Irrigation & Drainage Engineering 12 min read
Irrigation Scheduling
Irrigation Scheduling Concept Irrigation scheduling is essential for good water management and it deals with two classical questions related to…
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Crop Water Requirement
Crop Water Requirement It is defined as the total quantity of water required by a crop irrespective of its source…
Irrigation & Drainage Engineering 10 min read
Evapotranspiration
Evaporation and Transpiration Evapotranspiration is one of the major components of the hydrologic cycle and affects crop water demand. Therefore,…
Irrigation & Drainage Engineering 13 min read
Soil Water Constants
Soil Moisture Constants In the previous lecture (21) we have discussed the types of soil water and also measures of…
Irrigation & Drainage Engineering 10 min read
Soil Water Movement
Types of Water Movement Movement of water within the soil is a highly complex phenomenon dueto the variation in the…
Irrigation & Drainage Engineering 7 min read
Infiltration
Infiltration Process The process of entry of water into the soil is called infiltration, and the time rate at which…
Irrigation & Drainage Engineering 11 min read
Soil Water
Introduction Soil-water-plant relationship relates to the properties of soil and plant that affect the movement, retention and use of water.…
Irrigation & Drainage Engineering 8 min read
Equipment for Land Grading
Land levelling involves cutting, moving and filling earth material, where cut and fill areas separated by some distance. Land levelling…
Irrigation & Drainage Engineering 7 min read
Contour Bench Levelling and Earthwork Quantities Computation
In this lesson, purpose of construction of contour benches, its design and computation of earth work quantities are presented. Irrigation…
Irrigation & Drainage Engineering 10 min read
Land Leveling Methods
A precise land leveling improves irrigation and energy efficiency. This also reduces labor requirement for water application. A properly leveled…
Irrigation & Drainage Engineering 12 min read
Land Grading Survey and Design
Land grading is the operation carried out to reshape the land by cutting, filling and smoothing to a designed continuous…
Irrigation & Drainage Engineering 8 min read
Design and Operation of Underground Pipeline System
Design of Underground Pipeline Systems The design of underground pipe line system requires information on land topography, location of water…