Irrigation Engineering | (Part-3) | Real Marathon | G1 Batch | Civil Engg. by Gaurav Sir.

#irrigation #polytechnic #bteup #civilengineering #gtechpoly #g1batch #lastmomentbatch
Part-3
Introduction
1.1 Definition of irrigation
1.2 Necessity of irrigation, Role of Irrigation in country's economy. History of development of irrigation in India
Major, medium and minor irrigation projects of India.
Water Requirement of Crops
2.1 Principal crops in India and their water requirements
Crop seasons - Kharif and Rabi
CORRECTED AND APPROVED BY BOARD OF TECHNICAL EDUCATION,UP,LUCKNOW IN MEETING HELD
2.3 Soil water, soil crop and crop water relationships, Duty, Delta and Base
24 Gross commanded area (GCA), culturable commanded area (CCA), Intensity of Irrigation, Paleo, Kor, Crop Ratio, Crop period, Base period, Duty, Delta.
Period, their relationship
Relation between Duty-Delta and Base period.
Hydrological Cycle Catchment Area and Run-off
Rainfall definition rain-gauges automatic and non-automatic, methods of
estimating average rainfall, Advantages of keeping rainfall records. (Arithmatic system); catchment area, runoff, factors affecting runoff, hydrograph, basic concept of unit hydrograph.
Methods of Irrigation
4.2 Lift Irrigation Tubewell, submersible and well irrigation advantages and disadvantages
Flow irrigation - its advantages and limitations
Sprinkler irrigation conditions favourable and essential requirements for sprinkler irrigation, sprinkler system-classification and component parts Drip irrigation, suitability of drip irrigation, layout, component parts.
advantages
Canals Factors to be considered in Canal Alignment.
Classification of Canals and their functions, sketches of different canal cross-
Functions/Purpose of various components of Canal.
sections
Various types of canal lining - their related advantages and disadvantages, sketches of different lined canal X-sections
Breaches - Causes, Method to plug canal breaches and their control Maintenance of lined and unlined canals
Tubewell Irrigation
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