Stand Counts and Vigor Mapping

image of Vigor mapping

Smarter Replant Decisions with PASUAV

Early-season decisions set the ceiling for yield. One of the most costly mistakes growers make is guessing—waiting too long to assess emergence, or replanting entire fields when only specific zones are underperforming. Precision Agricultural Services (PASUAV) helps eliminate that guesswork through stand counts and crop vigor mapping, giving growers clear, data-backed insight into when—and where—replanting actually makes economic sense.


What Are Stand Counts?

image of what are stand counts

Stand counts measure how many healthy plants have emerged per acre and how evenly they are distributed across a field. Instead of walking rows or relying on spot checks, PASUAV uses high-resolution drone imagery to analyze entire fields quickly and consistently.

With aerial stand counts, growers can:

  • Identify thin or missing stands early
  • Detect planter, seed depth, or emergence issues
  • Compare actual emergence to target populations
  • Avoid unnecessary whole-field replants

What Is Vigor Mapping?

image of Vigor mapping for crop health analysis

Vigor mapping evaluates plant health and growth potential, not just presence. Using multispectral imagery (such as NDVI and related indices), PASUAV highlights how well plants are photosynthesizing and developing compared to the rest of the field.

Vigor maps reveal:

  • Stress from compaction, moisture, nutrients, or disease
  • Variability that is invisible from the ground
  • Zones likely to underperform at harvest
  • Areas where intervention will deliver the best return

Why Stand Counts and Vigor Mapping Work Best Together

Stand counts answer “Do I have enough plants?”
Vigor mapping answers “Are those plants performing?”

Together, they provide a complete picture for replant decisions:

  • A thin stand with strong vigor may not justify replanting
  • A full stand with poor vigor may require intervention
  • Patchy areas can be selectively replanted instead of tearing up the whole field

This targeted approach protects yield while controlling costs.


Making Replant Decisions That Actually Pencil Out

image of Agricultural drone mapping crop health

Replanting is expensive—not just in seed, but in time, labor, fuel, and lost growing days. PASUAV’s data allows growers to evaluate:

  • Yield potential of existing stands vs. replanted areas
  • Break-even thresholds by zone
  • Timing windows where replanting still makes agronomic sense
  • Whether partial-field replanting offers the best ROI

Instead of reacting emotionally or relying on averages, growers can make zone-based, economically justified decisions.


Practical Benefits for Growers

  • Faster assessments across entire fields
  • Objective, repeatable data—not opinions
  • Reduced replant costs through precision targeting
  • Better yield preservation in challenging seasons
  • Documentation to support management and insurance discussions

When to Deploy Stand Counts and Vigor Mapping

PASUAV typically recommends flights:

  • Shortly after emergence
  • During early vegetative stages
  • After weather events that may impact stands
  • When uneven growth becomes visible but causes are unclear

Early data leads to better outcomes—and fewer irreversible decisions.


Precision That Protects Profit

In today’s margins, replant decisions can no longer rely on intuition alone. PASUAV’s stand counts and vigor mapping give growers the clarity to act decisively, conserve resources, and focus investments where they matter most.

Better data. Better decisions. Better fields.