Sentinel Ag

Sentinel provides agronomic insights for optimal crop nutrition.

12/24/2025

From Sentinel Ag and our families, Merry Christmas.

This season reminds us that Christ came into the world humbly by family, obedience, and faith. That truth resonates deeply in agriculture, where the work is steady, unseen, and built on trust in what we can’t yet see.

We’re grateful for the families and ag communities who steward the land every day, often without recognition, always with purpose. Thank you for the commitment, resilience, and care you bring to every acre and every season.

May this Christmas bring rest, clarity, and renewed strength as we look ahead to the year to come.

12/22/2025

Real-world nitrogen decisions don’t happen in theory.
They happen in-season, under pressure, acre by acre.

At the 2026 Sentry Network Summit, hear directly from growers who are doing the work.

Grower Panel: How We Get It Done
Grower Perspectives on In-Season Nitrogen

This panel goes beyond recommendations and gets into what actually works, what doesn’t, and how in-season data drives confident decisions when it matters most.

Friday, January 23
11:00–11:45 AM

Register today and join the conversation shaping modern nitrogen stewardship.
https://www.sentinelag.tech/main-sentry-network-summit

12/19/2025

Our latest agronomy blog from Director of Agronomy, Bob Gunzenhauser, digs into a critical but overlooked part of corn physiology.

Beyond Photosynthesis: How Nitrogen Storage in Lower Leaves Protects Corn Yield breaks down why upper canopy leaves drive most of the crop’s photosynthesis, while lower leaves serve as key nitrogen reserves that support grain fill when stress hits.

Bob highlights research showing how strong early-season nitrogen or timely reproductive applications help buffer yield against drought or nitrogen stress. When those reserves run short, yield loss follows.

If you are planning your 2026 nitrogen strategy, this is essential reading.

Read the full article for the science behind how nitrogen moves through the plant and what it means for late-season management.

12/17/2025

Sentinel Ag and Nave Analytics, Inc. are joining forces to raise the bar on crop intelligence.
By integrating NAVE’s water-use modeling and soil moisture analytics into Sentinel, growers gain deeper visibility into crop demand — unlocking stronger nitrogen recommendations and meaningful irrigation decision support.

This partnership expands what’s possible inside the platform. More precision. More confident decisions. More power to steward every acre responsibly and profitably.

2026 will bring a new level of clarity to the field.

12/15/2025

Jake Linneman of AgSpire will deliver this year’s keynote on Trends in Water and Nutrient Stewardship.
This session cuts through the noise and focuses on what is actually shifting in the field, what growers need to prepare for, and how stewardship expectations are changing across the industry.

If you want a clear read on the forces shaping the next five years of agronomy, this is the session to be in.
Join us in Omaha January 22–23.
Register here:
https://www.sentinelag.tech/main-sentry-network-summit

12/13/2025

Thank you to CHONEX for hosting this upcoming webinar and bringing together partners focused on practical nutrient management.

Sentinel Ag is looking forward to joining Jackson Stansell, Jack Washburn of Cultra, and the CHONEX team to discuss how biology, precision nitrogen insights, and digital planning tools are being used to support clearer nutrient decisions and EQIP-ready plans.

December 16 | 12 PM EST

Register here:
https://www.chonex.ag/webinars

12/12/2025

AONR and EONR are often presented as fixed answers, but Jackson Stansell’s Founder’s Note reminds us that nitrogen management is never that simple. Weather, soil, hybrid response, and timing all shift the crop’s true need, and any static rate carries uncertainty.

That is why sufficiency-based, in-season measurement matters. AONR gives a starting point. EONR gives an economic target. But neither can fully account for real-time crop status on their own. Sentinel’s sufficiency index bridges that gap by detecting nitrogen demand before it impacts yield, allowing growers to adjust with confidence rather than rely on assumptions.

This is the tradeoff Jackson highlights: reduce unnecessary complexity while capturing the critical data that drives better decisions. With timely insight into nitrogen status, you are no longer managing to an average. You are managing to what your field needs today.

See the carousel for a breakdown of AONR vs EONR and why sufficiency-based decisions matter.

12/11/2025

We’re on the ground at the Nebraska Ag Expo this week. Find us in Booth 3119.
If you want straight answers on nitrogen efficiency, in-season performance, and what it actually takes to drive profitable, responsible stewardship — come talk to us.

Our team is ready to walk you through current event promos and how Sentinel fits into your operation for 2026.
Stop by. Ask hard questions. Get clear insights that matter.

Booth 3119. See you there.

12/10/2025

Have you read our newest blog?
Bob Gunzenhauser digs into a counterintuitive idea: sometimes the right kind of stress can push a crop toward better performance. Not every tight window or dry spell is a setback—when applied at the right time, small amounts of H₂O and N stress can set the stage for stronger yields.

In this piece, Bob breaks down why water availability drives nitrogen uptake, how early-season stress can influence crop development, and when the line between “beneficial” and “damaging” really matters. It’s a practical, agronomy-first perspective built for growers who want to understand why their fields respond the way they do.

If you haven’t read it yet, dive in here:
https://www.sentinelag.tech/post/sometimes-it-s-ok-to-be-stressed-beneficial-h2o-and-n-stress-to-gain-top-yields

12/08/2025

Sentinel Ag and Nave Analytics, Inc. are teaming up to bring real-time crop water use and soil moisture intelligence into Sentinel.
This integration sharpens irrigation timing, protects nitrogen, and delivers a clearer read on what fields actually need.
More precision. Less waste. Better stewardship.

12/04/2025

December’s Sentinel Ag Newsletter is out.

Inside, Jackson Stansell breaks down how agile nitrogen management can become the biggest profit lever for 2026, and our engineering team walks through new dashboard improvements that streamline in-season decisions.

We also highlight upcoming events, resources, and the latest updates heading into the 2026 Sentry Network Summit.

Read the full issue and stay connected to what’s next in nitrogen management.

Subscribe here: https://www.sentinelag.tech/newsletter-signup

12/02/2025

The State of Sentinel sets the tone for where we are headed.
Founder and CEO Jackson Stansell will walk through the work, the wins, and the real challenges shaping the next chapter of Sentinel Ag. This session is built for people who want a clear picture of the road ahead and the decisions that will move our network forward.

Join us Friday, January 23 from 8:30 to 9:15 AM.
Register here:
https://www.sentinelag.tech/main-sentry-network-summit

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