Crop water requirements (CWR) are defined as the depth of water [mm] needed to meet the water consumed through evapotranspiration (ETc) by a disease-free crop, growing in large fields under non-restricting soil conditions including soil water and fertility, and achieving full production potential under the given growing environment. Switching to less water intensive crops, changing planting dates, optimised irrigation schedules. Managing crop water demand is the practice of balancing the amount of water needed to support healthy crop growth with the available supply of water. This involves assessing the current and future water needs of the crops, making adjustments to the amount of water applied, and monitoring the results of water changes over time. It is an important aspect of sustainable agriculture, as it allows for efficient use of limited water resources, as well as ensuring that crops receive the proper amount of nutrients and hydration needed for growth.
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