Alexandra Firth

Soil Health Scientist

Colorado

Research Expertise

soil health
soil microbiology
regenerative agriculture
water quality

About

With 10 years of experience working with-and-for farmers, ag professionals, conservation professionals and research scientists, my background as a researcher and practical experience bridges the divide between the environmental sciences and agribusiness. Drawing on ecological theory, I use a systems approach to transform complex research findings into actionable land management. I believe that together we can transition conventional agricultural systems towards a more resilient, sustainable model that mutually benefits industry, human wellness and environmental integrity. TECHNICAL SKILLS \- Project Management \- Soil Health Indicators Cropping Systems (organic and commercial) \- Advanced Quantitative Modeling \- Experimental Design \- Data Collection and Management \- Statistical Analysis and Data visualization \- Soil Carbon Measurements \- Soil Microbiology \(wet lab and bioinformatics\) \- Cropping Systems \(organic and commercial\) \- Advanced Quantitative Modeling \- Experimental Design \- Data Collection and Management \- Statistical Analysis and Data visualization \- Conservation Practices \- Nutrient Management

Publications

Low external input sustainable agriculture: Winter flooding in rice fields increases bird use, fecal matter and soil health, reducing fertilizer requirements
Agriculture, Ecosystems & Environment
2020
Oxidative stress affects sperm performance and ejaculate redox status in subordinate House Sparrows
Journal of Experimental Biology
2017
Dynamics of Soil Organic Carbon and CO2 Flux under Cover Crop and No-Till Management in Soybean Cropping Systems of the Mid-South (USA)
Environments
2022
Balancing Tradeoffs in Climate-Smart Agriculture: Will Selling Carbon Credits Offset Potential Losses in the Net Yield Income of Small-Scale Soybean (Glycine max L.) Producers in the Mid-Southern United States?
Decision Analysis
2023
Soil bacterial community dynamics in plots managed with cover crops and no-till farming in the Lower Mississippi Alluvial Valley, USA
Journal of Applied Microbiology
2022
Using cameras to index waterfowl abundance in winter-flooded rice fields
MethodsX
2020
Manure and Cover Crop Management Practices on Dryland No-Till Cotton System in Mississippi
Grow: Plant Health Exchange
2019
Investigation of Pathogenic Bacterial Transport by Waterbirds: A Case Study of Flooded and Non-Flooded Rice Systems in Mississippi
Water
2020
Application of DEMATEL approach to identify the influential indicators towards sustainable supply chain adoption in the auto components manufacturing sector
Journal of Cleaner Production
2018
A Field-Scale Investigation of Cover Crop Effects on Runoff Water Quality in the Mid-South
Unknown Venue
2023

Education

Mississippi State University

Ph.D., Soil Health

Starkville, Colorado, United States of America

Mississippi State University

Master of Science, Agroecology

Starkville

Humboldt State University

Bachelor of Science, Ecology

Arcata

Experience

Colorado State University

Research Scientist

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