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Related Experiment Video

Updated: Oct 25, 2025

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Agronomic gain: Definition, approach, and application.

Kazuki Saito1, Johan Six2, Shota Komatsu1,3

  • 1Africa Rice Center (AfricaRice), 01 B.P. 2551, Bouaké 01, Cote d'Ivoire.

Field Crops Research
|August 9, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces "agronomic gain" to measure sustainable intensification improvements in crop productivity and resource use. Standardized key performance indicators (KPIs) are crucial for assessing agronomic gain across diverse crops and regions.

Keywords:
AgronomyOryza spp.ProductivitySustainability

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Area of Science:

  • Agricultural Science
  • Agronomy
  • Sustainable Intensification

Background:

  • Global staple crop demand necessitates continuous productivity enhancement.
  • Existing performance indicators for productivity lack standardization across crops and geographies, hindering understanding of sustainable intensification.
  • There is a need for simple, robust key performance indicators (KPIs) to standardize knowledge.

Purpose of the Study:

  • To define and apply the concept of 'agronomic gain' as an improvement in KPIs.
  • To assess agronomic gain across different stages of science-based agronomic innovations.
  • To identify challenges and propose solutions for assessing agronomic gain, particularly for rice in sub-Saharan Africa.

Main Methods:

  • Defined 'agronomic gain' based on improvements in KPIs (productivity, resource use efficiency, soil health).
  • Applied the concept to various assessment approaches: yield gap analysis, meta-analysis, on-station/on-farm studies, impact assessment, panel studies, and statistical analysis.
  • Focused on rice studies in sub-Saharan Africa to analyze yield gaps and assess KPIs.

Main Results:

  • Identified challenges in assessing agronomic gain, including differentiating it from genetic gain, unreliable data collection, and scalability issues.
  • Highlighted the importance of multi-environment trials to understand variety × agronomic practice × environment interactions.
  • Proposed novel KPI assessment methods using remote sensing and mobile devices.

Conclusions:

  • Standardized assessment of agronomic gain is essential for advancing sustainable crop intensification.
  • Overcoming assessment challenges requires integrated approaches, including multi-environment trials and innovative data collection technologies.
  • Improved assessment methodologies will facilitate better understanding and implementation of sustainable agronomic practices for food security.