Lecture Notes
Dear Students the Lecture Notes has been uploaded for the following topics:Water Resources- River basins, Development and Utilization in India and Tamil Nadu, Irrigation- Moisture use of crop, Evapo transpiration - ET – plot, Crop water requirement - duty and delta -Effective rainfall, Scheduling - Irrigation requirement - Irrigation frequency, Irrigation efficiencies, Methods of Irrigation, Hydraulics and design - Erodible and non-erodible, alluvial channels, Materials for lining water courses and field channel, Water control and diversion structure, Underground pipeline irrigation system, Land grading - Land levelling methods., Irrigation structures, channel lining, Land grading, different design methods and estimation of earth work and cost, Soil water plant relationship, soil water movement, Infiltration and its equations, soil moisture constants, Depth of irrigation, frequency of irrigation, irrigation efficiencies, Surface irrigation methods of water application, border, check basin, furrow and contour irrigation., Agricultural drainage – Drainage coefficient; principles of flow through soils, Darcy’s law – infiltration theory, Surface drainage systems, Subsurface drainage - Design of subsurface drainage - Pipe materials, Mole drains, drainage wells, Leaching requirements - irrigation and drainage water quality, Recycling of drainage water for irrigation – Fertigation, Case studies on drainage in Assam and West Bengal, Visit to Dams & Irrigation Canal.
