Latest News

Whether you’re flat-rating soybeans or using a yield-based variable rate plan, you may be missing out on the full potential of your field. True yield potential depends maximizing node and pod development—which is influenced by more than past performance.

With the right spatial analysis, Advanced Agrilytics matches the seeding rates to the location- specific conditions driving soybean growth: slope, soil moisture, organic matter, and more.

Why do we flat-rate soybean seed when plants in different environments have unique requirements to thrive?

Mathew Tapley All Sizes 1

Environmental Variability Drives Soybean Seeding Strategy

These maps illustrate how soybean seeding rates shift with water availability and slope. Steeper, water-limited environments require higher populations to support node development, while flatter, high-producing environments require lower rates to reduce competition and lodging risk. Aligning seeding strategy to terrain helps unlock yield potential across every environment in the field.

SOIL WATER INDEX (SWI)

SLOPE

SOYBEAN SEEDING RATE

Advanced Agrilytics Research Insights

  • Flat-rate seeding assumes uniform potential. But a single field comprises diverse microenvironments with different stand establishment requirements and yield capacities.
  • Steep, dry slopes require higher seeding rates. To maximize nodes and pod development, steep slopes require more seeds, while flatter, more productive environments require lower rates to reduce competition and lodging risk.
  • Sub-acre analysis reveals consistent trends. Soybean performance is more closely tied to environment-specific stand density than total seeds planted.

What Growers Are Asking

“IF MY CURRENT SEEDING STRATEGY PRODUCES DECENT RESULTS, WHY SHOULD I CHANGE IT?”

Uniform seeding rates may work well on your “better” fields, but are likely limiting performance (or wasting seed) in others. Some growers don’t realize how much variability there is within their fields until they see it visualized in our TerraSIGNAL™ layers.

“DOES VARIABLE-RATE SOYBEAN SEEDING REALLY PAY FROM AN ROI STANDPOINT?”

Absolutely. Static seeding rates can result in missed yield opportunities of 3–4 bushels per acre in under-seeded environments, while overspending in others. At $10 soybeans, that can translate to $30–$40 per acre in unrealized revenue, or $30,000–$40,000 across 1,000 acres.

“I’M ALREADY DOING VARIABLE-RATE SEEDING. HOW IS THIS DIFFERENT?”

Most variable-rate plans are based on historical yield maps and soil type, which don’t fully reflect the drivers of
yield, like slope, soil moisture, and nodal development. TerraSIGNAL™ goes deeper, using spatial data to build prescriptions based on how each part of the field grows soybeans. Many growers discover untapped potential.

Get Started

Soybean seeding is just one strategy in our proprietary spatial agronomy system, powered by TerraSIGNAL™