SEE RESULTS

Case Studies and Data

HILLCREST COUNTRY CLUB

Hillcrest is 29-time host to the Korn Ferry/Web.com tour, the Boise Open. Before beginning a PRM program, Hillcrest had moderate thatch layering, low infiltration rates, with prevalent dry and wet spots in different areas on the course.

YEAR 1 PRM RESULTS: 

  • Thatch reduction — 61% decrease
  • Drainage improvement — 77% increase
  • Root zone expansion — 70% increase

Over the course of the year, Hillcrest experienced a reduction in localized dry and wet spots, and reduced hand watering by over 90% in June. Assistant Superintendents also noticed the irrigation system ran more efficiently as they rarely had to service filters on sprinkler heads. Thatch reduction, drainage improvement, root zone expansion, and reduced compaction were observed year after year.

EAGLE HILLS

Eagle Hills ran a scaled trial of PRM during the 2019 season, running an isolated program on the front 9 in order to keep the back 9 as a control.

PRM RESULTS:

  • Thatch — 36% decrease
  • Root zone — 81% increase
  • Compaction — 41% decrease
  • Drainage — 15% increase

CONTROL RESULTS:

  • Thatch — 7% increase
  • Root zone reduction — no change / slight decrease
  • Compaction — 20% increase
  • Drainage — 55% decrease

Before

5 tee before, with inconsistent turf density, color and signs of heat stress.

After

5 tee after, visibly more dense, consistent, and no signs of heat stress.

Before

7 apprach before, with similar issues to 5 tee displaying heat stress, poor density and dry spots.

After

7 approach after, showing an improvements in color, density and no heat stress.

RIVERBIRCH

Before PRM Riverbirch suffered from severe latch layering (1-2″) that created an entirely perched water table, with little to no roots reaching into the compacted, dry soil (VWC 4-6%).

2018/2019 RESULTS

  • Reduced thatch and compaction
  • Root zone expansion
  • Increased turf density

 See photos below for visuals of Before / After comparison of the PRM trial at Riverbirch.

Turf Before

Dry brown patches cover both the Test and Control areas.

Turf After

Test area has improved in color and turf density.

Root Zone Before

Shallow root zone before, which stayed consistent in Control.

Root Zone After

Root depth increased by several inches in Test area.

PINECREST

Pinecrest ran a PRM trial on their greens during the 2019 season. Before beginning a PRM program, Pinecrest experienced moderate thatch layering, compaction and infiltration rates on their greens. We demonstrated a significant improvement in turf quality and playing conditions with PRM.

PRM RESULTS:

  • Thatch — 60% decrease
  • Root zone — 148% increase
  • Compaction — 90% decrease
  • Drainage — 17% increase

See photos below to see the overall difference in turf quality. We saw improvements in denser, greener and more consistent turf.

 

Before

7 green before, with inconsistent density and color. 

After

7 green after, looking denser and more consistent.

Before

Close up shot of 7 green before.

After

Close up shot of 7 green after.

ARIZONA NATIONAL

Before beginning a PRM program, Arizona National faced issues with compaction, high runoff, bare spots throughout fairways, and thin roughs with low turf density. Their location in the Sonoran Desert also meant extremely high expense for water and fertility.

 

2016-2017 PRM TRIAL RESULTS:

  • Turf filled in and density increased
  • Improved water infiltration and decreased runoff
  • Saved $130,000 in water
  • Saved $80,000 in fertility
  • Set record for number of rounds played — over 4,000 in March 2017

Before

Turf conditions before PRM treatment began: bare spots and poor playing conditions.

After

Improved playing conditions and consistent turf after treatment.

QUAIL HOLLOW

Before beginning a PRM program, Quail Hollow experienced inconsistent turf density, moderate-severe thatch layering, and very poor infiltration rates.

PRM RESULTS:

  • Reduced compaction — 44% decrease
  • Root zone expansion — 65% increase
  • Drainage improvement — 170% increase

See photos below to see the overall difference in turf quality. We saw improvements in greener, more consistent turf across the course.

 

Before

Quail Hollow’s hole 13 before, with inconsistent turf density and color.

After

Quail Hollow’s hole 13 after, looking denser and much more consistent. 

Before

Quail Hollow hole 3 before, with similar issues to 13 displaying thin/dry spots.

After

Quail Hollow hole 3 after, showing an improvements in color and density. 

Performance Resource Management is a premium agronomic service designed to deliver superior results. By taking a holistic approach to resource management and improving the biological health of soil, we improve playing conditions, all while conserving water and reducing other operational costs.

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The characterization of the research and results efforts on this website, as well as the expectations associated with them, are reflective of the current state of development and may change as the Company progresses.