Today’s guest is Austin Unruh of Trees For Graziers, who is a silvopasture and agroforestry practitioner who I’ve known for about seven years now. He does phenomenal work planting trees for water quality and cattle shade, and shatters the tradeoff between the two. We talked tree species, planting techniques, and a whole lot more.
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Silvopasture in Argentina
Silvopasture is the intentional integration of trees, forage, and livestock, and Northern Argentina boasts over 200,000 acres of plantation silvopasture. If we’re going to make more silvopasture happen in the United States, it’s good to learn from similar climates, even if they’re in the Southern Hemisphere.In this episode, we talk to Luis Colcombet, who is a silvopasture veteran, and an agroforestry agronomist and scientist with INTA in Argentina. He’s been working in silvopasture for decades, with pine, eucalyptus, poplar, and more.
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The Climates and Agroforestry of Argentina
Argentina is full of agroforestry. From 200,000 acres of silvopasture across the northeast, to thousands of miles of windbreaks in Patagonia, to shade-grown yerba mate, trees on farms just make sense. It's incredibly helpful to compare agroforestry systems across different climates and different economies, and we can learn a great deal about our own climate and agroforestry through the lens and the experience of another unique but similar region.
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The Regrarians Platform and Regenerative Agriculture across Climates, with Darren Doherty
Here we have our first Australian on the Plant The Trees Podcast.I first met Darren Doherty at a Keyline agroforestry course in Iowa City in 2014. Back then we sometimes called it permaculture, but you could say that sphere was starving for pragmatism. How could we add financial realism to a socially-inclined ecological agriculture? There are so many things we can do on a landscape, but where do we start? And what goals and ends do we have? The Regrarians platform gives extremely thorough, but flexible guidelines for how to plan landscapes for regenerative agriculture. It’s a must-have in the toolkit if you’re going to make agroforestry happen.In 2014, At 23 years old and fresh out of an undergraduate degree in International Business, I was looking for a way to finance trees and to link investment capital with regenerative agriculture. And 11 years later, we’re making it happen. Darren is an advisor to Propagate. We have a great relationship, and I’m thoroughly enthused to have him on the Plant The Trees Podcast.Join us as we peruse Australia’s climates, holistic management, and The Regrarians Platform.
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Silvanus Forestry Shares Decades of Insights
When we try to transform the world’s distressed or abandoned farmland, we'll come across a massive leverage point. That can be a new technology. Or it can be a tree species. Today we’re going to the country of Hungary to focus on a very unique tree. It grows fast, fixes nitrogen, and produces timber that rivals tropical hardwoods in strength and durability. In Hungary, it’s a species that’s woven into songs, poetry, and everyday life — but in parts of Europe and even its native landscape, it’s been labeled “invasive.” But invasive to when and to what conditions? Today, we meet the people who’ve spent decades unlocking the potential of Robinia pseudoacacia. Silvanus Forestry has bred Black locust that grow straighter, faster, and thrives in places many farmers have dismissed or ignored. From honey to industrial lumber, from the Hungarian plains to the New York, Pennsylvania, and Kentucky, this is the story of how one tree species has shaped landscapes, livelihoods, and rural economies.
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