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The Benefits of Humic Acids in Agriculture

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Humic substances have a high anion exchange capacity which allows them to hold nutrients such as nitrogen and phosphorus in the soil and prevent them from leaching. There are three different fractions of humic substances generally referred to as humic acid, fulvic acid, and humin.

In this webinar, John describes the roles of these three fractions, how manufactured humic acids and fulvic acids are produced, and where and how to use them for the greatest crop response. John also describes HumaCarb, AEA’s humic acid product, why it is more effective than other humic acids, and how to use it.

The recording of the webinar can be viewed here:

Publicado en: Ciencias
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The Benefits of Humic Acids in Agriculture

  1. 1. THE BENEFITS OF HUMIC ACIDS IN AGRICULTURE A Webinar Hosted by AEA Featuring John Kempf
  2. 2. What are humic substances?
  3. 3. Humic substances have 3 components • Humic acid • Fulvic acid • Humin
  4. 4. • Prevent nitrogen leaching • Provide fungal food source • Stabilize phosphorous • Increase absorption of nutrients • Tie up chemicals such as cadmium and sodium • Increase plant biomass • Enhance root growth • Chelate harmful toxins and prevent plant absorption • Increase water retention • Improve microbial growth • Improve overall soil structure • Buffer the pH value of soils • Help to eliminate iron chlorosis by increasing iron uptake • Improve overall plant vigor • Help plants better resist abiotic stress • Increase germination • Improve soil CEC Citations Halliday, Brett, What are the Biggest Agricultural Benefits of Humic Material? Apr 3, 2014 What-are-the-Biggest-Agricultural-Benefits-of-Humic-Material C. L. Mackowiak *, P. R. Grossl and B. G. Bugbee, Beneficial Effects of Humic Acid on Micronutrient Availability to Wheat, Nov, 2001, Vol. 65 No. 6, p. 1744-1750, publications/sssaj/abstracts/65/6/1744 R. M. Atiyeh, S. Lee, C. A. Edwards, N. Q. Arancon, J. D. Metzger, The influence of humic acids derived from earthworm-processed organic wastes on plant growth January 2002, 10.1016/S0960-8524(02)00017-2 Serenella Nardi, Diego Pizzeghello Adele Muscolo, Angelo Vianello Physiological effects of humic substances on higher plants, August 2002, Studies Show Humic Substances Can
  5. 5. Humic substances have tremendous untapped potential to positively impact biology
  6. 6. Using chemical extraction substantially reduces the effectiveness of humic substances. Many humic acid products are chemically extracted which denatures the components.
  7. 7. Naturally processed products deliver greater performance and results.
  8. 8. AEA products are not chemically extracted, and thus retain the bioactive components.
  9. 9. AEA’s HumaCarb HumaCarb contains all three humic substances, humic acid, fulvic acid, and humin. HumaCarb™ This product is intended for use according to an approved organic system plan. All materials comply with the USDA National Organic Program (NOP) rules for certified organic crop production. Verify with your organic certifier before using. Guaranteed Analysis: CONTAINS NONPLANT FOOD INGREDIENTS Soil Amending Ingredients: 10% Humic acid (derived from humalite) 90% Total Other Ingredients Purpose: HumaCarbTM is a soil conditioner and may aid in micronutrient uptake. APPLICATION RATES AND TIMING Thisproductisintendedforsoilapplicationsandshouldonlybeusedin accordancewith the manufacturer’s directions. Side dress: Mix with liquid nitrogen fertilizer at 3% of solution. Small Grains: Apply up to 2 quarts per acre at late tilling or as needed. Vegetables and Fruits: Apply up to 1 quart per acre per week, starting at transplant or greening. Handling: Store in a cool dry area out of direct sunlight. This product has been tested to store safely down to 35°F. Crystallization or sedimentation may occur below 35°F or above 95°F. Shake or stir before use to dissolve any residue on the bottom of the container. Do not pre-mix or store in diluted form. Always use product within 8 hours of diluting. When tank mixing: A jar test is recommended: Prepare a small amount of the proposed mix and allow it to stand in a glass jar overnight observing for signs of incompatibility. Ideally, a sample of the test mix should then be sprayed on a small area of the target crop and observed for 3 to 4 days for any phytotoxic effects. Agitation is the key to usability of this product. AEA products involve tiny particles which are far too small to clog filters; however, if they are inadequately diluted or agitated before and during application there is a possibility of problems with spray equipment. Consider using an eductor nozzle to agitate prior to use. Compatibility and/or performance cannot be guaranteed when combined with other products.Density: 9.20 lbs. per gallon at 68oF F2315 Information regarding the contents and levels of metals in this product is available on the internet at Net Contents: 1 gallon (3.78L) 9.2 lbs. 5 gallon (18.92L) 46 lbs. 30 gallon (113.56L) 276 lbs. 55 gallon (208.2L) 506 lbs. 275 gallon (1041L) 2530 lbs. Disclaimer: AEA products are sold “as is” and all warranties, expressed or implied, are disclaimed. In no event shall AEA or its affiliates be liable for any damages of any kind for the storage or use of this product. The buyer assumes all responsibility for the use of any AEAproducts. HumaCarb™ humic acid and fertilizer stabilizer HumaCarb™ is a natural concentrate of humic substances derived from humalite deposits, designed to enhance nutrient absorbtion and reduce the need for fertilizer applications. Stabilizes nitrogen and phosphorus1 Enhances nutrient uptake2 Chelates plant nutrients add for improved efficiency of applied fertilizers3 Improves soil conditions for better overall plant mass4 where & how to use Liquid concentrate should be tank mixed with liquid fertilizers as 3% of the total solution. Non-synthetic humic substances have a low pH (4 - 4.5) and can be tank mixed with most fertilizers.* Works especially well on lighter, sandier soils or in areas of greater than average rain fall. HumaCarb™ performs well on a variety of crops, especially on forages and soybeans, as well as fruits and vegetables. May be mixed with liquid manure to stabilize nitrogen and reduce odor while manure. This product is suitable for use under NOP. using. * A jar test should be conducted when mixing HumaCarb™ with any other product. 1. Depending on the form of fertilizer applied, nitrogen may become a structural component of humic substances as a stable organic material, preventing it from leaching through the soil. (Haworth, 1971; Stevenson, 1982; Haynes and Swift, 1990; Kelly and Stevenson, 1996) In their natural state, humic substances contain anywhere from 1% to 5% nitrogen. Reduction of nitrogen application (Day, et al, 2000, Fataltah, et al, 2001) et al, 2004) and worldwide (Karr, 2001) nutritional supplement makeup HumaCarb™ is derived from a complete humalite ore which contains the humic acid, fulvic acid, and humin compounds found in these deposits. Humic acids are usually extracted from leonardite ore in a strong alkali solution generally using sodium or potassium hydroxides. Compared to leonardite products, humalite contains less ash, fewer heavy metals and much more humic and fulvic acids. Unlike other humic acids available on the market, HumaCarb™ is produced using a process that preserves all the natural properties of the humic 100% all natural mined humalite. application rates and timing Usual application rates are 2-3 quarts per acre. increased application. HumaCarb™ should be tank mixed with liquid fertilizers at a 3% solution. Check the label on the product or consult your local AEA representative. While this product can be used individually, it has been designed to be used along with other complementary products as part of an overall fertility program that will produce the highest quality results. If you are currently not taking advantage of our consulting service, please call 800-495-6603 to get connected with an AEA consultant.
  10. 10. How To Use HumaCarb: Blend into • liquid nitrogen • liquid phosphorus as 3% of the total liquid solution either by weight or by volume.
  11. 11. How To Use HumaCarb: Blend into liquid manure at a rate of 1 gallon per 10,000 gallons.
  12. 12. Call to order AEA HumaCarb: (800) 495-6603 ext. 344