MycoEarth, LLC — The Data Behind the Dirt

Research References, Organized by Topic

Compiled by Kathryn Crew, Founder — MycoEarth, LLC  |  © 2026 MycoEarth, LLC

Living document — last updated July 5, 2026

Every claim MycoEarth makes about soil health, water savings, and chemical-free farming is backed by peer-reviewed research, federal data, or primary legal sources. This page is organized by topic so you can jump straight to the science behind any specific claim — click any "View source" link to go directly to the original study or document.

The world is running out of usable topsoil — FAO (2015). Status of the World's Soil Resources. Food and Agriculture Organization of the United Nations.  View source

Only ~60 years of farmable topsoil may remain at current degradation rates — Semedo, M.H. (2014). Only 60 Years of Farming Left If Soil Degradation Continues. Scientific American / FAO World Soil Day statement.  View source

What happens if the world's soil runs out — Crawford, J. (2012). What if the World's Soil Runs Out? TIME / World Economic Forum.  View source

U.S. farm income & finance baseline data — USDA Economic Research Service (ERS). Farm Sector Income & Finances, 2024.  View source

Farm bankruptcies are climbing nationally — American Farm Bureau Federation (2026). Farm Bankruptcies Continued to Climb in 2025. AFBF Market Intel.  View source

What topsoil is and how slowly it forms — Wikipedia (2025). Topsoil.  View source

Mycorrhizal fungi produce glomalin, which binds soil into stable aggregates — Rillig, M.C. (2004). Arbuscular mycorrhizae, glomalin, and soil aggregation. Canadian Journal of Soil Science, 84(4), 355–363.  View source

Mycorrhizal mycelium networks control plant communities and nutrient cycling — Leake, J.R., et al. (2004). Networks of power and influence: the role of mycorrhizal mycelium in controlling plant communities and agroecosystem nutrient cycling. Canadian Journal of Botany, 82(8), 1016–1045.  View source

Organic matter builds water-stable soil aggregates — Tisdall, J.M. & Oades, J.M. (1982). Organic matter and water-stable aggregates in soils. Journal of Soil Science, 33, 141–163.  View source

The role of soil fungus, explained — Ohioline (2024). Role of Soil Fungus. Ohio State University Extension Factsheet ANR-37.  View source

Beneficial fungi in the landscape — Oklahoma State University Extension (2023). Beneficial Fungi in the Landscape.  View source

Fungal-grazer interactions drive soil ecosystem function — Crowther, T.W., Boddy, L. & Jones, T.H. (2012). Functional and ecological consequences of saprotrophic fungus–grazer interactions. The ISME Journal.  View source

Plant type shapes the community of saprophytic soil fungi — Bödeker, I.T.M., et al. (2020). Plant functional group drives the community structure of saprophytic fungi in a grassland biodiversity experiment. Plant and Soil, 452, 405–422.  View source

Forest microbiome diversity and dynamics — Baldrian, P. (2017). Forest microbiome: diversity, complexity and dynamics. FEMS Microbiology Reviews, 41(2), 109–130.  View source

How healthy soil traps atmospheric carbon — Northwestern University (2024). Understanding how soil traps carbon. Northwestern Now.  View source

Why soil matters — the foundational case — State of the Planet (2012). Why Soil Matters. Columbia Climate School, Columbia University.  View source

Regenerative practices rebuild organic matter and topsoil thickness over time — University of Washington (2023). Trends in soil organic matter and topsoil thickness under regenerative practices.  View source

Beneficial soil bacteria help crops survive salty farmland by boosting lignin production — Zheng, Y., Wang, Y., Wang, Z., et al. (2026). Pseudomonads associated to salt-stressed plants facilitate stress adaption of soybean through enhanced lignin biosynthesis. Science Advances, 12(26). University of East Anglia / ScienceDaily.  View source

Ectomycorrhizal networks transfer carbon between trees — Simard, S.W., et al. (1997). Net transfer of carbon between ectomycorrhizal tree species in the field. Nature, 388, 579–582.  View source

The molecular mechanism of AMF phosphate transport — Javot, H., et al. (2007). A Medicago truncatula phosphate transporter indispensable for the arbuscular mycorrhizal symbiosis. PNAS, 104(5), 1720–1725.  View source

Direct evidence that mycorrhizal fungi transport water to host plants — New Phytologist (2022). Routes to roots: direct evidence of water transport by arbuscular mycorrhizal fungi to host plants.  View source

AMF improve plant resilience under drought conditions — Das, S. & Sarkar, S. (2024). Arbuscular mycorrhizal fungal contribution towards plant resilience to drought conditions. Frontiers in Fungal Biology.  View source

AMF improve drought tolerance and nitrogen-use efficiency in crops — Tang, H., Hassan, M.U., et al. (2022). The Critical Role of Arbuscular Mycorrhizal Fungi to Improve Drought Tolerance and Nitrogen Use Efficiency in Crops. Frontiers in Plant Science.  View source

The mechanisms behind AMF-enhanced drought tolerance — Cheng, S., Zou, Y.-N., Kuča, K., Hashem, A. & Wu, Q.-S. (2021). Elucidating the Mechanisms Underlying Enhanced Drought Tolerance in Plants Mediated by Arbuscular Mycorrhizal Fungi. Frontiers in Microbiology, 12, 809473.  View source

AMF enhance disease resistance against fungal wilt pathogens — Frontiers in Plant Science (2022). Arbuscular mycorrhizal fungi enhance disease resistance of Salvia miltiorrhiza to Fusarium wilt.  View source

Mycorrhizal fungi enhance plant resistance to disease — Agriculture Institute (2024). Mycorrhizal Fungi: Enhancing Plant Resistance to Diseases. Rain-Fed Farming Series.  View source

Mycorrhizal association as a disease-protection strategy — Waheed, A., et al. (2022). Mycorrhizal Association and Plant Disease Protection: New Perspectives. IntechOpen, Chapter 84645.  View source

Mycorrhiza-induced resistance is more than the sum of its parts — Jung, S.C., et al. (2013). Mycorrhiza-induced resistance: more than the sum of its parts? Frontiers in Plant Science.  View source

AMF symbiosis affects plant immunity to viral infection — Tao, L., et al. (2019). Arbuscular Mycorrhizal Symbiosis Affects Plant Immunity to Viral Infection and Accumulation. Frontiers in Microbiology.  View source

AMF's role in plant immunity and crop pathogen control — Rhizosphere (2022). Arbuscular mycorrhizae in plant immunity and crop pathogen control.  View source

AMF and plant disease control — a state-of-the-art review — Albornoz, F., et al. (2025). Arbuscular mycorrhizal fungi and their role in plant disease control: A state-of-the-art. Plant Stress, 15.  View source

AMF boost crop resilience under environmental stress — Soto-Barajas, M.C., et al. (2024). Arbuscular Mycorrhizal Fungi: Boosting Crop Resilience to Environmental Stresses. Microorganisms, 12(12), 2448.  View source

Reintroducing native mycorrhizal fungi accelerates plant succession — Koziol, L., et al. (2022). Mycorrhizal fungi and the rehabilitation of natural ecosystems. Journal of Applied Ecology (Wiley).  View source

AMF inoculation as a catalyst for restoring severely degraded mine land — Global Journal of Environmental Science and Management (2026). Post-mining land rehabilitation and arbuscular mycorrhizal fungi.  View source

AMF as the most intimate plant mutualist in the soil microbiome — ScienceDirect — Soil Biology and Biochemistry (2025). A conceptual framework for integrating core microbiomes with AM fungi in ecological restoration.  View source

AMF inoculation increases alfalfa yield and fatty-acid content — a 2-year field study — Pap, S., Ćupina, B., Đurđević, B., et al. (2021). Multiple Arbuscular Mycorrhizal Fungal Consortia Enhance Yield and Fatty Acids of Medicago sativa: A Two-Year Field Study on Agronomic Traits and Tracing of Fungal Persistence. Frontiers in Plant Science.  View source

"Mother trees" use mycorrhizal networks to nurture seedlings and share resources across the forest — Simard, S. (2026, interview). How 'Mother Trees' Nurture Our Forests. Inside Climate News, discussing her research and new book When the Forest Breathes.  View source

Herbicides and insecticides measurably damage soil microbial communities — Waheed, A., et al. (2023). A review of the impact of herbicides and insecticides on the microbial communities. Environmental Research, 238(B), 117244.  View source

Pesticide exposure changes key soil microbial health indicators — PMC (2024). Impact of pesticides on soil health: identification of key soil microbial indicators for ecotoxicological assessment through meta-analysis.  View source

Herbicide and mulch treatments alter soil carbon, nitrogen & microbial makeup in riparian zones — Nguyen, T.T.N., Huang, L., Watts, C., Xu, Z., et al. (2023). Effects of herbicides and mulch on the soil carbon, nitrogen, and microbial composition of two revegetated riparian zones over 3 years. Journal of Soils and Sediments, 23, 2614–2628.  View source

Underground mycorrhizal fungal networks are directly threatened by agrochemical use — SPUN — Society for the Protection of Underground Networks (n.d.). Threats to mycorrhizal fungal biodiversity.  View source

Herbicide use in soil is linked to rising antibiotic resistance in microbiomes — Kurenbach, B., Gibson, P. S., Hill, A. M., Forbes, A. K., Howard, K., Godsoe, W., & Heinemann, J. A. (2021). Herbicide selection promotes antibiotic resistance in soil microbiomes. Molecular Biology and Evolution, 38(6), 2337–2350.  View source

Pesticides degrade soil bacterial, fungal & protist communities — and grape quality — Simonsen, A.K., et al. (2024). Effects of pesticides on soil bacterial, fungal and protist communities, soil functions, and grape quality in vineyards. Ecological Solutions and Evidence.  View source

Tillage disrupts arbuscular mycorrhizal fungal populations during crop growth — Xiao, W., et al. (2024). Plant and soil responses to tillage practices change arbuscular mycorrhizal fungi populations during crop growth. Frontiers in Microbiology, 15, 1394104.  View source

Tillage is the single most damaging factor to beneficial soil fungi — No-Till Farmer (2024). Tillage proves most damaging factor to beneficial fungi in soil.  View source

Comparing the soil impact of herbicides, fertilizers & tillage side by side — Washington State University CSANR (2023). Comparing the effects of herbicides, fertilizers, and tillage on the soil.  View source

A brief history of DDT and its regulatory status — US EPA (2022). DDT: A Brief History and Status. Environmental Protection Agency, Office of Pesticide Programs.  View source

Trends in glyphosate herbicide use nationally and globally — Benbrook, C.M. (2016). Trends in glyphosate herbicide use in the United States and globally. Environmental Sciences Europe, 28(1), 3.  View source

Glyphosate promotes human breast cancer cell growth via estrogen receptors — Thongprakaisang, S., et al. (2013). Glyphosate induces human breast cancer cells growth via estrogen receptors. Food and Chemical Toxicology, 59, 129–136.  View source

The Lancet Oncology on glyphosate's carcinogenicity classification — Guyton, K.Z., et al. (2015). Carcinogenicity of tetrachlorvinphos, parathion, malathion, diazinon, and glyphosate. The Lancet Oncology, 16(5), 490–491.  View source

WHO's International Agency for Research on Cancer classifies glyphosate as "probably carcinogenic" — IARC Monographs, Vol. 112 (2015). Some Organophosphate Insecticides and Herbicides — Diazinon, Glyphosate, Malathion, Parathion, and Tetrachlorvinphos. World Health Organization.  View source

Internal Monsanto documents reveal the company knew of glyphosate cancer risk for decades — US Right to Know (ongoing). Glyphosate Science Denial — investigative report and court-record repository.  View source

The Monsanto Papers — landmark court record archive on what Monsanto knew — US Right to Know (ongoing). The Monsanto Papers.  View source

Bayer's internal documents were central to a $10 billion Roundup settlement — Environmental Working Group (2020). Bayer-Monsanto Agrees to $10B Settlement for Victims Poisoned by Roundup Weedkiller.  View source

Bayer's proposed $7.25 billion settlement for current & future Roundup cancer claims — Associated Press / STAT News (2026, Feb 17). Bayer agrees to $7.25 billion proposed settlement over thousands of Roundup cancer lawsuits.  View source

Note: Bayer's total Roundup-related litigation costs have exceeded $11 billion to date.

Subsection — Herbicides and Parkinson's Disease

Paraquat exposure as a documented cause of Parkinson's disease — Bhardwaj, A., et al. (2023). Paraquat (herbicide) as a cause of Parkinson's disease. ScienceDirect.  View source

Residential exposure to maneb and paraquat from farm spraying linked to Parkinson's — Costello, S., et al. (2009). Parkinson's disease and residential exposure to maneb and paraquat from agricultural applications in the central valley of California. American Journal of Epidemiology (via Parkinson's Foundation).  View source

Systematic review & meta-analysis: occupational pesticide exposure and Parkinson's risk — Gunnarsson, L.-G., & Bodin, L. (2019). Parkinson's disease and its relation to occupational pesticide exposure — a systematic literature review and meta-analysis. Journal of Occupational and Environmental Medicine (via Parkinson's UK).  View source

Pesticide exposure and Parkinson's disease — a systematic review of Brazilian studies — Dos Santos, D. A., et al. (2025). Pesticide exposure and the development of Parkinson's disease: A systematic review of Brazilian studies. PMC / PubMed Central.  View source

Glyphosate-based herbicides' effects on the mammalian nervous system — Bonvegna, S., et al. (2022). Effects of glyphosate and glyphosate-based herbicides like Roundup™ on the mammalian nervous system: A review. Environmental Research, 206, 112255.  View source

Glyphosate herbicide alters brain amino-acid metabolism — Limberger, C., et al. (2020). Glyphosate-based herbicide alters brain amino acid metabolism without affecting blood-brain barrier integrity. Alzheimer's & Dementia (Wiley Online Library).  View source

Glyphosate accelerates neurodegeneration in a model of Alzheimer's disease — Yang, L., Ju, A., Huang, Y., Jiang, H., Ye, J., Qi, W., & Zhou, L. (2025). Toxicity of glyphosate accelerates neurodegeneration in Caenorhabditis elegans model of Alzheimer's disease. Frontiers in Toxicology, 7, 1578230.  View source

Long-term exposure to a common pesticide more than doubles Parkinson's disease risk — University of California – Los Angeles Health Sciences (2026). Common pesticide linked to more than double the risk of Parkinson's disease. UCLA researchers linked long-term chlorpyrifos exposure to dopamine neuron damage.  View source

A widely used EU-approved fungicide was found to harm brain development — but the evidence was withheld from regulators for over a decade — PAN Europe (2026). Fraud scandal in EU pesticide approval system has kept neurotoxic pesticide (fluazinam) on the market for years. Based on new research from Stockholm University.  View source

The 1922 agreement that still governs Colorado River water rights — Colorado River Compact (1922). Foundational interstate water allocation agreement governing lower basin states. U.S. Bureau of Reclamation.  View source

Federal law mandating Colorado River shortage reductions — Colorado River Drought Contingency Plan, P.L. 116-14 (2019). U.S. Government Publishing Office.  View source

Arizona's mandated 592,000 acre-foot reduction under the Tier 2a shortage declaration — U.S. Bureau of Reclamation (2022, August). Tier 2a Shortage Declaration, effective January 1, 2023. Lower Colorado River Operations.  View source

Arizona's Groundwater Management Act — the legal foundation for water regulation — Arizona State Legislature. Groundwater Management Act, A.R.S. § 45-401 — Declaration of Policy (1980). Arizona Revised Statutes, Title 45.  View source

Basin states failed to reach agreement before the 2023 Tier 2 shortage — University of Arizona Water Resources Research Center (2022). Tier 2 Shortage Declared for 2023 — Basin States Fail to Reach Colorado River Usage Agreement.  View source

Joint state FAQ explaining the Colorado River shortage — Arizona Department of Water Resources & Central Arizona Project (2024). Colorado River Shortage FAQ.  View source

Arizona's Attorney General sued a foreign-owned farm over excessive groundwater pumping — Arizona Attorney General Kris Mayes (2024, December 11). Attorney General Mayes Sues Fondomonte for Violating Public Nuisance Law Through Excessive Groundwater Pumping. Arizona Attorney General's Office.  View source

Note: Litigation is ongoing. Check azag.gov for current status.

Congressional overview of Colorado River drought, allocation & federal authority — Congressional Research Service (2026). Management of the Colorado River: Water Allocations, Drought, and the Federal Role. CRS Report R45546.  View source

A Saudi-owned dairy giant's Arizona alfalfa operation and its effect on rural aquifers — Koch, N. (2022, December 26). Guest Essay: Arizona Is in a Race to the Bottom of Its Water Wells, With Saudi Arabia's Help. The New York Times.  View source

Ranegras Plain basin groundwater levels and use data — Arizona Department of Water Resources (2023). Ranegras Plain Basin Groundwater Study.  Source link pending

Link pending — Kathryn to locate current ADWR basin study page and add.

Northern Arizona tribes' century-long fight for Colorado River water rights remains blocked by neighboring states — Olalde, M. & Hager, A. (2026). Native American Tribes Came Together to Secure Their Rights to Colorado River Water. Four States Are Stalling the Deal. ProPublica, co-published with KJZZ News-Phoenix.  View source

U.S. Supreme Court: Bayer/Monsanto cannot be sued under state law for failing to warn of Roundup cancer risk — Monsanto Company v. Durnell, 609 U.S. ___ (2026). Decided June 25, 2026, 7–2, Opinion by Justice Kavanaugh. The Court held that FIFRA preempts state-law failure-to-warn claims because EPA has repeatedly approved glyphosate's label without a cancer warning.  View source

This ruling is expected to bar future failure-to-warn suits and affect roughly 200,000 pending Roundup-related claims. Bayer has separately proposed a $7.25 billion class settlement (see Section VI) that is proceeding independently of this ruling. Litigation status may continue to evolve — verify current standing before citing in formal presentations.

The FDA's official pesticide-residue monitoring program — U.S. Food and Drug Administration. Pesticides — Chemical Contaminants & Pesticides (Official Government Resource).  View source

Consumer Reports on pesticide residue in produce — and why washing isn't enough — Consumer Reports. Pesticides in Produce.  View source

Some pesticides are systemic — absorbed into the plant's flesh through its root system — so they cannot be rinsed off. USDA residue testing is also conducted after produce has already been washed and peeled, meaning published residue data reflects what remains after typical home preparation.

How pesticide residue in food crops affects human health — Springer Nature / Discover Agriculture (2024). The implications of pesticide residue in food crops on human health.  View source

USDA baseline data on U.S. farm income and finances — USDA Economic Research Service (ERS). Farm Sector Income & Finances, 2024.  View source

USDA's annual statistical accounting of Arizona agriculture — USDA National Agricultural Statistics Service (NASS). Arizona Annual Statistical Bulletin.  View source

USDA data on pesticide use across the 21 most heavily treated U.S. crops — USDA Economic Research Service (2024). Pesticide Use in U.S. Agriculture: 21 Selected Crops.  Source link pending

Link pending — ERS periodically updates this dataset's landing page; Kathryn to confirm current URL.

Subsection — Recent Developments (Summer 2026)

This subsection tracks the fast-moving aftermath of the Monsanto v. Durnell ruling and related regulatory news. Because this area is changing week to week, treat this subsection as the first to review when updating the living document.

Additional plain-language coverage of the Supreme Court's Roundup ruling — Johnson, C. (2026, June 25). Supreme Court Backs Monsanto in Its Fight Against Liability From Popular Weed Killer. NPR.  View source

USA Today's coverage of the same ruling, with context on the ongoing scientific debate over glyphosate — Associated Press / USA Today (2026, June 25). Supreme Court ruling blocks thousands of lawsuits against maker of Roundup weedkiller.  View source

An animal-welfare advocate's opinion on the broader accountability implications of the ruling — Baur, G. (2026). Supreme Court ruling favors Monsanto in Roundup case. The Hill (Opinion). Author is president of Farm Sanctuary.  View source

This is a published opinion piece, not a news report or peer-reviewed source — flagged here as commentary, not independent evidence.

One week after the Supreme Court ruling, Bayer restructured its entire U.S. glyphosate business into a new subsidiary — DTN / Progressive Farmer (2026, July 2). Bayer Consolidates Its Glyphosate Business Into Subsidiary Ruveon.  View source

Bayer's proposed $7.25 billion Roundup settlement now has a firm court hearing date — Reuters (2026, June 30). Bayer's $7.25 billion Roundup settlement gets August hearing date.  View source

A separate federal antitrust lawsuit accuses Bayer of illegally monopolizing the U.S. GMO corn seed market — Reuters (2026, May 27). Bayer sued for allegedly monopolizing US market for GMO corn seeds. Filed by Latham Quality, an independent Iowa seed company.  View source

The EPA approved new pesticides that meet the international definition of "forever chemicals" (PFAS), though the agency disputes that label — The Hill (2026, July 2). EPA approves pesticides that may be considered 'forever chemicals,' though it disputes that label.  View source

UK regulator found in breach of environmental law for approving a bee-killing pesticide without considering harm to protected nature areas — ClientEarth (2026). Defra found in breach of environmental law over bee-killing pesticide impacts on protected nature areas.  View source

The Iran war's disruption of the Strait of Hormuz created a fertilizer supply shock, illustrating farmers' exposure to synthetic-input supply chains — NPR (2026, July 3). How a fertilizer shortage caused by the Iran war could affect U.S. food prices.  View source

Included as an example of how dependence on imported synthetic fertilizer inputs exposes farmers to geopolitical shocks that biological, on-farm soil restoration reduces.

Baseline water and input costs for irrigated alfalfa production — USDA Economic Research Service (ERS). Farm Sector Income & Finances — baseline water and input costs for irrigated alfalfa production, 2024.  View source

Alfalfa water use and production data for the irrigated desert Southwest — Mexal, J.G., et al. (2003). Alfalfa Water Use and Production in Irrigated Desert Southwest. New Mexico State University (NMSU) Cooperative Extension Circular CR575.  View source

Federal cost-share funding for climate-smart soil restoration — USDA Natural Resources Conservation Service (NRCS) (2024). Environmental Quality Incentives Program (EQIP) — Climate-Smart Agriculture and Forestry Carbon Sequestration Credits.  View source

Restoring grassland biodiversity accelerates soil carbon sequestration — Ontl, T.A. & Schulte, L.A. (2019). Soil carbon sequestration accelerated by restoration of grassland biodiversity. Nature Communications.  View source

Soil as a climate solution — carbon storage potential — Schahczenski, J. (2014). Soil as Carbon Storehouse: New Weapon in Climate Fight? Yale Environment 360.  View source

University of Arizona data on regional water and input costs for farmers — University of Arizona Cooperative Extension. Arizona Water and Input Cost Data.  Source link pending

Link pending — Kathryn to confirm the specific UA Cooperative Extension publication and URL.

MycoEarth's own component and application framework — MycoEarth LLC (2026). Soil Ecosystem Pyramid: Component & Application Guides (Field Farmer Edition). Internal publication.  View source

Certain field conditions and cost-share programs can make regenerative practices profitable in year one, not just after the typical 3-year break-even — Myers, R. (2026). Four Ways To Make Cover Crops Profitable In Year One. AgWeb.  View source

Consumer understanding of regenerative agriculture has tripled in three years — and lack of knowledge, not price, is the main barrier to buying regenerative — Watman, A. (2026). New Kiss the Ground Research: Consumer Understanding of Regenerative Agriculture Triples in Past Three Years. Forbes.  View source

Subsection — The Water Cost of Regenerative Transition: Why Expert-Guided Restoration Matters

A fair, honest picture of regenerative agriculture includes an important nuance: transitioning degraded soil back to health can temporarily require more water, not less — which is exactly why a targeted, science-guided fungal inoculation approach (rather than a slow, unguided organic transition) matters so much in a water-scarce state like Arizona.

Regenerative transition can strain already water-scarce catchments — semi-arid regions like Arizona are the exact case this describes — Lankford, B. & Orr, S. (2022). Exploring the Critical Role of Water in Regenerative Agriculture; Building Promises and Avoiding Pitfalls. Frontiers in Sustainable Food Systems, 6, 891709.  View source

DNA analysis shows even severely degraded fields regain microbial life within 3–5 years under organic management — USDA-ARS / Texas A&M AgriLife Extension (2024). Soil microbiome recovery under organic management, DNA sequencing case studies.  View source

Dryland and semi-arid systems face unique barriers to regenerative adoption, including a lack of short-term economic gains — Frontiers in Agronomy (2026). Exploring the nexus between regenerative agriculture and soil health: a special emphasis on semi-arid and arid agriculture.  View source

Arizona's crop profile: cotton, alfalfa, and lettuce production data — Arizona Department of Agriculture (2023). Arizona Crop Profile: Cotton, Alfalfa, and Lettuce.  Source link pending

Link pending — Kathryn to confirm current AZDA publication URL.

A Saudi-owned dairy company's Arizona alfalfa operation and the aquifer it depends on — Koch, N. (2022, December 26). Guest Essay: Arizona Is in a Race to the Bottom of Its Water Wells, With Saudi Arabia's Help. The New York Times.  View source

Ranegras Plain basin groundwater levels and agricultural water use — Arizona Department of Water Resources (2023). Ranegras Plain Basin Groundwater Study.  Source link pending

Link pending — same source as Section VII; Kathryn to locate and add once, then this can be cross-referenced instead of duplicated.

This bibliography consolidates and de-duplicates the reference lists compiled for MycoEarth's eBooks — Save Your Soil Save Your Farm, The Soil Restoration Guide for the Arizona Farmer, Orchardist, and Viticulturist, and The Soil Restoration Guide for Backyard Gardeners — along with newly added sources on herbicide-linked neurological disease, the June 2026 Supreme Court ruling on Roundup litigation, and fast-moving July 2026 regulatory and industry news. A few items were found in submitted source material but excluded as unrelated to soil science or agriculture (a dog-genetics citation list) or as non-citable/promotional social media content (a competitor company's LinkedIn post) or as political litigation unrelated to soil science (a USDA grant-funding lawsuit). A small number of citations are marked "Link pending" where the original source only referenced a publication by name; Kathryn can add the specific URL directly in the Shopify page editor when convenient — no code changes required. As a living document, new sections and sources can be added in future passes — flag anything you'd like re-checked or re-verified, since the Recent Developments subsection in particular will keep shifting.

© 2026 MycoEarth, LLC  |  Kathryn@mycoearth.us  |  www.MycoEarth.us