Your Trusted Agronomy Partner
Planet Earth Agronomy is an agronomy technology company and new product development business providing quality products, outstanding insight, and best-in-class service to farm businesses seeking to produce higher yields and greater return on investment while safeguarding their land for future generations.
Providing products, technology, and tools to the people who grow the crops that feed the world.
How We Work
Our "Farmer First" Approach
We exist to solve agronomic problems from the ground up, ensuring every recommendation is backed by hard data and proven in the field.
1
Rigorous, High-Quality Research
We don't guess; we test. Our foundation is built on using randomized, replicated test blocks across diverse soils and climates to generate the most robust and repeatable research data possible.
2
Independent Validation
We prove our performance in the real world. Beyond our own rigorous internal vetting, our products are continually validated through third-party and university trials.
3
Best-in-Class Evaluation Technology
We measure success from the roots to the canopy. We evaluate product performance using advanced technology, including drones, satellite imagery, and RNA and DNA soil and plant testing.
We pair these modern diagnostics with traditional agronomic measurements such as biomass, weight, height, and density to get a complete picture of crop health.
4
Enhancing Tradition
We know what it takes to farm profitably, and we don’t abandon the agronomic tools that have worked for generations — we improve them every season. By bridging advanced biology with traditional chemistry, we make your standard inputs work harder and more efficiently.
Our Approach to Choosing Products For your farm
THE PLANET EARTH AGRONOMY PYRAMID
Our Agronomy Pyramid explains how we keep our decision-making tied to our ethos of helping farmers and growers retain or grow profit whilst providing better care for their soil and crops. Typically, when we are brought onto a farm, it’s because something isn’t working — yields are low, disease is present, or crops are underperforming. This is how we build solutions from the ground up.
FINANCIAL HEALTH
ROI drives adoption. Farmers will only adopt technologies that improve their bottom line. Every product or technology we bring to market must demonstrate clear economic value on the farm.
HUMAN HEALTH
Healthier crops produce better food for people and animals. We focus on enhancing the nutrient density of the harvest and improving the safety of the application process for the farmer.
PLANT HEALTH
Improving soil health leads directly to stronger, healthier plants. We identify limiting factors and push the crop through critical stress periods to improve yield and performance.
SOIL HEALTH
We begin with soil health and nutrient availability, because in over 90% of cases, the root issue behind underperforming crops is soil imbalance or poor soil health.
YieldEDGE K
5-8-4 foliar nutritional designed to improve nutrient conditions for better plant and fruit growth.
Best used for:
Stress Mitigation and Recovery
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10-16-38 Water Soluble
High potassium water soluble fertilizer designed for fertigation and foliar nutrition programs.
Best used for:
Nutrient Use Efficiency
Eclipse
Eclipse is a balanced 6-0-1 EDTA-chelated starter fertilizer delivering fully soluble zinc, manganese, and copper.
Best used for:
Nutrient Use Efficiency
Intervene
An all-in-one adjuvant and surfactant that combines drift control, water conditioning, and pH adjustment.
Best used for:
Spray Performance & Weed Control
Response PX
An all-in-one spray adjuvant designed to improve coverage, deposition, and nutrient efficiency in every spray pass.
Best used for:
Spray Performance & Weed Control
Cranberry Vine Accelerator
Specialty nutrient designed to improve vine growth, density, root length, and overall cranberry productivity.
Best used for:
Stand Establishment
Big Bean
A micronutrient-rich biostimulant applied at reproductive stages to increase soybean pod set and yield potential.
Best used for:
Reproduction
Ultra Fluent Soybean
Next-generation soybean seed fluency agent with biological nitrogen-fixation support and improved stand vigor.
Best used for:
Stand Establishment
Connector O
4% Fulvic acid solution for improved nutrient chelation and uptake.
Best used for:
Nutrient Use Efficiency
PEA Fulvic 20
High-quality fulvic acid fertilizer additive designed to improve nutrient availability and fertilizer performance.
Best used for:
Nutrient Use Efficiency
Bio N
PEA Bio N is a Microbial consortium for enhanced nitrogen fixation, nutrient cycling, and soil biodiversity.
Best used for:
Soil Health and Biology
PopUp Ultra Corn
PopUP Ultra corn is a microbial-charged starter fertilizer containing fulvic acid and chelated micronutrients.
Best used for:
Stand Establishment
PopUp Ultra Soybean
Microbial-charged starter fertilizer containing fulvic acid and chelated micronutrients.
Best used for:
Stand Establishment
Calcium 8%
Liquid Calcium (8%) chelate designed to prevent and correct calcium deficiencies in fruit and vegetable crops.
Best used for:
Quality/Color/Grade
Complement Corn
A high-efficiency NPK (3-8-1) and micronutrient starter fertilizer engineered to accelerate corn root development.
Best used for:
Soil Health and Biology
Humic 20
A concentrated, acid-soluble humic acid that improves cation exchange capacity and soil structure.
Best used for:
Soil Health and Biology
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Larry Fiene
Founder/CEO
CEO and Co-Founder of Planet Earth Agronomy, Larry leads the company’s research-driven agronomy platform, delivering tested biostimulant and nutrient solutions across 15 U.S. states and Canada while serving on multiple industry boards and earning national recognition for agricultural leadership.
Jake Fiene
Operations Lead
Jake Fiene combines hands-on agricultural experience with a systems-level role at Planet Earth Agronomy, supporting product formulation, manufacturing, logistics, and customer success. He focuses on delivering consistent, field-ready solutions by aligning product performance with real-world conditions.
Louisa Ewert
Canadian Sales Lead and Executive Assistant
Louisa brings a lifelong connection to agriculture, entrepreneurship, and plants to her role with Planet Earth Agronomy. Her experience in business development, sales, and building strong customer relationships complements her work as Planet Earth Agronomy’s Canadian sales lead and Administrative Assistant.
Meet Our Team
DON'T TAKE OUR WORD FOR IT
See the Results from Growers in the Field
I like their practicality really at the end of the day, they value the implementation and they understand that it's an ROI game...[the Planet Earth Team] are a tremendous wealth of information... their information is the key, you know, and they have the experience and everything needed to guide you in a direction that's going to be synergy.
Kevin D.
- Distributor, Upper Mid-West
I would highly recommend Planet Earth to anybody that has questions about the biological world, the biostimulants, something that they want to add to their portfolio and be able to offer customers and be comfortable with proven products and a lot of knowledge.
Troy T.
- Retailer, High Plains
We take their advice. Yes. There's a lot of good and there's a lot of bad microbiology in the industry and with the research they have here at Planet Earth Agronomy, we've never been steered in the wrong direction.
Nelson M.
- Retailer, South Dakota
We met Larry and the guys at Planet Earth Agronomy and everything's been great. They've been awesome to us and we just hit things off right away.
[They are] more about the passion than thier bottom line.
Chris H.
- Grower, South Dakota
A lot of companies, they can get a product and take it to the market and have a big year with it and they disappear off the map. They got their money, they're gone onto the next thing... and that's just not the approach with [Planet Earth Agronomy]. And so their beliefs and who they are to the core is what makes me want to work with them.
Andy J.
- Grower, South Dakota
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