1. Irrigation is the artificial supply of water to crops through methods like surface, sprinkler, and drip irrigation. Surface irrigation involves distributing water over the soil surface by gravity in techniques like basin, border, and furrow irrigation.
2. Sprinkler irrigation applies water similar to rainfall through pipes and sprinklers. Drip irrigation drips water slowly from pipes and emitters directly to plant roots.
3. The suitable irrigation method depends on factors like soil type, crop type, technology, costs and previous experience. Surface irrigation is common on loamy and clay soils while sprinkler and drip are more suitable for sandy soils with low water storage.
This power point presentation will give a complete idea of types of irrigation, water requirement of crops, duty, delta, canal revenue etc. This presentation also contain the numerical for complete understanding the concepts.
the present ppt describes about irrigation methods following from the ancient periods to up to now. the present ppt also describes about sprinkler and drip irrigation methods. it gives an elaborate knowledge on irrigation methods.
This power point presentation will give a complete idea of types of irrigation, water requirement of crops, duty, delta, canal revenue etc. This presentation also contain the numerical for complete understanding the concepts.
the present ppt describes about irrigation methods following from the ancient periods to up to now. the present ppt also describes about sprinkler and drip irrigation methods. it gives an elaborate knowledge on irrigation methods.
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Irrigation Efficiency
Water conveyance Efficiency
It takes into account, conveyance or transit losses such as seepage through canal and evaporation through it.
η_c=W_f/W_r ×100
Where, Wf = water delivered to the field
Wr = water delivered from river or stream
Water Application Efficiency
It is the ratio of water stored in root zone to the water delivered to the field.
η_a=W_s/W_f ×100
Where, WS = water weight stored in root zone
WS = Wf – deep percolation – runoff
Wf = water delivered to the field
This efficiency is also called as farm efficiency and it depends on the irrigation technique that has been adopted.
Water use efficiency
It is the ratio of water used beneficially or consumptively to the water delivered to the field.
η_u=W_u/W_f ×100
Where, Wf = water delivered to the field
WU = consumptively used water
Water Storage Efficiency
This is the ratio of actual water stored in the root zone to the water needed to be stored to bring the moisture content upto field capacity.
Water Distribution efficiency
This evaluate the degree to which water is uniformly distributed to the root zone throughout the field area.
η_d=(1-y/d)×100
Where, d = average depth
y = Average numerical deviation in the depth of water stored from the average depth stored during irrigation
Question – the depths of penetration along the length of a border strip at points 30 m apart were proved. There observed values are 2 m, 1.9 m, 1.8 m, 1.6 m and 1.5 m. Compute the water distribution efficiency.
Solution –
Water distribution efficiency,
η_d=(1-y/d)×100
Where, d = average depth
d = (2+1.9+1.8+1.6+1.5)/5=1.76
And y = average numerical deviation
y = 1/5((2-1.76)+(1.9-1.76)+(1.8-1.76)+(1.76-1.6)+(1.76-1.5)=0.168
Therefore,
η_d=(1-0.168/1.76)×100
η_d=90.45%
Consumptive Use Efficiency
It is the ratio of water used consumptively to the net amount of water from the root zone.
Topics:
1, Introduction to Irrigation
2. Methods of Irrigation
3. Indian Agricultural Soils
4. Methods of Improving Soil Fertility & Crop Rotation
5. Soil-Water-Plant Relationship
6. Duty and Delta
7. Depth and Frequency of Irrigation
8. Irrigation Efficiency and Water Logging
Sprinkler Irrigation is a method of applying irrigation water which is similar to rainfall.
Water is distributed through a system of pipes usually by pumping at pressure above 2 kg/cm2.
It is then sprayed into the air and irrigated entire soil surface through spray heads so that it breaks up into small water drops which fall to the ground.
Pressurized irrigation through devices called sprinklers.
For More Visit - www.civilengineeringadda.com
Irrigation Efficiency
Water conveyance Efficiency
It takes into account, conveyance or transit losses such as seepage through canal and evaporation through it.
η_c=W_f/W_r ×100
Where, Wf = water delivered to the field
Wr = water delivered from river or stream
Water Application Efficiency
It is the ratio of water stored in root zone to the water delivered to the field.
η_a=W_s/W_f ×100
Where, WS = water weight stored in root zone
WS = Wf – deep percolation – runoff
Wf = water delivered to the field
This efficiency is also called as farm efficiency and it depends on the irrigation technique that has been adopted.
Water use efficiency
It is the ratio of water used beneficially or consumptively to the water delivered to the field.
η_u=W_u/W_f ×100
Where, Wf = water delivered to the field
WU = consumptively used water
Water Storage Efficiency
This is the ratio of actual water stored in the root zone to the water needed to be stored to bring the moisture content upto field capacity.
Water Distribution efficiency
This evaluate the degree to which water is uniformly distributed to the root zone throughout the field area.
η_d=(1-y/d)×100
Where, d = average depth
y = Average numerical deviation in the depth of water stored from the average depth stored during irrigation
Question – the depths of penetration along the length of a border strip at points 30 m apart were proved. There observed values are 2 m, 1.9 m, 1.8 m, 1.6 m and 1.5 m. Compute the water distribution efficiency.
Solution –
Water distribution efficiency,
η_d=(1-y/d)×100
Where, d = average depth
d = (2+1.9+1.8+1.6+1.5)/5=1.76
And y = average numerical deviation
y = 1/5((2-1.76)+(1.9-1.76)+(1.8-1.76)+(1.76-1.6)+(1.76-1.5)=0.168
Therefore,
η_d=(1-0.168/1.76)×100
η_d=90.45%
Consumptive Use Efficiency
It is the ratio of water used consumptively to the net amount of water from the root zone.
Topics:
1, Introduction to Irrigation
2. Methods of Irrigation
3. Indian Agricultural Soils
4. Methods of Improving Soil Fertility & Crop Rotation
5. Soil-Water-Plant Relationship
6. Duty and Delta
7. Depth and Frequency of Irrigation
8. Irrigation Efficiency and Water Logging
Sprinkler Irrigation is a method of applying irrigation water which is similar to rainfall.
Water is distributed through a system of pipes usually by pumping at pressure above 2 kg/cm2.
It is then sprayed into the air and irrigated entire soil surface through spray heads so that it breaks up into small water drops which fall to the ground.
Pressurized irrigation through devices called sprinklers.
Design of Bandhara / Weir Dam gates using plastic materials_Design Directions...India Water Portal
An introduction to design of KT weir dams in materials that are more durable and lasting, that can replace the traditional MS materials being currently used.
An Ethiopian Success Story: How Partnerships Save Lives SlidesRotary International
From trust building and assessing needs to establishing
partnerships with community groups and government,
volunteers from Ethiopia, Canada, and the United States
will share their success story. Learn how six districts in
three countries are working to reduce deaths and improve
the health of women and children in northern Ethiopia
through a global grant, a vocational training team, and the
construction of a health center.
Best Small Business Ideas in India to Start Business for 2017-18Ajjay Kumar Gupta
Best Small Business Ideas in India to Start Business for 2017-18: Plastic Cups, Cutlery, Paper Cups, Banana Leaf Plates, Facial Tissues, Wet Wipes, Toilet Paper Roll, Sanitary Napkins, Baby Diapers, Thermocol Products, PET Bottles
Now a days Disposable Products are widely required and used across the world. These are highly used for commercial and domestic purpose. Different kind of disposable products are available at industry leading prices such as paper cups, cup sleeves, cup clutches, plastic lids, ceramic cups/mugs, bio disposable products, medical disposables, disposable gloves, disposable take-away packaging, etc.
The fast moving life and modernization simultaneously lead to the necessity of disposables in one’s life. One cannot wash utensils all the time, neither can afford to arrange fine and good cutlery of glass or steel in a party for the guest.
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Types- selection of the suitable site for the diversion headwork components
of diversion headwork- Causes of failure of structure on pervious foundation- Khosla’s theory- Design of concrete sloping
glacis weir.
This file is generated to inform you about the use of water efficiently yo reduce the loss of water . Pakistan is facing serious water problem. so it is the need of time to use water efficiently. Farmer must be guided about irrigation method ..
irriggation is the main contibution of food to the humans and we need to know how difficult it is to raise a crop and its failures in respective seasons . A small help to farmers to know the techiques used in farming.
Flow irrigation and lift irrigation are two common methods used in agricultural practices to ensure the efficient distribution of water to crops. These techniques play a crucial role in maximizing agricultural productivity by delivering water to fields, promoting plant growth, and supporting overall crop development. This presentation provides an overview of flow irrigation and lift irrigation, highlighting their key characteristics, advantages, and applications.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Event Management System Vb Net Project Report.pdfKamal Acharya
In present era, the scopes of information technology growing with a very fast .We do not see any are untouched from this industry. The scope of information technology has become wider includes: Business and industry. Household Business, Communication, Education, Entertainment, Science, Medicine, Engineering, Distance Learning, Weather Forecasting. Carrier Searching and so on.
My project named “Event Management System” is software that store and maintained all events coordinated in college. It also helpful to print related reports. My project will help to record the events coordinated by faculties with their Name, Event subject, date & details in an efficient & effective ways.
In my system we have to make a system by which a user can record all events coordinated by a particular faculty. In our proposed system some more featured are added which differs it from the existing system such as security.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Democratizing Fuzzing at Scale by Abhishek Aryaabh.arya
Presented at NUS: Fuzzing and Software Security Summer School 2024
This keynote talks about the democratization of fuzzing at scale, highlighting the collaboration between open source communities, academia, and industry to advance the field of fuzzing. It delves into the history of fuzzing, the development of scalable fuzzing platforms, and the empowerment of community-driven research. The talk will further discuss recent advancements leveraging AI/ML and offer insights into the future evolution of the fuzzing landscape.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
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Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
3. Pranamesh Chakraborty
Definition
Irrigation may be defined as the process of supplying water by
artificial means to agricultural fields for crop production. If water
available to the plants from rainfall is not sufficient, it is
supplemented by irrigation water.
In order to achieve this objective, an irrigation system is required
to be developed that involves planning, design, construction,
operation and maintenance of various irrigation works:
• Source: River, Reservoirs
• Control structure: Barrages, Head Regulators
• Distribution system: Irrigation Canals
6. Pranamesh Chakraborty
Definition
Surface irrigation is defined as the group of
application techniques where water is applied
and distributed over the soil surface by gravity.
It is by far the most common form
of irrigation throughout the world
9. Pranamesh Chakraborty
Introduction
Basin irrigation is the most common form of surface
irrigation, particularly in regions with layouts of small fields.
If a field is level in all directions, is encompassed by a dyke
to prevent runoff, and provides an undirected flow of water
onto the field, it is herein called a basin.
A basin is typically square in shape but exists in all sorts of
irregular and rectangular configurations.
12. Pranamesh Chakraborty
Suitable Crops for Basin Irrigation
Paddy rice grows best when its roots are submerged in water
and so basin irrigation is the best method to use for this crop.
Not suited to crops which cannot stand in wet or
waterlogged conditions for periods longer than 24 hours (e.g.
potatoes, beet and carrots, etc.)
13. Pranamesh Chakraborty
Suitable Land Slopes for Basin Irrigation
The flatter the land surface, the easier it is to construct
basins.
On flat land only minor levelling may be required to
obtain level basins.
14. Pranamesh Chakraborty
Suitable Soil for Basin Irrigation
Loamy soils are preferred for basin irrigation so that
waterlogging (permanent saturation of the soil) can be
avoided (which can occur on clayey soils).
Coarse sands are not recommended for basin irrigation
as, due to the high infiltration rate, percolation losses
can be high.
16. Pranamesh Chakraborty
Direct Method of Water Application
Irrigation water is led directly from the field channel into the basin
through bundbreaks.
In the following figure
"Basin a" is irrigated first, then "Basin b" is irrigated and so on.
This method can be used for most crop types and is suitable for most
soils.
18. Pranamesh Chakraborty
In the following figure the water is supplied to the highest terrace
(a.1) and is allowed to flow through terrace a.2 until the lowest terrace
(a.3) is filled.
The intake of terrace a.1 is then closed and the irrigation water is
diverted to terrace b.1 until b.1, b.2 and b.3 are filled, and so on.
21. Pranamesh Chakraborty
Introduction (Contd.)
Above figure illustrates a typical border configuration in which a field is
divided into sloping borders.
Water is applied to individual borders from small hand-dug checks from the
field head ditch.
When the water is shut off, it recedes from the upper end to the lower end.
24. Pranamesh Chakraborty
Introduction
Furrow irrigation avoids flooding the entire field surface by
channeling the flow along the primary direction of the field
using ‘furrows,’ ‘creases,’ or ‘corrugations’.
Water infiltrates through the wetted perimeter and spreads
vertically and horizontally to refill the soil reservoir.
28. Pranamesh Chakraborty
Introduction
Sprinkler irrigation is a method of applying irrigation water
which is similar to natural rainfall.
Water is distributed through a system of pipes usually by
pumping. It is then sprayed into the air through sprinklers
so that it breaks up into small water drops which fall to the
ground.
33. Pranamesh Chakraborty
Introduction
Drip irrigation is sometimes called trickle irrigation and
involves dripping water onto the soil at very low rates (2-20
litres/hour) from a system of small diameter plastic pipes fitted
with outlets called emitters or drippers.
Water is applied close to plants so that only part of the soil in
which the roots grow is wetted, unlike surface and sprinkler
irrigation, which involves wetting the whole soil profile.
Suitable for high value row crops.
37. Pranamesh Chakraborty
The suitability of the various irrigation methods, i.e. surface,
sprinkler or drip irrigation, depends mainly on the following
factors:
natural conditions
type of crop
type of technology
previous experience with irrigation
required labour inputs
costs and benefits.
38. Pranamesh Chakraborty
Natural Conditions
Soil type:
Sandy soils have a low water storage capacity and a high infiltration
rate. They therefore need frequent but small irrigation applications.
Under these circumstances, sprinkler or drip irrigation are more
suitable than surface irrigation.
On loamy or clay soils all three irrigation methods can be used, but
surface irrigation is more commonly found.