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Related Experiment Videos

[Relationships between climate change and rice development and its yield formation: a simulation study].

Taoju Liu1, Xinyou Yin, Changhan Qi

  • 1College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China. ltj06@163.com

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|June 10, 2005
PubMed
Summary

This study used the Rice growth Calendar Model (RICAM 1.3) to simulate rice development and yield across diverse Asian climates. The model accurately predicts rice growth stages and eco-physiological processes in various environments.

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Area of Science:

  • Agricultural Science
  • Crop Modeling
  • Ecology

Context:

  • Rice is a staple food for billions globally.
  • Climate change poses significant risks to rice production.
  • Accurate crop modeling is crucial for food security.

Purpose:

  • To simulate rice development and yield formation under varied climatic conditions.
  • To develop and validate a three-stage Beta model (3s-Beta) for predicting rice flowering stages.
  • To assess the suitability of the RICAM 1.3 model for studying ecosystem change.

Summary:

  • The study applied the mechanistic Rice growth Calendar Model (RICAM 1.3) to simulate rice development and yield across multiple Asian locations (Japan, China, Philippines).
  • A novel three-stage Beta model (3s-Beta) was developed to predict rice flowering by describing photo-thermal responses through basic vegetative, photoperiod-sensitive, and post-photoperiod-sensitive phases.

Related Experiment Videos

  • Model validation using 1980-1989 data demonstrated its capability to predict rice eco-physiological processes effectively across diverse environmental conditions.

    • Impact:

    • Provides a validated tool for predicting rice growth and yield under changing climates.
    • Enhances understanding of rice phenology and its response to environmental factors.
    • Supports agricultural planning and adaptation strategies for sustainable rice production.