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PODCAST

Field, Lab, Earth

ASA, CSSA, SSSA

Past and present advances in the fields of agronomic, crop, soil, and environmental sciences. Enjoy interviews with researchers published in journals, books, and magazines from the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America. Opinions and conclusions expressed by authors are their own and are not considered as those of the American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, its staff, its members, or

science natural sciences

All Episodes

38:49

Oil Spill Remediation in North Dakota with Dr. Tom...

Field, Lab, Earth ·

2020/04/17

“Crop Production on Heavily Disturbed Soils following Crude Oil Remediation” with Dr. Tom DeSutter and Sam Croat. When an oil spill occurs on land, there are myriad ways to approach cleanup, from adding oxidizers or nutrients to speed natural processes, burning off surface oil, replacing contaminated top soil with top soil from other regions, or even just removing the soil to a landfill. When an oil spill in 2013 contaminated Steve and Patty Jensen’s land with ~860,000 gallons of Bakken crude oil,

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33:51

The Deepwater Horizon Oil Spill with Drs. John White...

Field, Lab, Earth ·

2020/04/03

“Crude Oil Effects on Redox Status of Salt Marsh Soil in Louisiana” with Dr. John White. Also featuring Dr. John Pardue. Ten years ago, on April 20th, the Deepwater Horizon oil platform exploded, killing eleven crewmen and releasing about five million barrels of crude oil into the Gulf of Mexico and surrounding environment over the next 87 days. Drs. John White and John Pardue have spent much of their careers focusing on the effects of oil on the environment and ways to speed recovery efforts after

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43:21

Top Ten Plants with Dr. Mary Meyer and Dr. Natalie...

Field, Lab, Earth ·

2020/03/20

“Top 10 Plants: Increasing Awareness of Plants” with Dr. Mary Hockenberry Meyer and Dr. Natalie Bumgarner. Plant blindness is the inability to “see” the plants around us, that is, to recognize them as separate and important pieces of our surroundings beyond their roles as general background or landscape. But for those who do “see” plants and their varied species, how can they communicate that information and passion to those around them? One potential answer? Lists. Drs. Mary Meyer and Natalie

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40:44

Plant Blindness in Children’s Art with Drs. Christina...

Field, Lab, Earth ·

2020/03/04

“Analysis of Children's Drawings to Gain Insight into Plant Blindness” with Dr. Christina Hargiss and Dr. Paula Comeau Plant blindness is a phenomenon that, despite its name, has nothing to do with whether or not plants can see. It is actually defined as our inability to see or value the plants around us. Interdisciplinary researchers Drs. Christina Hargiss and Paula Comeau have spent a lot of time digging down to the “roots” of this problem, with research touching anything from psychology to

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29:12

Plant Blindness in Children’s Art with Drs. Christina...

Field, Lab, Earth ·

2020/03/04

“Analysis of Children's Drawings to Gain Insight into Plant Blindness” with Dr. Christina Hargiss and Dr. Paula Comeau Plant blindness is a phenomenon that, despite its name, has nothing to do with whether or not plants can see. It is actually defined as our inability to see or value the plants around us. Interdisciplinary researchers Drs. Christina Hargiss and Paula Comeau have spent a lot of time digging down to the “roots” of this problem, with research touching anything from psychology to

en

34:26

Organic Certifications with Harriet Behar

Field, Lab, Earth ·

2020/02/21

Episode Title: Organic Certifications with Harriet Behar Show notes: Getting organically certified is one of the first and most important steps to transitioning to organic farming, but how does one actually go about it? Harriet Behar has worked in organic systems for over thirty years and is an expert on the regulations, processes, and requirements for getting organically certified. Join us and host Dr. Erin Silva as we discuss this crucial process in part one of our four part series on

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37:57

Organic Basics and Business Operations with Anders...

Field, Lab, Earth ·

2020/02/21

The organic industry generates 50 billion dollar a year. But if you’re looking at transitioning into organic farming, where do you begin? Anders Gurda and Paul Dietmann work with organic farmers every day. Join us with host Dr. Erin Silva for part two of our four part series on transitioning to organic farming, where we discuss how to improve your organic business, how to navigate the financials of switching, and where to find the best buyers for your grains. Listen in to learn: How teaming up with

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40:31

Nutrient Cycling in Organic Systems with Dr. Erin Silva

Field, Lab, Earth ·

2020/02/21

In North America, standards for soil health and fertility in organic systems are regulated at the federal level. But for those transitioning to organic farming, it can be difficult to know how to meet those standards without access to the same toolkit they used while practicing conventional farming. Join us and moderator Chris Boomsma in this last installment of our four part series on transitioning to organic farming, where we discuss tips and trends to organically manage soil health, fertility,

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36:30

The Organic Systems Mindset with Tom Frantzen

Field, Lab, Earth ·

2020/02/21

Tom Frantzen has been in organic agriculture for thirty years with his wife Irene in Iowa. Join us and host Dr. Erin Silva for part three of our four part series on transitioning to organic farming, where we’ll discuss his introduction and transition to organic farming, lessons he’s learned, the values and disciplines he treasures, and the changes he’s seen in organic farming over the decades. Tune in to learn more about: The benefits of holistic management Why it’s important to match what you

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37:01

Genome-Wide Association Studies in Apples with Dr....

Field, Lab, Earth ·

2020/01/17

“Genome-Wide Association Studies in Apple Reveal Loci for Aroma Volatiles, Sugar Composition, and Harvest Date” with Dr. Zoë Migicovsky, Dr. Carsten Pedersen Apple breeding can take a long time. Because each seed is the progeny of two different trees and each tree takes five to six years to produce its first fruits, breeders can be waiting years, if not decades, to see the results of their hard work. Drs. Zoë Migicovsky and Carsten Pedersen are working to change that. By comparing the genomes of

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36:19

Winter Phosphorus Release in Cover Crops with Dr....

Field, Lab, Earth ·

2019/12/20

“Winter Phosphorus Release from Cover Crops and Linkages with Runoff Chemistry” with Dr. Merrin Macrae Cover crops can offer a variety of ecosystem services, including reducing soil erosion. However, in colder climates, where cover crops can freeze and die over the winter, there is the possibility that the Phosphorus within cover crops can then leach into surface runoff. Dr. Merrin Macrae and her team decided to dive deep and discover whether or not this trade-off exists and, if so, to what extent

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37:34

Methane, Hydrology, and Constructed Wetlands with...

Field, Lab, Earth ·

2019/11/15

“Plant Species and Hydrology as Controls on Constructed Wetland Methane Fluxes” with Karla Jarecke and Dr. Terry Loecke Wetlands are important ecosystems that provide many important services, such as assisting in water quality, flood control, erosion protection, carbon removal and storage, and biodiversity. Hydrology is the study of water, specifically in how it moves throughout the landscape. Combine them with the conundrum of methane production in wetland plant species, and you’ve got the makings

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40:53

What We Mean by Soil Health with Dr. Ryan Stewart

Field, Lab, Earth ·

2019/10/18

“What We Talk about When We Talk about Soil Health” with Dr. Ryan Stewart. Soil health is an important topic for today’s scientists, but how do we quantify it, and when we talk about “healthy soils,” what do we even mean? Dr. Ryan Stewart and his team set out to answer just that. Doing a meta-analysis on dozens of studies listed in The Soil Health Institute’s Research Landscape Tool, Ryan and his team compared different soil health indicators to determine what scientists are measuring, how they’re

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39:34

350 Years of Phosphorus with Dr. Andrew Sharpley and...

Field, Lab, Earth ·

2019/09/20

“Celebrating the 350th Anniversary of Phosphorus Discovery: A Conundrum of Deficiency and Excess” with Drs. Andrew Sharpley, Helen Jarvie, Don Flaten, and Peter Kleinman. 350 years ago, German alchemist Hennig Brandt accidentally discovered phosphorus during his quest to find the philosopher’s stone. As it turns out, phosphorus can’t turn base metals into gold, but it is one of the most important elements for sustaining life on earth. Join us for this episode as we discuss the discovery of

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40:41

Saturated Riparian Buffers with Dr. Morgan Davis and...

Field, Lab, Earth ·

2019/08/16

“Nitrous Oxide Emissions from Saturated Riparian Buffers: Are We Trading a Water Quality Problem for an Air Quality Problem?” with Dr. Morgan Davis and Dr. Tyler Groh. Riparian buffers are areas of perennial vegetation planted around stream banks and other riparian zones to protect against soil erosion and nutrient leaching. However, tile drainage systems—piping laid under fields to keep them from becoming too saturated—are designed to bypass riparian buffers, leading to potentially harmful levels

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32:52

Tree Harvesting, Biomass Removal, and Soil Nutrient...

Field, Lab, Earth ·

2019/07/19

“Effects of Biomass Removal Levels on Soil Carbon and Nutrient Reserves in Conifer-Dominated, Coarse-Textured Sites in Northern Ontario: 20-Year Results” with Dr. Dave Morris Forest harvesting varies greatly from annual harvests of agricultural crops, with extended times between harvests, the amount of harvested material removed, and the degree of site disturbance. Trees can grow to impressive sizes, but can take up to 60 years or more to reach a merchantable size. Because of these factors, the

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08:46

Blooper Reel and Listener Survey

Field, Lab, Earth ·

2019/06/21

Happy birthday to us! In honor of our first birthday, we’ve put together a blooper reel. And to keep the good times rolling, we’ve developed a short, five minute survey to help us improve. Please take the time to fill it out, and enjoy some of our favorite flubs! Thank you to all of our amazing guests from year one! https://www.surveymonkey.com/r/N8V2YSL If you would like to sign up for our newsletter, please visit our website: https://dl.sciencesocieties.org/publications/podcast Contact us at

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35:01

High-Throughput Seed Phenotyping with James Clohessy

Field, Lab, Earth ·

2019/06/21

“A Low-Cost Automated System for High-Throughput Phenotyping of Single Oat Seeds” with James Clohessy. A Rube Goldberg machine is a machine intentionally designed to complete a simple task using overly complicated steps. James Clohessy and his team are doing just the opposite. Using machine learning, web cameras, open software, and photogrammetry techniques, they’re developing low cost, high-throughput, high efficiency phenotyping systems. With these systems, researchers can save hours of time that

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31:15

Vadose Zone Gas Migration and Leaking Wells with...

Field, Lab, Earth ·

2019/05/17

“Vadose Zone Gas Migration and Surface Effluxes after a Controlled Natural Gas Release into an Unconfined Shallow Aquifer” with Olenka Forde. Olenka Forde thinks a lot about a world that we’ll never see – the world existing right underneath our feet. Olenka’s research is related to hydraulic fracturing and she is interested in how we can safely extract oil and gas resources without negative impacts on fresh water supply, wildlife, and even humans. She does this by monitoring the fate and transport

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37:01

Turfgrass Colorants with Drew Pinnix

Field, Lab, Earth ·

2019/04/19

“Color, Transfer, and Application Parameters of Turfgrass Colorants” with Garland (Drew) Pinnix. In kindergarten, we’re taught that colors can be one of seven colors of the rainbow. Later, we learn fun colors like purple mountain majesty and get excited when our friend brings a 50-pack of crayons. In reality though, color is much more complex, a mixture of hue, brightness, and saturation. Drew Pinnix thinks a lot about color, specifically in relation to turfgrass. Most of the time, the beautiful

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135 results

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