The ZDoggMD Show
The ZDoggMD Show
Oct 23, 2020
Our Pandemic Story (w/Dr. Abraham Verghese)
59 min
"Stories are how we make sense of the world."

Novelist and Stanford Professor of Medicine Dr. Abraham Verghese reminds us that story matters, now more than ever.

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The Abundant Edge
The Abundant Edge
Abundant Edge
Working with nature to build soil health, with Robert Pavlis
After last week’s session with Matt Powers, I want to add a second perspective on soil and the new science behind how we can restore it to health in our own gardens. For that perspective I got back in touch with Robert Pavlis who was first on this show a few seasons ago to talk about building natural ponds. Robert has been an avid gardener for over four decades. He is the owner and developer of Aspen Grove Gardens, a 6-acre botanical garden that features over 3,000 varieties of plants. As a specialist in soil science, he has been an instructor for Landscape Ontario and is a garden blogger, writer, and chemist. He teaches gardening fundamentals at the University of Guelph and garden design for the City of Guelph, Ontario, where he lives. One of the things I most appreciate about Robert’s work is that he’s not afraid to challenge any entrenched gardening belief or myth. He is always looking to get to the bottom of what helps plants to grow and what’s just marketing scams.  In this episode we really dive in deep on the fundamentals of soil composition and understanding the nutrients that plants need to thrive. We talk about looking at soil as an ecosystem unto itself rather than a living material, and why striving for ideal soil is not as important as making sure that you have the components necessary for the life inside it.  Robert also helps me to understand what happens in the ground after tillage, mulching, and other amendments. We go over simple tests you can do to diagnose your soil without special equipment or needing to pay for laboratory testing, and by the end, how to use the results of those tests to develop your own personalized soil plan.  This episode alone is like a short but thorough course on soil health, so you might want to keep a notebook handy.  For those of you who want to really expand your knowledge on soil science, I’ve teamed up with New Society Publishers to give away a free copy of this book. If you want to win a copy of Soil Science for Gardeners, just message me through our dedicated facebook group called Abundant Edge weekly regenerative skills and write a post about why you want to amend the soil on your site. I’ll select a winner one week after this episode comes out and send a hard copy of the book to you if you live in the US or Canada or a digital copy if you live anywhere else in the world. It’s that simple, plus you’ll be joining an incredible group of listeners like you who are sharing their regenerative living journey and learning experiences with the community.  Resources:
1 hr 17 min
In Search of Soil
In Search of Soil
Diego Footer
Full Show: Dr. Buz Kloot - Soil Nutrients | In Search of Soil #8
What if your soil test just came back and all of a sudden someone tells you that your soil’s nutrient values will stay consistent regardless of whether or not you put amendments? It’s understandable that you would find that hard to believe. You’d probably ask, where is it coming from and where does it go? Today, we’re talking to Dr. Buz Kloot of Soil Health Lab to talk about just that. Dr. Buz Kloot began his professional career as a chemical engineer. He then joined the University of South Carolina in 1999 and has since worked on various projects on agriculture and environmental quality. His passion for soil health brings him to work closely and collaboratively with farmers. More on Buz: WATCH FULL EPISODES YouTube Follow Diego @diegofooter - In this episode of In Search of Soil * How Dr. Kloot’s background in chemical engineering helped him with his research in the soil space (01:52) * Meeting Ray Archuleta changed how Dr. Kloot saw soil (03:17) * The pros and cons of coming into soil science without a soil science background (03:55) * The biggest mistake Dr. Kloot made that helped him advance his knowledge (05:44) * Dr. Kloot’s view on the importance of soil micronutrients for plant growth (08:14) * The argument of adding micronutrient and macronutrient amendment to the soil (10:20) * Where the soil potassium comes from when you’re not applying it (13:54) * The potential of clay soils and the biology (16:31) * Soil testing: is it really beneficial despite the lack of information of the soil biology? (18:22) * The value of soil tests is based on calibrated returns (20:57) * Outdated soil recommendations from half a decade ago (23:15) * The possibility and plausibility of going farming with zero chemical amendments (23:20) * The caveat is needing to build your soil first (24:48) * Do we have a better understanding of aquatic systems than soil systems? (27:05) * The five principles of soil health (29:34) * Keep disturbance to a minimum (31:05) * Keep the soil covered with a living canopy (31:15) * Keep a live root in the soil all year round (31:35) * Keep diversity, diversity, diversity (32:30) * Integrate livestock back into your system (33:12) * What ticks 3 boxes all at once: multispecies cover crops (33:52) * A case study of practicing multispecies cover crops (35:45) * Jason Carter’s cover crop trial (36:12) * Farmers’ concerns on why they wouldn’t grow cover crops (42:00) * The potential added costs (43:35) * Planting into the residue (45:00) * Let’s be intelligent about choosing cover crops (46:52) * Emulating hoof action of animals with a Phillips Harrow (47:27) * The potential soil damage that comes from chemical herbicide (50:58) * Francis Chaboussou: the excess nitrogen we use make plants tastier for pests (53:09) * Tillage or herbicides: which would cause less damage (55:02) * The Holy Grail of terminating cover crops: no tillage, no herbicides (57:18) * Choosing between a single species of cover crop that terminates easily mechanically or a multispecies cover crop that is tricky to terminate (58:20) * The why and how behind the steady levels of phosphorus, nitrogen, and potassium in the soil (59:37) * The idea of looking more into plant tissues to determine soil health (01:02:58) * Looking at plant sap analysis rather than plant tissue analysis (01:05:25) * Where foliar fertilization comes into the context (01:06:40) * Foliar feeding versus root feeding via soil drenching (01:08:24) * Growing a perennial-type cover crop and keeping it alive (01:09:47) * Dr. Kloot’s opinion on seeds co-existing with cash crops (01:12:05) * Looking at weeds from an academic standpoint (01:15:27) * What we need is a better ecological understanding of weeds (01:16:16) * Anecdotes of no-till farms with no weeds (01:17:38) * Weeds aren’t there to rectify the problem (01:20:00) * The true interests of weeds (01:21:00) * Weeds don’t form mycorrhizal relationships in the roots—they form them aboveground (01:22:18) * Cation exchange capacity and what it actually means (01:23:35) * Tackling experiments and ventures that don’t yield the expected results (01:27:28) * Be mindful of your context (01:30:15)
1 hr 34 min
The Art of Manliness
The Art of Manliness
The Art of Manliness
#665: How Childhood Shapes Adulthood
Ask an adult, especially if they're struggling in life, what caused them to end up the way they did, and they might cite certain factors from their childhood, like having a mother that was too cold. The problem here, of course, is that memories change over time, and narratives about the past develop to fit one's current situation. My guests today work on the kind of research that corrects this problem to figure out how aspects of childhood truly affect adulthood, by studying humans from the time they're babies through middle age and beyond. Their names are Jay Belsky and Terrie Moffitt, and they're professors of human development, and two of the four contributors to The Origins of You: How Childhood Shapes Later Life. To begin our conversation, Jay and Terrie discuss the longitudinal studies they and their colleagues have used to track people over decades of their lives, and how aggressiveness and shyness in childhood end up impacting adulthood. We then discuss the limitations of the famous marshmallow experiment, and what these more expansive longitudinal studies have shown about the importance of self-control in achieving a successful adulthood. We unpack whether the negative outcomes associated with being bullied in childhood are inevitable, who's most likely to become a bully, and who's most likely to be bullied (which as it turns out, isn't a matter of being fat or wearing glasses). We discuss how children who act out in childhood, but avoid making certain mistakes in adolescence, can still turn out okay, and why you probably shouldn't worry about children who were good kids, but get into a little trouble in their teen years. We also dig into the impact that childcare has on kids, and the role that genes play in development. We end our conversation with some allowance-related ideas for cultivating greater self-control in your kids.  Get the show notes at See for privacy information.
55 min
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