Cover art for podcast Field, Lab, Earth

Field, Lab, Earth

89 EpisodesProduced by ASA, CSSA, SSSAWebsite

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 conclu… read more

episodes iconAll Episodes

Life Cycle Analyses and Greenhouse Gases with Dr. Hoyoung Kwon

November 18th, 2022


“Greenhouse gas mitigation strategies and opportunities for agriculture” with Dr. Hoyoung Kwon

Agriculture and food systems can be strong …

Popping Sorghum Performance with Kent Mitchell

November 4th, 2022


“Assessment of Kernel Characteristics to Predict Popping Performance in Grain Sorghum” with Kent Mitchell

Popping sorghum is a niche alternative to …

Halloween Special: Aphids and Hornworms and White Flies, oh my! with Dr. Vikram Baliga

October 31st, 2022


It’s Halloween, which means its spooky time. Throughout history, humans have battled some pretty scary pests, from aphids to spider mites, white …

Improving Edamame with Dr. Bo Zhang

October 21st, 2022


“‘VT Sweet’: A vegetable soybean cultivar for commercial edamame production in the Mid-Atlantic U.S.” with Dr. Bo Zhang

Edamame, or edible soybean, …

Modeling for Climate Change with 2022 World Food Prize Laureate Dr. Cynthia Rosenzweig

October 14th, 2022


The World Food Prize was established by Dr. Norman Borlaug and is the equivalent of the Nobel Prize in agriculture. This year’s winner is Dr. Cynthia …

Biosolids Research in Colorado with Dr. Jim Ippolito

September 30th, 2022


“The Clean Water Act and Biosolids: A 45-Year Chronological Review of Biosolids Land Application Research in Colorado” with Dr. Jim Ippolito

A Proactive Approach to Lithium Pollution with Dr. Alex Chow

September 16th, 2022


“Proactive Approach to Minimize Lithium Pollution” with Dr. Alex Chow

Lithium is a chemical element that has recently gained much attention for its …

Managing Poultry Manuresheds with Dr. Ray Bryant

August 19th, 2022


“Poultry manureshed management: Opportunities and challenges for a vertically integrated industry” with Dr. Ray Bryant

Poultry farms are often …

Battling Rice Weeds with Seeding Depth with Dr. Alex Ceseski

July 15th, 2022


“Seeding depth effects on elongation, emergence, and early development of California rice cultivars” with Dr. Alex Ceseski.

In California, several …

2022 Blooper Reel

June 22nd, 2022


It’s our blooper reel! Our podcast is turning four this year. As a birthday treat, enjoy bloopers from our last orbit around the sun. Want to get us a birthday treat in return? Rate and review us on your favorite …

Optimizing Food-Feed Production in Smallholder Systems with Dr. Peter Thorne

June 17th, 2022


“Redesigning traditional weed management practices in faba bean fields to optimize food-feed production in the smallholder system” with Peter Thorne.

Picking on Nitrogen Rates with Drs. Brian Arnall, Josh McGrath, and Wade Thomason

June 3rd, 2022


There are multiple tools for farmers to work with when deciding Nitrogen recommendation rates. All of them operate on the spectrum between …

Maize Breeding for Protein-Restricted Diets with Matthew Woore, Dr. Sherry Flint-Garcia, and Dr. James Holland

May 20th, 2022


“The Potential to Breed a Low-Protein Maize for Protein-Restricted Diets” with Matthew Woore, Dr. Sherry Flint-Garcia, and Dr. Jim Holland

Soil Sensing on Mars with Drs. Doug Cobos and Colin Campbell

May 6th, 2022


In 2008, NASA launched their Phoenix Lander to take measurements on Mars. This episode, Drs. Doug Cobos and Colin Campbell talk about their …

Urban Food Forests with Dr. James Allen

April 15th, 2022


“Urban food forests in the American Southwest” with Dr. James Allen.

Food forests are multi-level polycultures where fruit and nut trees, vegetables, …

Multifunctional Agroforestry with Dr. Sarah Lovell

March 18th, 2022


“Agroforestry at the Landscape Level” with Dr. Sarah Lovell

Agroforestry is where trees are grown alongside other crops or livestock. It’s an extremely flexible practice that can be adapted to both urban and rural …

Microplastic Movement through the Soil with Yingxue Yu

February 18th, 2022


“Current understanding of subsurface transport of micro- and nanoplastics in soil” with Yingxue Yu.

Microplastics can come from all kinds of sources, including broken down bottles, face and body scrubs, plastic bags, …

Profitable Nitrogen Rates for Corn with Dr. Carrie Laboski

January 20th, 2022

Nitrogen is an important nutrient for corn which, when applied as a fertilizer, can increase yields. However, too much nitrogen can lead to negative impacts on human health, water quality, plant health, and the …

Salt-Affected Roadside Grasses with Dr. Eric Watkins

December 17th, 2021


“Review of cool-season turfgrasses for salt-affected roadsides in cold climates” with Dr. Eric Watkins.

Salt is commonly spread on roads in colder …

Turfgrass Greenhouse Gas Emissions with Drs. Quincy Law and Jon Trappe

November 19th, 2021


“Greenhouse gas fluxes from turfgrass systems: Species, growth rate, clipping management, and environmental effects” with Drs. Quincy Law and Jon Trappe

Greenhouse gases are naturally occurring gases that contribute to …

Halloween Special: Boll Weevils with Paul Csomo

October 31st, 2021


Boll weevils are an agricultural pest that feeds primarily on cotton. After their arrival in the 1890s, they caused devastation across the …

Intercropping Macadamia Nuts and Coffee with Professor Rogério Soratto

October 15th, 2021


“Macadamia intercropping into an inefficient adult coffee plantation is economically advantageous” with Rogério Soratto.

Macadamia nuts are a …

The FAO Strategic Framework with Ismahane Elouafi

October 1st, 2021


The Food and Agriculture Organization of the United Nations (FAO) has been fighting hunger for more than 75 years. The FAO Strategic Framework …

Crops and Man with Drs. Thomas Stalker and Marilyn Warburton

September 17th, 2021


Harlan’s Crops and Man with Drs. Thomas Stalker and Marilyn Warburton

Humans and the crops they use have co-evolved across the centuries. This …

The Circular Bionutrient Economy with Dr. Rebecca Nelson

September 3rd, 2021


When nutrients are taken up in the field, they often find their way into the fruits and vegetables that we enjoy. But once we eat them, how can they get back to the fields for future crops? This episode, Rebecca will …

Bridging the Farm to Research Gap with Heather Hampton+Knodle

August 20th, 2021


Research is crucial for the advancement of agriculture. However, research solutions must also be feasible for the farmers who will be implementing …

Regenerative Agriculture and The Living Soil Handbook with Jesse Frost

August 6th, 2021


The Living Soil Handbook with Jesse Frost.

Regenerative agriculture focuses on improving soil health by disturbing the soil as little as possible, …

Regenerative Agriculture and IPM with Dr. Thomas Green

July 16th, 2021


Integrated pest management, or IPM, is a system by which pests are controlled using informed decision-making techniques. Regenerative agriculture is …

Lake-Dredged Sediments and Soil Health with Dr. Angélica Vázquez-Ortega and Russell Brigham

July 1st, 2021


“Assessing the Effects of Lake-Dredged Sediments on Soil Health: Agricultural and Environmental Implications on Northwestern Ohio” with Angélica …

2021 Blooper Reel and Listener Survey

June 22nd, 2021


Happy birthday, everybody! Today is our third birthday, and we couldn’t be happier. We’re so grateful to all of our guests and to you, dear listener! …

Earthworms and the Ozark Highlands with Dr. Kristofor Brye

June 18th, 2021


“Earthworm density differences over time among a native tallgrass prairie and chronosequence of tallgrass prairie restorations in the Ozark Highlands” and “Seasonal earthworm density differences among mound positions …

Fieldwork Ready with Dr. Sara Vero

May 21st, 2021


Fieldwork Ready with Dr. Sara Vero.

Fieldwork and lab work are two sides of the same scientific coin. However, when preparing for fieldwork, there are many things to consider that don’t come up in a lab. This episode, …

Sustainable Ag Supply Chains and IPM with Justin Krick, Kate Schaffner, and Ben Wickerham

April 16th, 2021


Sustainable farming systems are critical for all of us, from producers to consumers. It’s therefore important for the full supply chain–from food …

Nikolai Vavilov with Dr. Joel Cohen

March 22nd, 2021


“Varietal Timelines and Leadership Challenges Affecting the Legacy of Nikolai Ivanovich Vavilov” with Dr. Joel Cohen

Nikolai Vavilov was an …

The History of Seed Banks with Dr. Helen Anne Curry

March 22nd, 2021


Seed banks are collections of seeds that researchers use to protect valuable genetic resources both for breeding and conservation purposes. But where …

Preserving the Pest Control Toolkit with Dr. Bryan Ulmer

March 19th, 2021


“IPM Toolkit Preservation” with Dr. Bryan Ulmer.

Integrated Pest Management, or IPM, is a system by which pests are controlled using informed …

The Fukushima Daiichi Nuclear Disaster with Dr. Dan Ferreira

March 5th, 2021


“The Impact of pH and Ion Exchange on 133Cs Adsorption on Vermiculite” with Dr. Dan Ferreira.

On March 11, 2011, a massive earthquake and tsunami led …

Cover Crops and IPM with Dr. Christopher Proctor

February 19th, 2021


“Using Cover Crops as an IPM Tool for Managing Hard-to-Control Weeds” with Dr. Christopher Proctor.

Cover crops are crops grown between cash crops …

Ag Literacy with Brendan Black

February 5th, 2021


Ag Literacy is defined as having a basic knowledge of how food and fiber systems work. However, many consumers today do not understand these systems and processes. Brendan Black, host of the Talk Ag to Me podcast, is …

Sustainable Agriculture Programs in the USA and EU with Dr. Scott Hutchins

January 22nd, 2021


“Sustainable Agriculture in the U.S. vs. the EU: A Comparative Look at Different Approaches to Similar Objectives” with Dr. Scott Hutchins

Government …

Field Drawing in Natural Sciences with Bethann Garramon Merkle

January 1st, 2021


“Drawn to natural history: Enhancing field courses with drawing and field journal instruction” with Bethann Garramon Merkle.

Field drawing has long been used as a method of documentation and observation in the natural …

Holistic IPM with Dr. Thomas Green

December 18th, 2020


Integrated pest management, or IPM, is a system by which pests are controlled using informed decision-making techniques such as pest monitoring and …

Pollen-Mediated Popcorn Gene Flow with Dr. Amit Jhala and Dr. Ethann Barnes

December 4th, 2020


“Risk assessment of pollen-mediated gene flow from Ga1-m field corn to dent-sterile Ga1-s popcorn” with Dr. Amit Jhala and Dr. Ethann Barnes.

Popcorn …

‘Butta-12’ Malting Barley with Lynn Gallagher and Ron Silberstein

November 20th, 2020


“Registration of ‘Butta 12’, A Two-Row Malting Barley Adapted to the California Central Valley with Proven Floor-Malting Success and Craft Brewer Acceptance” with Lynn Gallagher and Ron Silberstein

California is a prime …

Halloween Special: Locusts with Ellen Weatherford

October 31st, 2020


Locusts are one of the most damaging agricultural pests in the world, causing problems since ancient times all the way up until today. This episode, …

Soil Health with 2020 World Food Prize Laureate Dr. Rattan Lal

October 16th, 2020


The World Food Prize is awarded to those who have made outstanding contributions to food and food security around the world. The brainchild of Nobel Laureate Dr. Norman Borlaug, it was founded in 1986 and is the …

Dr. Norman Borlaug with Julie Borlaug, Dr. Ronnie Coffman, and Dr. Ed Runge

October 2nd, 2020


Dr. Norman Borlaug was an American agronomist who specialized in wheat breeding. Known as the Father of the Green Revolution, he helped other hunger …

Carrot Stress Tolerance and Wild Relative Breeding with Dr. Philipp Simon

September 18th, 2020


“Tapping into Wild Carrot Diversity for New Sources of Abiotic Stress Tolerance to Strengthen Carrot Pre-Breeding in Bangladesh and Pakistan” with …

COVID-19, Agricultural Research, and Food Supply Chains with Dr. Gary Pierzynski

September 4th, 2020


“Research and Funding in the Time of COVID‐19” with Dr. Gary Pierzynski.

The global COVID-19 pandemic has caused disruption worldwide, with research …

Sports Field and Athlete Interactions with Dr. Chase Straw

August 21st, 2020


“A Review of Turfgrass Sports Field Variability and Its Implications on Athlete-Surface Interactions” with Dr. Chase Straw.

Sports scientists study how athletes perform during exercise and how that affects the body. …

Wild Pig Impacts on Water Quality with Dr. John Brooks

July 17th, 2020


“A preliminary investigation of wild pig (Sus scrofa ) impacts in water quality” with Dr. John Brooks.

Wild pigs are an invasive species that impact …

2020 Blooper Reel

June 22nd, 2020


It’s our second birthday today, which means we’re releasing a second blooper reel. We are now also offering continuing education unit (CEU) quizzes …

Oyster Aquaculture with Chelsea Duball

June 19th, 2020


“Impacts of Oyster Aquaculture on Subaqueous Soils and Infauna” with Chelsea Duball.

Oysters are praised as ecosystem engineers, not only for their …

Water Retention Products on Home Lawns with Vikram Baliga

May 15th, 2020


“Evaluation of Water Retention Products to Conserve Urban Water Resources in Home Lawns” with Vikram Baliga.

Water retention products are designed to help turfgrasses conserve water. But as water conservation becomes an …

Oil Spill Remediation in North Dakota with Dr. Tom DeSutter and Sam Croat

April 17th, 2020


“Crop Production on Heavily Disturbed Soils following Crude Oil Remediation” with Dr. Tom DeSutter and Sam Croat.

When an oil spill occurs on land, …

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

April 3rd, 2020


“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 …

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

March 20th, 2020


“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 …

Plant Blindness in Children’s Art with Drs. Christina Hargiss and Paula Comeau, pt. 2

March 4th, 2020


“Analysis of Children's Drawings to Gain Insight into Plant Blindness” with Dr. Christina Hargiss and Dr. Paula Comeau

Plant blindness is a …

Plant Blindness in Children’s Art with Drs. Christina Hargiss and Paula Comeau, pt. 1

March 4th, 2020


“Analysis of Children's Drawings to Gain Insight into Plant Blindness” with Dr. Christina Hargiss and Dr. Paula Comeau

Plant blindness is a …

Nutrient Cycling in Organic Systems with Dr. Erin Silva

February 21st, 2020


In North America, standards for soil health and fertility in organic systems are regulated at the federal level. But for those transitioning to …

The Organic Systems Mindset with Tom Frantzen

February 21st, 2020


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 …

Organic Basics and Business Operations with Anders Gurda and Paul Dietmann

February 21st, 2020


The organic industry generates 50 billion dollar a year. But if you’re looking at transitioning into organic farming, where do you begin? Anders …

Organic Certifications with Harriet Behar

February 21st, 2020


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? …

Genome-Wide Association Studies in Apples with Dr. Zoë Migicovsky and Dr. Carsten Pedersen

January 17th, 2020


“Genome-Wide Association Studies in Apple Reveal Loci for Aroma Volatiles, Sugar Composition, and Harvest Date” with Dr. Zoë Migicovsky, Dr. Carsten …

Winter Phosphorus Release in Cover Crops with Dr. Merrin Macrae

December 20th, 2019


“Winter Phosphorus Release from Cover Crops and Linkages with Runoff Chemistry” with Dr. Merrin Macrae

Cover crops can offer a variety of ecosystem …

Methane, Hydrology, and Constructed Wetlands with Karla Jarecke and Dr. Terry Loecke

November 15th, 2019


“Plant Species and Hydrology as Controls on Constructed Wetland Methane Fluxes” with Karla Jarecke and Dr. Terry Loecke

Wetlands are important …

What We Mean by Soil Health with Dr. Ryan Stewart

October 18th, 2019


“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 …

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

September 20th, 2019


“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 …

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

August 16th, 2019


“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 …

Tree Harvesting, Biomass Removal, and Soil Nutrient Reserves with Dr. Dave Morris

July 19th, 2019


“Effects of Biomass Removal Levels on Soil Carbon and Nutrient Reserves in Conifer-Dominated, Coarse-Textured Sites in Northern Ontario: 20-Year …

Blooper Reel and Listener Survey

June 21st, 2019


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, …

High-Throughput Seed Phenotyping with James Clohessy

June 21st, 2019


“A Low-Cost Automated System for High-Throughput Phenotyping of Single Oat Seeds” with James Clohessy.

A Rube Goldberg machine is a machine …

Vadose Zone Gas Migration and Leaking Wells with Olenka Forde

May 17th, 2019


“Vadose Zone Gas Migration and Surface Effluxes after a Controlled Natural Gas Release into an Unconfined Shallow Aquifer” with Olenka Forde.

Olenka …

Turfgrass Colorants with Drew Pinnix

April 19th, 2019


“Color, Transfer, and Application Parameters of Turfgrass Colorants” with Garland (Drew) Pinnix.

In kindergarten, we’re taught that colors can be one …

Hydrological Observatories with Dr. Heye Bogena

March 15th, 2019


“Toward Better Understanding of Terrestrial Processes through Long-Term Hydrological Observatories” with Dr. Heye Bogena.

Hydrology, put plainly, is …

Precision and Sustainable Agriculture with Dr. David Clay

February 15th, 2019


Precision Agriculture Basics with Dr. David Clay

Dr. David Clay, along with the precision agriculture community, are working like codebreakers to …

The OSU Hand Planter with Dr. Bill Raun

January 18th, 2019


“Hand Planter for the Developing World: Factor Testing and Refinement” with Dr. Bill Raun

Across Central America, South America, and Africa, there are thousands of acres of land with slopes and landscapes that will …

Sediment and the Health of the Great Barrier Reef with Dr. Peter Hairsine

December 21st, 2018


“Review: Sediment-Related Controls on the Health of the Great Barrier Reef” with Dr. Peter Hairsine.

In 2016, a catastrophic bleaching event killed …

Stacking Soybean Cyst Nematode Resistance with Dr. Brian Diers

November 16th, 2018


“Pyramiding of Alleles from Multiple Sources Increases the Resistance of Soybean to Highly Virulent Soybean Cyst Nematode Isolates” with Dr. Brian …

Wildland Fire, Mercury, and Perch with Dr. Randy Kolka and Trent Wickman

October 19th, 2018


“Yellow Perch (Perca flavescens) Mercury Unaffected by Wildland Fires in Northern Minnesota” with Dr. Randy Kolka and Trent Wickman.

We often hear of …

Crop Wild Relatives Week with Dr. Stephanie Greene

September 21st, 2018


“An Inventory of Crop Wild Relatives of the United States” with Dr. Stephanie Greene.

Crop Wild Relatives week is September 22 – 29, 2018!

Crops are vital to feeding an expanding world – and like anything incredibly …

The Farm Bill with Dr. Julie McClure and Dr. Elizabeth Stulberg

September 7th, 2018


The Farm Bill with Dr. Julie McClure and Dr. Elizabeth Stulberg

If you have ever eaten food in the United States, you’ve been impacted by The Farm …

Climate Change and Simulated Canola Yields with Dr. Budong Qian

August 17th, 2018


“Simulated Canola Yield Responses to Climate Change and Adaptation in Canada” with Dr. Budong Qian.

Canada really cares about the future of canola. …

Insect Pollinators and Confection Sunflowers with Dr. Rachel Mallinger

July 19th, 2018


“Benefits of Insect Pollination to Confection Sunflowers Differ Across Plant Genotypes” with Dr. Rachel Mallinger.

Sunflowers are a hallmark of an …

Artificial Sweeteners Underground with Dr. John Spoelstra

June 13th, 2018


“Artificial Sweeteners Reveal Septic System Effluent in Rural Groundwater” with Dr. John Spoelstra.

Dr. John Spoelstra is something like a wastewater detective. If there is secret wastewater that is contaminating …

Iron Layers in Golf Course Soils with Glen Obear

June 13th, 2018


Rapid soil formation in engineered soils, as highlighted in the article “Soil Evolution Par for the Golf Course” with Glen Obear.

Not all of us who …

Blue Carbon in Mangrove Forests with Dr. Gabriel Nuto Nóbrega

June 13th, 2018


“Diffuse Reflectance Spectroscopy (Vis-Nir-Swir) as a Promising Tool for Blue Carbon Quantification in Mangrove Soils: A Case of Study in Tropical …

Antibiotic Resistance in Nebraskan Soils with Dr. Lisa Durso

June 13th, 2018


“Assessment of Selected Antibiotic Resistances in Ungrazed Native Nebraska Prairie Soils” with Dr. Lisa Durso.

Antibiotic resistance has revealed itself as one of the great public health threats of our lifetimes. It …

Cover Crop Cocktails with Dr. Ebony Murrell and Dr. Mac Burgess

June 13th, 2018


“Achieving Diverse Cover Crop Mixtures: Effects of Planting Date and Seeding Rate” with Dr. Ebony Murrell and Dr. Mac Burgess

In fall, organic farmers across the country will start spreading seeds for crops that they …

Loading ...

Are you the creator of this podcast?

Verify your account

and pick the featured episodes for your show.

Listen to Field, Lab, Earth


A free podcast app for iPhone and Android

  • User-created playlists and collections
  • Download episodes while on WiFi to listen without using mobile data
  • Stream podcast episodes without waiting for a download
  • Queue episodes to create a personal continuous playlist
RadioPublic on iOS and Android
Or by RSS
RSS feed

Connect with listeners

Podcasters use the RadioPublic listener relationship platform to build lasting connections with fans

Yes, let's begin connecting
Browser window

Find new listeners

  • A dedicated website for your podcast
  • Web embed players designed to convert visitors to listeners in the RadioPublic apps for iPhone and Android
Clicking mouse cursor

Understand your audience

  • Capture listener activity with affinity scores
  • Measure your promotional campaigns and integrate with Google and Facebook analytics
Graph of increasing value

Engage your fanbase

  • Deliver timely Calls To Action, including email acquistion for your mailing list
  • Share exactly the right moment in an episode via text, email, and social media
Icon of cellphone with money

Make money

  • Tip and transfer funds directly to podcastsers
  • Earn money for qualified plays in the RadioPublic apps with Paid Listens