• Is Growing Vegetables Vegan?  Veganic Farming with Nate Salpeter of Sweet Farm on The Plantbased Business Hour

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    How can we shift the food system to get animals out of the supply chain, even down to manure? Elysabeth Alfano talks to Nathaniel Salpeter of Sweet Farm about AgTech, his sense of purpose for helping to shift the food supply system and his work with veganic farming on The Plantbased Business Hour. 

    Specifically, they discuss,

    1. How Nate shifts between nuclear engineering and Sweet farm, a veganic farm, sanctuary and foundation.
    2. What is veganic farming?
    3. What are the newest advancements in AgTech?
    4. How are farmers fitting into an AgTech farming world?
    5. Can Impact investing in AgTech foster a complete systems change?

    Below is a highlight clip from the long-form interview and a transcript of same. For the podcast, click here.

    Elysabeth: Who better to talk about farming with than a nuclear engineer? He also happens to be the founder of Sweet Farm and the Sweet Farm Foundation. I want to bring on my guest today, Nate Selpeter. I’m glad to have you with me.

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    Nate Salpeter: A lot of people who have even been plant-based or vegan for their entire adult lives don’t realize that plant-based agriculture, including especially organic agriculture, is largely propped up by animal agriculture. So, fertilizers for instance, largely come from bone meal, blood meal, feather meal, fish meal, or manure, right? Those products come directly out of animal exploitation. So, what Sweet Farm does is we have a practice called veganic agriculture. We are learning an incredible amount through this process. In many ways we’re taking a page out of the Rodale Institute in terms of setting up experiments of how this is working, and this is not. That is valuable information we can share.

    Elysabeth: I think you’ve sort of dropped a bomb on people. A lot of people don’t realize that their plants-and that means their plant-based foods-are grown with animal manure and that animal manure is coming from factory farmed animals. That’s where it gets made if you will, for lack of a better expression, and then turned into manure. So, if you are doing veganic farming, tell me then where are you getting your nitrogen source exactly?

    ©Sweet Farm

    Nate Salpeter: Yeah, absolutely. So, this is a really fun one. A couple of places. One is cover cropping which is a well-established process by which during the off season you’re planting legumes and other nitrogen fixing crops, so your winter rye and your bell beans and other things on the ground in which you then work back into the soil so that you can cut it and then lay it down in ground mulch.

    We don’t do spraying and we’re not using harsh chemicals or herbicides out here. So that helps in that regard. For our compost program we actually integrate in the shavings from our barns. Our animals have bedding in their barns so that adds a carbon source. We also integrate in something called biochar.

    Humans are a part of the ecosystem believe it or not. There are 7.8 billion people on this planet and for whatever reason people have started to draw the boundary of a plant-based ecosystem with just the plant. They say, “Okay, here’s the plant. There are nitrogen sources in it,” but what’s not accounted for is that fact that humans are going in and picking the tomato, eating the tomato, and then guess what? We have our own outputs as well.

    So, bringing it back to our nitrogen source now, BioForceTech, is an amazing company. They created a self-sustaining process that can do what’s called pyrolyzing this biomass. They can do it in a way that is carbon negative so you take the biomass out of the wastewater treatment, you burn it at a very high temperature with a very low oxygen content, and it turns one hundred tons of biomass into one ton of biochar and it breaks down all of the pharmaceuticals, all of the pathogens, all of the perfluoro alcohols, the non-stick coatings on your pans; all of that becomes carbon, nitrogen, phosphorus, constituent elements, right,  benign elements at that point.

    And the carbon source becomes a great water retention device when integrated into the soil. It absorbs nitrogen from your compost pile and then releases it more slowly. It also provides a little micro hotel for the beneficial micro rhizobium that help with root communication and nutrient transfer within the ground. So, we did the very first field trials and we’ve been helping them grow and expand as a company and integrate into municipalities all over the country and world.

    Elysabeth: I think what I’ve taken away from this, and, of course, I’ll have more questions, but we can repurpose some of these awful chemicals which we need to do anyway and use them to our own benefit. As well as we ourselves have an output so there are other options than animal manure.

    Now you can be a part of the conversation. The Plantbased Business Hour airs LIVE on LinkedIn every Tuesday at 1p PT on Elysabeth Alfano’s LinkedIn Page: here. Tune in to ask the most influential leaders in the plant-based business arena your questions.  To make sure you never miss an episode, vegconomist will be also be featuring The Plantbased Business Hour interviews every Wednesday. Stay tuned right here for more. To learn more about The Plantbased Business Hour, click here. Follow Elysabeth on LinkedIn here and PBH here.

    For inquiries regarding sponsorship of The Plantbased Business Hour, contact Emma Clarkson at [email protected]

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