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Precision Water Management

  • Latief Ahmad
  • Syed Sheraz Mahdi
Chapter

Abstract

In this chapter differed methods of precision water management in context of agriculture have been described. Agricultural cropping systems depend on the use of water resources for survival, and water needs vary spatially in fields because of spatial soil variability (texture, topography, water holding capacity and infiltration, and drainage rate). Therefore, the need for irrigation may differ between different zones of a particular field. While moving irrigation systems apply water at constant rates, some areas of the field may receive too much water and others not enough. Precision water management (PWM) is related to the judicious use of water so as to achieve sustainable management of water. It refers to the precise application of quality water at the right time, right place, and right stage of crop growth but uniformly across the selected area. Various strategies have been put forward to achieve the same with the help of many technologies and tools. Also, many computer-aided tools have been already developed with the aim to improve water management of irrigation projects. Water is one of the inputs critical to crop growth and yield. Excess and deficit water conditions both can cause stress to the crop. Hence it becomes very necessary to provide with the optimum amount of water to the crop so as to accelerate its yield potential. Quality of the water is another important parameter for the smooth functioning of the crop. Hence, precision water management is defined by both good water quality and adequate amount of water.

Keywords

Variable rate irrigation Soil-landscape water management Drainage 

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Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Latief Ahmad
    • 1
  • Syed Sheraz Mahdi
    • 1
  1. 1.Division of AgronomySher-e-Kashmir University of Agricultural Sciences and Technology of KashmirSrinagarIndia

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