Subject Details
Dept     : AGRI
Sem      : 6
Regul    : 2019
Faculty : Mrs.J.Hemalatha
phone  : NIL
E-mail  : hemalatha.j.agri@snsct.org
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Lecture Notes

UNIT 1:
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Rooting characteristics-soil water tension and soil water stress
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Soil water potential concept-total and gravitational potential
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Measurement of infiltration
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Movement of water in soils-hydraulic conductivity- determination
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Soil water potential concept-total and gravitational potential
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Soil water potential concept-total and gravitational potential
UNIT 2:
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Water Resources- River basins
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Crop water requirement - duty and delta
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Irrigation requirement - Irrigation frequency, Irrigation efficiencies
UNIT 3:
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Methods of Irrigation, Hydraulics and design
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Land grading - Land levelling methods
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Water control and diversion structure
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Methods of Irrigation, Hydraulics and design
UNIT 4:
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Depth of irrigation, frequency of irrigation
UNIT 5:
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Agricultural drainage - Drainage coefficient;
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Design of sub surface drainage system
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Irrigation and Drainage water quality - recycling of drainage water for irrigation – Fertigation
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Pipe materials - mole drains, drainage wells, Leaching requirements