AGRO-123

AGRO-123: FUNDAMENTALS OF AGRONOMY -II

Credits: 2(1+1)

THEORY:
Water Resources of India and Goa and Development Water Management – Role of water in plants. Irrigation scheduling criteria and methods.Quality of irrigation water.Crop water requirement.Water use efficiency, Soil – water–plant relationship.Classification of Soil Water, Soil Moisture Constants, Soil Moisture characteristic curve. Volume Mass Relationship, retention of soil water .Water absorption. Rooting characteristics of plants and moisture extraction patterns and SPAC.Water requirement of different Agronomic crops. Evaporation, Transpiration, Evapo-transpiration, Potential-evapotranspiration, effective raifall and consumptive use of water. Water Use efficiency, Irrigation Efficiencies. Water logging and Management of water logged soils. Crop water management techniques in problematic areas.

PRACTICALS:
Estimation of soil moisture. Determination of Bulk and Particle Density, Determination of Field Capacity. Determination of PWP. Study of Soil moisture Measuring Devices and its installation, Determination of Infiltration. Estimation of Gross water requirement, Net water requirement, Irrigation Interval, Available Soil Moisture, Scheduling of Irrigation . Methods of surface irrigation, Irrigation Layouts, Study of Drip and Subsurface irrigation Systems and their components, Installation of drip Irrigation system in field, Fertigation , Care and Maintenance of Drip system, Sprinkler, Rain gun, Installation of various measuring devices and Measurement of Irrigation water, Visit to Atomized Irrigation Unit, Visit to ill-drained fields. Study of Drainage systems.

Practicals (Experiments):
1) Estimation of soil moisture by different methods
2) Determination of Bulk and Particle Density.
3) Determination of Field Capacity by field method and by pressure plate membrane apparatus
4) Determination of PWP by sunflower method and by pressure plate membrane apparatus
5) Study of Soil moisture Measuring Devices and its installation.
6) Determination of Infiltration by Double Ring Infiltrometer.
7) Estimation of Gross water requirement, Net water requirement, Irrigation Interval, Available Soil Moisture.
8) Scheduling of Irrigation by different methods.
9) Methods of surface irrigation, Irrigation Layouts.
10) Study of Drip and Subsurface irrigation Systems and their components.
11) Installation of drip Irrigation system in field.
12) Study of Drip System, Fertigation , Care and Maintenance of Drip system.
13) Study of Pressurized irrigation system, Sprinkler, Rain gun.
14) Installation of various measuring devices and Measurement of Irrigation water.
15) Visit to Atomized Irrigation Units.
16) Visit to ill-drained fields and study of Drainage systems.