science /
  3. Books about "Humic Acid" in

Book: Keywen Category Structure

  Short phrases about "Humic Acid"
  Originally created: April 03, 2008.
  Links checked: April 02, 2013.
  Please send us comments and questions by this Online Form
  Please click on Move Up to move good phrases up.
0.0079 sec. a=1..