Central Washington Tree Fruit Systems LTARE Site

a map with the location of the Wenatchee LTARE

Key Objectives

  1. Establish best practices and standard operating procedures for optimal soil health.
  2. Reduce variability in orchards with organic matter amendments or other soil health building practices.
  3. Reduce bitter pit and other disorders related to nutrient uptake and water/plant stress.
  4. Establish soil health practices which conserve water and buffer environmental stress in the face of climate change.
  5. Identify long-term sustainable approaches to managing soil borne disease and nematodes.

Cropping system and region

Central Washington Tree Fruit Systems

Location

WSU - Tree Fruit Research and Extension Center - Sunrise Farm in Wenatchee, Washington. 

Climate and soil type

Annual high temperature: 63 F

Annual low temperature: 42 F

Average annual precipitation: 9 in

Primary soil type: Pogue fine sandy loam

Established

2023

Area

Three trials across 7.5 acres

Site team

Tianna DuPont - Tree Fruit Extension Specialist

Sarah Gafner-Bergeron - LTARE Coordinator

Lee Kalcsits - Tree Fruit Physiologist

Tracy Somera - Microbiologist

Devin Rippner - Soil Scientist

Jessica Waite - Geneticist

Kelly O'Neil - Orchard Manager

Tom Forge - Nematologist

Site advisory committee

Keith Beamann - G.S. Long 

Michael Burns - Zirkle Fruit

Glade Brosi - Wilbur Ellis

Mike Brownfield - Orchardist

Paul Carter - McDougall Fruit

Jeff Cleverina - Columbia Fruit

Chelsea Durfey-Campbell - Lighthouse Farms and Natural Selection Compost

Ray Fuller - Orchardist

Apple Otte - Orchardist

Rod Wedel - Stormy Mountain Farm

Orchard soil health resources

Soil Health Trials

Trial 1 and Trial 3: Investigating reduced disturbance and organic matter additions

Standard

 

An infographic showing the characteristics of the standard treatment.

Mulch Additions

An infographic showing the characteristics of the mulch additions treatment.

Integrated Organic

An infographic showing the characteristics of the integrated organic treatment.

High Carbon Additions

An infographic showing the characteristics of the high carbon treatment.

Trial 2: Investigating soil amendment-based strategies to mitigate apple replant disease

Updates from the Wenatchee LTARE site

WaSHI Annual Report FY25