Show overview
The Sour Doe Podcast launched in 2023 and has put out 15 episodes in the time since. That works out to roughly 25 hours of audio in total. Releases follow a monthly cadence.
Episodes typically run over ninety minutes — most land between 1h 17m and 1h 58m — though episode length varies meaningfully from one episode to the next. The publisher flags most episodes as explicit, so expect adult themes or strong language throughout. It is catalogued as a EN-language Education show.
The catalogue appears to be on hiatus or wound down — the most recent episode landed 2.3 years ago, with no new episodes in over a year. The busiest year was 2023, with 13 episodes published. Published by Ashlee & Jay Hayward.
From the publisher
On-farm recordings where we talk about anything we find interesting. This centers around agriculture, microbes, human health, starting a profitable seed-to-table restaurant and more!
Latest Episodes

Ep 15Ep. 15 - The Insanity of Soy
In today’s episode, Jay discusses the soybean industry, and of soybean’s use throughout of food system. Is livestock actually eating all of our grain, or may there be something else afoot in this industry?Connect with us: Website, Instagram and TwitterSupport our show by visiting our Patreon pageReferences can be found at this link.

Ep 14Ep. 14 - Farting Up a Storm in the Cattle Industry
EIn the first episode of the "Farting Up a Storm" series, Jay & Ashlee seek to push back on four untruths that livestock industry opponents claim to be true. We use peer-reviewed research, meta-analyses and pure common sense to help the listener become more informed about the livestock industry, ecology, soil and more.The 4 Untruths of Livestock Production Systems:Livestock will never be carbon neutral because they emit greenhouse gasesLivestock production on pasture cannot sequester carbon.A large portion of arable crops grown are consumed by livestockIf we switch to a plant-based diet, we can take huge amounts of land out of productionUnfortunately, our recording equipment malfunctioned during the recording of this podcast. We did our best to edit out the audio issues, but we ask you to overlook the audio static in this podcast. The juice is worth the squeeze.PSA: If any words, acronyms, definitions and/or descriptions escape your understanding, we ask you to pause the podcast and look up what they are. The path towards wisdom is slow and deliberate.References can be found at this link.Connect with us: Website, Instagram and TwitterSupport our show by visiting our Patreon page

Ep 13Ep. 13 - Lithic Technology & Mangalitsa Pigs with Brian Herbel
EIn today's episode, Jay & Ashlee speak with Brian Herbel who is based in the Bitterroot valley of Montana. He earned his master's degree in Anthropology & Archaeology, and currently owns and operates Rabbitbrush Archeological Services. https://www.rbasmontana.com/ In addition, Brian, along with his partner Jen, operate Verdure Pastures, a niche-market farm in Victor, MT Instagram: @verdure_pasturesTopics Covered: Fashion companies pretending they know how farmers should practice their craft, Lithic technologies, projectile point design, Clovis points, Folsom points, seriation dating, Indigenous elders making jokes of you in native tongue, what humans did with canoes and some stars, Younger Dryas impact hypothesis, 1980 Mount Saint Helens eruption and ash deposition across the West, late-onset musicians, near-death experience in climbing, developing markets for your farm, Mangalitsa pigs, niche-market farming, value-added products, division of labor in farming with your partner, finding 10,000 year old archaeological sites next to unexploded white phosphorous grenades, burnout in farming. Grazed & Confused - Report from Food Climate Research Network

Ep 12Ep. 12 - The Microbes Among Us with Charlie Larson
ECharlie Larson is a Molecular Biologist here in the Bitterroot Valley of Montana. He has spent 25 years researching host pathogen interactions. He was formerly the President of the Bitterroot Water Forum (now known as the Bitterroot Water Partnership) and spent 3 years on the board of directors.Topics Covered: Salmon Fishing in BC, Alexandra Morton & saving wild salmon fisheries, the inland estuary of Puget Sound, the nitty gritty of bacterial life, pathogenic bacteria & host response, bacterial communication, sensory perception of Angler Fish and dogs, genetically modified bacteria and the production of industrial and consumer goods, Nitrogen-fixing endophytic bacteria and their relationship with plants, antibiotic usage and downstream effects, glyphosate toxicity, pathogenic bacteria mutating from glyphosate application, the Bacillus genus and AnthraxConnect with us: website or InstagramSupport our show by visiting our Patreon page

Ep 11Ep. 11 - Nitrogen Fixation & Glyphosate Toxicity with Roger Moore
EJay & Ashlee speak with Roger Moore. Roger is a retired Staff Scientist who worked at the National Institute of Health (NIH) in Hamilton, Montana. He has a PhD in Organic Chemistry, with a focus on synthetic chemistry and prion diseases.Topics Covered: Prion Diseases, Peak oil & implications for our future, At-home gardening as a silent protest, Haber-Bosch & industrial nitrogen fixation, nitrogen fixation & soil organic matter (SOM), glyphosate toxicity, shikimate pathway & the production of aromatic amino acids, how to calculate your crops' Nitrogen requirements, how to dissociate yourself with Big Ag, closing the loop on the carbon & nitrogen cycle on farm.Connect with us: website or InstagramSupport our show by visiting our Patreon pagePapers Referenced:Fan et al. 2017 - doi.org/10.1016/j.apsoil.2017.09.015Zhan et al. 2018 - doi:10.1007/s00253-018-9035-0Singh et al. 2020 - doi.org/10.3390/ijerph17207519Reddy et al. 2004 - https://doi.org/10.1021/jf049605vSerra et al. 2013 - doi: 10.1093/jxb/ert119Glyphosate Contamination in our FoodHow to calculate Nitrogen requirements for your crops

Ep 10Ep. 10 - The Start to a Farming Career with Lily Keene
EToday's interview is with Lily Keene, Lily is a young farmer trying to navigate the start of her career in order to determine the kind of farming she'd like to pursue. She currently works at our Fern Co., our USDA organic vegetable farm.Connect with us: website or InstagramSupport our show by visiting our Patreon page

Ep 9Ep. 9 - Drying Cherries with Helicopters
ETopics Covered: Garden at home like you mean itLocal retired farmer looks better than everWhat to look for in nursery startsAmending and fertilizing soil in your home gardenHeavy feeders vs. light feedersAre raised beds worth it?Nature in a nutshellHiring helicopters to dry cherries

Ep 8Ep. 8 - Wilted Greens & Hakurei Dreams
EConnect with us: website or InstagramSupport our show by visiting our Patreon pageTopics covered:"Success is not conditional upon stress."Frost hits our farm on the eve of summer solsticeHow to cook and prepare hakurei, kale and garlic scapesDon't cook your lettuce

Ep 7Ep. 7 - Wait, Onions Take How Long to Grow?
ESpring time weather Risk of hail, excessive rain, frost and heat. Oh boy is Spring busy on the farmThinking about fall storage cropsLife cycle of alliums: garlic, onion & leek Current seasonal produce in Montana How to get an earlier harvest in Spring at home or on farmWhen to plant warm-season crops outside in MontanaWhat can be planted in early summer?Hey Farmers, are early season warm-weather crops worth it? Benefits and drawbacksBuy seeds from reputable suppliersOpen-pollinated vs. F-1 hybrid seedsWhere do OP seeds and F-1 hybrids fit into a sustainable agricultural industryhttps://www.adaptiveseeds.com/

Ep 6Ep. 6 - Wayfinder's Ranch
EJay & Ashlee have a conversation with Ramy Mam and Amber Lynn Vitale. Ramy is a professional photography, filmmaker and world-class chef. He has worked in well-known restaurants in Hawaii and New York City. Amber is a certified nutritionist and ayurvedic practitioner with a wealth of knowledge surrounding human health. We covered many topics throughout this podcast, but some topics covered are the cannabis industry, life in the culinary industry, how to get a job in a high-end restaurant, gut microbiome, playing god in agriculture, learning how to raise animals, dog breeding and more.

Ep 5Ep. 5 - The Science of Sourdough
EConnect with us: website or InstagramSupport our show by visiting our Patreon pageIn today's episode we dive into the science of sourdough! We answer frequently asked questions and share what we have learned through research about the sourdough microbiome.TopicsWhat is real sourdough? Common terminologyWhat types of flour are best to use/what we use in our bakeryBacteria & Fungi (Yeast) in sourdough culturesDigestion of gluten and other proteinsPre- vs. ProbioticsShelf life of sourdough bread.Referenced ResearchThe diversity and function of sourdough starter microbiomes - 2021 study out of Tufts University by Elizabeth Landis et al.Proteolysis by Sourdough Lactic Acid Bacteria: Effects on Wheat Flour Protein Fractions and Gliadin Peptides Involved in Human Cereal Intolerance - Di Cagno et al., 2002Sourdough Lactic Acid Bacteria Effects on Bread Firmness and Staling - Corsetti et al., 1998The proteolytic system of Lactobacillus sanfrancisco CB1: purification and characterization of a proteinase, a dipeptidase, and an aminopeptidase - Gobbetti et al., 1996

Ep 4Ep. 4 - Listen to your Plants
EConnect with us: website or InstagramSupport our show by visiting our Patreon pageTimes Stamps00:01:15 Hummingbird migrations00:05:15 Spring at the cafe and farm00:10:15 Rhizoctonia & Phytophthora pathogens00:12:15 How to combat these outbreaks using trichoderma and anaerobic bacteria00:13:45 Preferred environments of these pathogens00:15:25 Greens Harvester Instagram Video00:18:45 Symptoms of disease outbreaks and how to identify00:26:15 Terminating $2,000 of crops right before harvest00:28:45 Farmers are insane optimists and are involved in high-risk careers00:32:45 Summary of the disease outbreak, causes and our solutions for next crop cycle00:38:45 Fern Co. fitness; treat farming as fitness00:52:00 Hey farmers, do things strictly for yourself.00:53:15 High pH soils and plant nutrition deficiencies00:57:00 How to identify symptoms of a tomato potassium deficiency1:00:05 Interveinal chlorosis and necrosis01:03:35 Tomato Leaf Marginal Necrosis (TLMN) 2020 Japanese study01:05:15 Link to Tomato Leaflet Diagram and corresponding leaf number positions. Diagram is from the 2020 Japanese study referenced above.01:07:45 Potassium governs stomatal opening01:11:00 Turgor pressure and potassium01:17:15 Potassium and nutrient translocation in plants01:19:45 Don’t make knee-jerk soil adjustments before you’re confident you know the problem01:21:25 CORRECTION: Meant to say Montana Technological University in Butte University of Montana Environmental Studies Department01:22:55 Cornell University Crop Management and Disease Identification InformationCornell University Symptoms of Common Nutritional Deficiencies in ArugulaCornell University Diseases Occurring in Winter Greens and their ManagementNutritional Disorders of Tomatoes and CucumbersPowdery Mildew on Spinach, University of New Hampshire Extension01:34:00 Humic Acid Cation Exchange Capacity (CEC) from the University of Wisconsin Madison’s Department of Soil Science, Dr. Wayne Kussow01:40:15 Foliar Spraying your crops for improved plant nutrition

Ep 3Ep. 3 - "I'm not certified organic, but I grow organically!"
EWhy is it so damn hard to do things that are good for us?; History of the USDA National Organic Program (NOP) Guidelines; The NOP certification process from a farmer's point of view; Use of the term "organic"; Non-governmental organic movements and certification "add-ons"; Problems with the USDA upholding guidelines spelled out in the NOP; Hydroponic systems becoming certified organic; What is a net-zero farm, and what the hell is beyond organic? The agricultural industry and its many buzz words.National Organic Program HandbookThe USDA Organic Certification ProcessNon-governmental certification add-onsRegenerative Organic GuidelinesThe Real Organic ProjectConnect with us on our website or InstagramSupport our show by visiting our Patreon page

Ep 2Ep. 2 - Our Story
EJay & Ashlee's chance encounter on independent climbing trips in California. Maintaining an international relationship during Covid-19 border closures and immigration. Starting not one, but two businesses during the pandemic. Hardships of the farming and food service industries. The Sour Doe genesis story. Utilizing local farmer's markets as a means of testing the waters for a business idea. Words of advice for young entrepreneurs.Connect with us on our website or InstagramSupport our show by visiting our Patreon page

Ep 1Ep. 1 - Composting & Vermin Control
EPlease don't mind the whistling sound in the background. Our wood stove likes to sing a tune while it heats up. If you want to learn more about how to conduct soil tests at home, please visit https://midwestlabs.com/resources/product-sampling-guides Scroll down the page to the "Soil Sampling Pocket Guide" and the "Soil Testing Methods Reference Sheet"We have no affiliation with Midwest Labs, it is simply the lab that we use for sampling.Connect with us on our website or InstagramSupport our show by visiting our Patreon pageTopics Covered:Vole pest pressure in greenhouses, their behavior and how to combat their destructive nature.Organic approved pest management methodsUnexpected pests and their love for beetsSafe composting of fresh animal manure & human health considerationsThe acronym NPK - Nitrogen, Phosphorus, Potassium concentration in fertilizerNitrogen - Soluble vs. InsolubleProducing safe compostSpontaneously combusting compostEgg shells - Making soluble calcium fertilizer OR composting themUnhealthy hens pull Calcium from their bonesUSDA Organic Eggs - Are strictly vegetarian diets good for chickens?The need for young people to enter the agricultural industryAre raised beds appropriate for your locale?Soil testing for at-home gardening
