Is HUMIC ACID A Scam? (Research Says...)

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Topic du jour- this ain't a level lawn haterade review... This is an old question and answer: Is Humic Acid a Scam?

In today's video, we go through a series of research papers to look at the latest turfgrass and lawn care research on the efficacy of humic acid as a tool for various conditions.

Have you ever wondered what humic acid does? What is humic acid? Is it doing anything? Is it worth the money?

In this video, we look at humic acid and nutrient uptake, humic acid and soil health, humic acid and phosphorus, humic acid and soil moisture retention, humic acid and cation exchange capacity, humic acid and root development, and others.

The science may not say what you would expect it to say.

But by the end of the video, I think there's a clear answer to the question: Is Humic Acid a Scam?

00:00 Intro
00:41 Health Update
03:59 Outline
04:14 Humic Substances
07:10 Does Humus Exist?
10:53 STUDY- Nature of Soil Organic Matter
17:17 Make Humic Acid
18:52 Negative Results In Turfgrass
19:34 KBG & Bermuda: Response To Humic During Establishment
20:30 Perennial Rye: Foliar Applications
21:55 KBG: Humic Effect on Soil Health @ Reduced Rates
24:43 Humic Effect On Soil CEC
26:11 Humic Effect on P Uptake on Bentgrass
28:00 Humic Effect on Traffic & Percent Green Cover
30:00 Humic Effect on Soil Moisture, Surface Hardness & Shear
31:38 Humic Effect on Turfgrass Quality & Soil Health
32:52 Iron Humate Effect on Bermudagrass
33:15 Humic Effect on Water Retention and Nutrient Uptake
34:18 Positive Results in Turfgrass
34:48 Humic Effect On Reduced Nitrogen Rates
35:30 Humic Effect on Soil Health @ Reduced N Rates
35:57 Humic As Component of Environmentally Responsible Program
37:15 Humic Effect On Bentgrass Turfgrass Quality
37:35 Humic Effect on KBG Rooting
39:16 Humic Effect on Bentgrass Growth
39:35 Humic Effect on Tall Fescue
41:20 Humic Effect on Root System on Bentgrass
41:45 Humic Effect on Rooting
42:24 Peat vs. Leonardite Humic Acid
43:01 Omitted Studies & Why I Left Them Out
43:45 Humic Acid on Bentgrass Growth and Stress Tolerance
45:07 Humic Acid Movement on Calcareous Soil
47:05 Humic Effect on P Availability in Alkaline Soil
47:26 Humic Effect on P Sources/Availability
49:54 Is Humic Acid a Scam? Conclusion

Sources:

https://onlinelibrary.wiley.com/doi/1...
https://acsess.onlinelibrary.wiley.co...
http://www.koreascience.or.kr/article...
https://www.researchgate.net/publicat...
https://lib.dr.iastate.edu/etd/18540/
https://geochemicaltransactions.biome...
https://www.hindawi.com/journals/jche...
https://www.actahort.org/members/show...
https://www.nature.com/articles/natur...
https://acsess.onlinelibrary.wiley.co...
https://www.tandfonline.com/doi/abs/1...
https://onlinelibrary.wiley.com/doi/a...
https://www.gardenmyths.com/humus-doe...
https://www.gcsaa.org/uploadedfiles/E...
https://www.frontiersin.org/articles/...
https://archive.lib.msu.edu/tic/tgtre...
https://www.sciencedirect.com/science...
https://www.tandfonline.com/doi/abs/1...
https://www.researchgate.net/publicat...
https://www.researchgate.net/publicat...
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