Semester IV
Water Management
AGR 222 · 2 (1+1) credit hours
Syllabus
Topic-wise syllabus
Theory
11 topics · 16 lectures
| No. | Topic | Lectures |
|---|---|---|
| Unit I | ||
| 1 | Irrigation: definition and objectives | 1 |
| 2 | Importance: Function of water for plant growth, water resources and irrigation development for different crops in India | 1 |
| 3 | Soil plant water relationships; Available and unavailable soil moisture, distribution of soil moisture, water budgeting, rooting characteristics, moisture extraction pattern, effect of moisture stress on crop growth | 2 |
| 4 | Methods of soil moisture estimation, evapotranspiration and crop water requirement; effective rainfall, different approaches of scheduling of irrigation | 2 |
| Unit II | ||
| 5 | Methods of irrigation: surface and sub-surface | 1 |
| 6 | Pressurized methods, viz., sprinkler and drip irrigation, their suitability, merits and limitations, fertigation, economic use of irrigation water | 2 |
| 7 | Layout of different irrigation systems, Irrigation efficiency and water use efficiency, conjunctive use of water, irrigation water quality and its management | 1 |
| 8 | Water management of different crops (rice, wheat, maize, groundnut, sugarcane, mango, banana and tomato) | 2 |
| Unit III | ||
| 9 | Quality of irrigation water, irrigation management practices for different soils and crops, drip, sprinkler | 1 |
| 10 | Layout of underground pipeline system, Irrigation automation | 2 |
| 11 | Artificial Intelligence and climate-based irrigation practices and its management | 1 |
Practical
12 topics
| No. | Topic |
|---|---|
| 1 | Determination of bulk density by field method |
| 2 | Determination of soil moisture content by gravimetric method, tensiometer, electrical resistance block and neutron moisture meter; Determination of field capacity by field method |
| 3 | Determination of soil moisture content by neutron moisture meter; Determination of field capacity by field method |
| 4 | Determination of permanent wilting point; Measurement of irrigation water by using water measuring devices viz., flumes, weirs, notches, orifices |
| 5 | Calculation of irrigation water requirement (Problems) |
| 6 | Determination of infiltration rate; Demonstration of furrow method of irrigation |
| 7 | Demonstration of check basin and basin method of irrigation |
| 8 | Visit to farmers' field and cost estimation of drip irrigation system |
| 9 | Demonstration of filter cleaning, fertigation, injection and flushing of laterals; layout for different methods of irrigation |
| 10 | Erection and operation of sprinkler irrigation system |
| 11 | Measurement of emitter discharge rate, wetted diameter and calculation of emitter discharge variability |
| 12 | Visit to irrigation research centre/ station and visit to command area |
Syllabus PDF
Study material
Notes
Hindi
Being added
English
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