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The purpose of this comprehensive review paper is to assess how well the CROPWAT model estimates the amount of water required by cotton crops under different environmental circumstances. Since cotton is a large cash crop that needs a lot of water to grow and produce, accurate evapotranspiration (ET) prediction is essential for efficient water management. The CROPWAT model is a valuable tool for predicting crop water requirements and improving irrigation systems while taking climate, soil properties, and crop coefficients into account. But the model isn't perfect for every crop or place; it has its limitations. This study assessed the CROPWAT model's shortcomings and assessed how well it estimates the water requirements of cotton crops. The study discovered that the CROPWAT model is effective in estimating the water requirements of cotton crops under diverse environmental conditions, making it a useful tool for irrigation strategy and water management in cotton-growing countries. But the model isn't perfect for every crop or place; it has its limitations. Our review paper also discovered that, particularly in areas with a dearth of meteorological data, the Aqua Crop model and the Hargreaves equation are helpful substitutes for calculating the evapotranspiration (ET) and water requirements of cotton crops. The potential research goal of this work is to provide insights into the strengths and limits of several methods for calculating ET and water requirements for cotton crops. The paper emphasizes the significance of precise ET calculation for efficient water management in cotton farming and offers recommendations for model selection based on data availability and the particular requirements of various crops and cropping systems. The work has the potential to have an impact on the scientific community by adding to the body of knowledge, stimulating new research, and giving practical solutions for addressing water management and agricultural sustainability concerns. Researchers, farmers, and managers of water resources can benefit from the study's findings in order to increase water usage efficiency and support sustainable cotton production.

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Evapotranspiration Model and Crop Water Requirements: Implications for Agricultural Sustainability

  • 会议论文

  • 发表日期：

    2025年

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  • Syeda Faiza Nasim,
  • Syeda Alishba Fatima,
  • Saad Ahmed,
  • Salka Naushad,
  • Umm-e-Kulsoom

摘要

The purpose of this comprehensive review paper is to assess how well the CROPWAT model estimates the amount of water required by cotton crops under different environmental circumstances. Since cotton is a large cash crop that needs a lot of water to grow and produce, accurate evapotranspiration (ET) prediction is essential for efficient water management. The CROPWAT model is a valuable tool for predicting crop water requirements and improving irrigation systems while taking climate, soil properties, and crop coefficients into account. But the model isn't perfect for every crop or place; it has its limitations. This study assessed the CROPWAT model's shortcomings and assessed how well it estimates the water requirements of cotton crops. The study discovered that the CROPWAT model is effective in estimating the water requirements of cotton crops under diverse environmental conditions, making it a useful tool for irrigation strategy and water management in cotton-growing countries. But the model isn't perfect for every crop or place; it has its limitations. Our review paper also discovered that, particularly in areas with a dearth of meteorological data, the Aqua Crop model and the Hargreaves equation are helpful substitutes for calculating the evapotranspiration (ET) and water requirements of cotton crops. The potential research goal of this work is to provide insights into the strengths and limits of several methods for calculating ET and water requirements for cotton crops. The paper emphasizes the significance of precise ET calculation for efficient water management in cotton farming and offers recommendations for model selection based on data availability and the particular requirements of various crops and cropping systems. The work has the potential to have an impact on the scientific community by adding to the body of knowledge, stimulating new research, and giving practical solutions for addressing water management and agricultural sustainability concerns. Researchers, farmers, and managers of water resources can benefit from the study's findings in order to increase water usage efficiency and support sustainable cotton production.