The document "Water Quality for Agriculture" by R.S. Ayers and D.W. Westcot provides a comprehensive guide for evaluating the suitability of water for irrigation. It covers various aspects of water quality, including salinity, water infiltration rate, toxicity, and miscellaneous issues. The authors emphasize the importance of understanding how water quality affects soil and crop performance and offer management alternatives to address potential problems. The guidelines are based on extensive research and field experiences, particularly in arid and semi-arid regions, with a focus on practical applications. The document includes tables, figures, and examples to illustrate the evaluation process and management strategies. It aims to help farm and project managers, consultants, and engineers make informed decisions about water quality and ensure maximum production per unit of available water.The document "Water Quality for Agriculture" by R.S. Ayers and D.W. Westcot provides a comprehensive guide for evaluating the suitability of water for irrigation. It covers various aspects of water quality, including salinity, water infiltration rate, toxicity, and miscellaneous issues. The authors emphasize the importance of understanding how water quality affects soil and crop performance and offer management alternatives to address potential problems. The guidelines are based on extensive research and field experiences, particularly in arid and semi-arid regions, with a focus on practical applications. The document includes tables, figures, and examples to illustrate the evaluation process and management strategies. It aims to help farm and project managers, consultants, and engineers make informed decisions about water quality and ensure maximum production per unit of available water.