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The LTAR Cropland Common Experiment at R. J. Cook Agronomy Farm.

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Summary
This summary is machine-generated.

Sustainable agriculture in the Inland Northwest faces challenges from rising costs and environmental concerns. This study compares alternative (ALT) and prevailing (PRV) farming practices to assess ecosystem trade-offs and advance regenerative approaches.

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Area of Science:

  • Agricultural Science
  • Agronomy
  • Environmental Science

Background:

  • Dryland agriculture in the Inland Pacific Northwest faces challenges including rising input costs, soil degradation, limited crop diversity, herbicide resistance, and air quality issues.
  • Technological advancements complicate agricultural decision-making, necessitating innovative research and sustainable practices.
  • There is growing interest in long-term research for assessing ecosystem service trade-offs and developing coproduction research approaches.

Purpose of the Study:

  • To establish and evaluate a long-term agroecosystem experiment contrasting prevailing (PRV) and alternative (ALT) cropping practices.
  • To assess the spatial and temporal variations in cropping system performance, including crop yield, soil health, and water and air quality.
  • To explore coproduction research approaches for advancing agricultural innovation through stakeholder-researcher partnerships.

Main Methods:

  • Established a cropping systems experiment in 2017 at the R. J. Cook Agronomy Farm (CAF) Long-Term Agroecosystem Research (LTAR) site.
  • Contrasted field-scale prevailing (reduced tillage, uniform agrichemicals) and alternative (continuous no-tillage, precision nitrogen) practices over a 30-year timeframe.
  • Conducted biophysical measurements at georeferenced locations to capture field-scale spatial and temporal variability.

Main Results:

  • The experiment is currently assessing spatial and temporal variations in cropping system performance between ALT and PRV practices.
  • Initial research focuses on evaluating crop yield, soil health indicators, and water and air quality metrics.
  • Trade-offs associated with each cropping system are being analyzed.

Conclusions:

  • Long-term research is crucial for understanding ecosystem service trade-offs in dryland agriculture.
  • Alternative cropping practices show potential for advancing sustainable and regenerative agriculture.
  • Coproduction research models are essential for accelerating innovation and impact through stakeholder engagement.