WCS-FARM Contact

Research & Extension · 2025–2026

New results
from the field

A living record of WCS-FARM science — presentations and posters delivered at CANVAS 2025 (Salt Lake City, UT) and ASA-CSSA-SSSA 2025. Together they trace how water, carbon and soil management shape emissions, soil health, crop productivity and farmer adoption across the network.

10Presentations & posters
6Active field campaigns
5Partner universities
2025–26Latest results

Publications & presentations

Browse the 2025–2026 collection

Open the conference paper, watch the recorded talk, or download the poster/abstract PDF. Links open in a new tab.

Invited Talk · Video CANVAS 2025 · Salt Lake City, UT

Linkages Among Water, Soil, and Crop Productivity and Resilience

Dr. Jerry L. Hatfield

Watch
Talk · Video CANVAS 2025 · Salt Lake City, UT

Soil C and N₂O Emissions across a Water Gradient and Management in Agroecosystems

Dr. Charles W. Rice · Kansas State University

Watch
Talk · Video CANVAS 2025 · Salt Lake City, UT

Optimizing Agricultural Practices: Synergistic Effects of Rotations, Tillage, Cover Crop, and Nitrogen

Dylan Williams · Mississippi State University

Watch
Abstract CANVAS 2025 · Salt Lake City, UT

Impacts of Crop Management on Grain Yield, Quality, Cover Crop Biomass, Residue Cover, and Residual Nitrogen in Dryland Systems

J. Schwartze, D. Ruiz Diaz, A. Obour, B. Olson, M. Reiman & A. Tonon Rosa · Kansas State University

Abstract
Poster Gothenburg, NE · 2021–2024

Integrating Tillage, Nitrogen, Cover Crops, and Rotation Diversity to Improve Corn Yield

Jovani de Oliveira Demarco · Kansas State University

Poster
Poster · PDF CANVAS & ASA-CSSA-SSSA 2025

Nitrous Oxide Emissions and Soil Health Responses to Crop and Soil Management in the U.S. Central Plains

W. Squizani de Arruda, C. W. Rice, A. K. Obour & D. Ruiz Diaz · Kansas State University

Abstract PDF
Poster · PDF ASA-CSSA-SSSA 2025

N₂O Emissions in a Wet Growing Season in Iowa

Ernesto Reboredo · Iowa State University

Poster PDF
Talk · Extension CANVAS 2025 · Salt Lake City, UT

Voices from the Field: What May Drive or Prevent Cover Crop Adoption in the Semi-Arid Great Plains?

Jena Schwartze · Kansas State University · survey of 126 producers

Paper
Talk · Video · PDF CANVAS / C3 2025 · Salt Lake City, UT

Evaluating Crop Yield Productivity in Corn, Soybean, and Wheat Using Multi-Management Factors

Sumita Sen · The Ohio State University · Perrysburg, OH

Watch Poster PDF
Poster · PDF 2026

Soil Biodiversity under Cropping-System Management

W. Squizani de Arruda & C. W. Rice · Kansas State University

Poster PDF
Poster · PDF Gothenburg, NE · 2026

Soil Organic Matter and Nutrient Responses to Cropping System Management

Jovani Demarco, A. Rosa, M. Reiman, B. Olson, M. Sarto, C. Rice & D. Ruiz Diaz · Kansas State University

Poster PDF

Presentations & talks

Slides & meeting decks

Download the full WCS-FARM presentation decks and meeting materials (PPTX / DOCX).

Where this research happens

Active 2025–2026 field campaigns

N₂O emissions, soil health and dryland cropping systems. Lead researchers: Wagner Squizani de Arruda & Jena Schwartze.

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N₂O flux measured across a precipitation gradient. Lead researchers: Ernesto Reboredo & Charles W. Rice.

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Rotation diversity, tillage and nitrogen management for corn yield. Lead researcher: Jovani Demarco.

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Multi-factor cotton and corn management trials. Lead researcher: Dylan Williams.

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Large-plot corn–soybean–wheat productivity under multi-management factors. Lead researcher: Sumita Sen.

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Get involved

Meet the researchers behind the data

Explore the WCS-FARM team across six institutions, or return to the project overview.

Meet the team Project overview