The 3 Biggest Risks to Your Crop Right After Planting and How to Avoid Them

Every season, you will make hundreds of plans and decisions before planting kicks off…

But once that seed is tucked into the soil, you have a very short window where those decisions will be proved right, or expensive. What happens in the first two to three weeks is not always something you can see, but it will determine how the crop will finish. In many ways, the season is shaped before the crop even gets going.

Here are three ways those early days can quietly steal bushels from you, but more importantly, what you can do to keep that from happening.

1. Root Development: The Foundation You Don’t See

The Risk

In the first two to three weeks, the plant establishes its root system, which determines how effectively it can access water and nutrients for the rest of the season. A strong root system supports resilience, especially under variable Mid-West conditions where moisture and temperature can shift quickly. If root development is slow or weak, the plant spends the rest of the season trying to catch up and seldom does.

The Solution

Getting early establishment right is super important. This starts with planting in the right conditions, but it is also means incorporating the right biological inputs right from the start. Here, inoculants play a key role to activate early root function and supporting the processes that drive growth from the outset. By improving early root activity and access to nitrogen, they help the plant establish faster and more consistently, setting up a stronger foundation for the rest of the season.

2. Nitrogen Fixation and Early Growth: Turning the System On

The Risk

In soybeans, nitrogen fixation starts in that early 14 – 21 day window period, but it is not always immediate or consistent. If nodulation is delayed or uneven, sometimes caused by unwanted weather fluctuations the plant can’t generate enough nitrogen when it needs it most. This can limit early growth, create variability across the field, and reduce overall efficiency for the rest of the season.

The Solution

The goal is to get nitrogen fixation started early and evenly across the field. This is where inoculants play an important role in introducing the bacteria required for nodulation. But here, quality and survivability matter. High-performance inoculants support faster and more consistent nodulation, ensuring the plant can begin producing its own nitrogen sooner. This leads to a more stable nitrogen supply, stronger early growth, and more uniform crop development.

3. Weed Control: Your First and Best Shot

The Risk

The first herbicide application really does set the tone for the season. If control is inconsistent, weeds compete with the crop from day one. We all know what that means – reduced access to water, nutrients, and light. Surviving weeds then also increase pressure later in the season and contribute to resistance over time. Once weeds establish, regaining control becomes more difficult and expensive.

The Solution

Your priority is to make sure the first application of herbicide performs as you need it to. This means not only choosing the right herbicide but making sure it works effectively in real field conditions. Here, adjuvants play a critical role by conditioning the spray water and preventing actives from being tied up, particularly in hard water environments. This helps ensure more consistent uptake, cleaner control, and fewer survivors, giving the crop the clean start it needs.

The Takeaway for your 2026 planting season

The first 14 to 21 days are not just another phase of the season. They are the highest leverage window you have. Root development, nitrogen fixation, and early weed control all need to work together to give the crop the strongest start possible.

The takeaway is simple: getting the basics right in the first two to three weeks is one of the most effective ways to reduce risk and improve performance.

Why are the first 14 - 21 days after planting important?

The first 14 – 21 days determine how the crop establishes, including root growth, weed control, and early plant health, which all impact final yield.

Roots develop, soybeans begin nitrogen fixation, weeds either get controlled or compete, and the crop starts to establish evenly or unevenly.

Some issues can be managed, but poor early establishment is difficult to fully correct later in the season.

Yes. They help ensure herbicides perform as intended, leading to better weed control and fewer survivors.

The biggest risks are poor emergence, weak root growth, early weed competition, and cold or wet soil conditions.

ABOUT THE AUTHOR

Steven Etherington, MBFi North America
Steven leads MBFi’s North and South American operations, bringing 12+ years of agricultural biotechnology experience. He oversees strategy, operations, and R&D integration to deliver sustainable biological solutions that help growers achieve stronger, more resilient yields.