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Irrigation (Agricultural) 100 Hours Certificate Course
Learn About Irrigation (Agricultural)
Irrigation course online. Understand the basics of irrigation. This course will teach you to design and manage simple irrigation systems for agricultural applications.
You will learn to understand the soil characteristics that affect irrigation needs (such as drainage and water holding capacity) and to estimate plant needs, plus about different irrigation systems, irrigation scheduling and equipment. Learn to understand and use this increasingly important aspect of agriculture.
Lesson Structure: Irrigation BAG213
There are 10 lessons:
1 Introduction to Irrigation
- Sources of water
- Soil & water
- How to improve water quality
2 Soil Characteristics & Problems
- Understanding soils
- Different soils are suited to different purposes
- Sodicity, pH and salinity
- Drainage, infiltration and uniformity
3 Estimating Plant Needs & Irrigation Scheduling
- When to irrigate
- Measuring water availability to plant
- Rooting depths of plants
- Irrigation calculations
- Estimating water requirements of plants
- Crop scheduling
- Water volumes and duration
- Waste water treatment using reed beds
- Suitable plants
- Dams/Water storage
- Improving soils
5 Types of Irrigation Systems
- Traveling Sprinklers
- Conventional Systems
- Sprinkler Heads
- Flood Irrigation Systems
- Water Volumes & Duration
6 Trickle Systems
- Trickle Irrigation
- Microjet Irrigation Provides Many of the Answers
- Maintaining your Trickle Irrigation
- Trickle Irrigation: Prevention Of Clogging
7 Design Specifications
8 Pumps & Filters
- Comparison of pump heads
- Pumps & Pressure Systems
9 Selecting the Right System For a Plant
- Flood irrigation
- Sprinkler irrigation
- Trickle irrigation
- Irrigation of vines
- Efficient orchard irrigation
10 Design & Operation of Systems.
- Cyclic watering
- Pulse watering
- Sprinkler spacing
- Electrical factors
- Electric automatic systems
Learning Goals: Irrigation BAG213
- Explain the significance of soil in irrigation.
- Explain how to determine when to irrigate in agricultural situations.
- Manage irrigation in agricultural situations.
- Explain the significance of different aspects of moving water including: drainage, pumps, filters, storage, recirculation, and re-use.
- Select an appropriate irrigation system for a given agricultural situation.
- Explain the principles of design for a simple irrigation system.
- Design a simple irrigation system.
- Oversee the installation of an irrigation system.
Practical (Set Tasks)
TYPES OF IRRIGATION SYSTEMS
CATEGORIES OF IRRIGATION SYSTEMS
Irrigation systems can be designed to supply water for a wide range of irrigation applications, and many different types of irrigation are used around the world. Generally speaking, irrigation can be categorized into broad two categories:
- Gravity surface flooding systems (flood irrigation)
- Hillside flooding
- Border check
- Furrow irrigation
- Pressurised systems
- Sprinkler Irrigation – Hand move, side-roll and end-tow, long lateral, permanent sprinklers, travelling irrigators, low-level sprinklers, and Centre pivot and linear move
- Drip irrigation
- Micro-irrigation – micro-jets and mini-sprinklers.
These systems can also be described on the basis of whether they are surface or sub-surface irrigation systems.
Sub-surface irrigation – usually takes the form of dripper lines placed under the soil surface within the root-zone of the plants being irrigated. This form of irrigation is used in cropping enterprises, orchards etc, but is also useful for applications in amenity horticulture where soil disturbance is minimal or avoidable (e.g. lawns and beds for perennial plants).
Surface irrigation – takes the form of flooding cropping areas or the sprinkler application of water to the surface of the land. Rice production is a notable example of an agriculture form that uses flood surface irrigation. While some applications of this form of irrigation can have additional benefits such as weed control, it requires high volumes of water.
Crops such as soybeans can be watered by flood irrigation, but most crops could show a yield
decline if water stays on the crop too long or if the soil stays in a waterlogged condition for several days.
FLOOD IRRIGATION SYSTEMS
This involves flooding water into areas where the distribution of the water can be controlled, usually by having formed the earth into shapes which restrict the direction and extent of flow. Flood irrigation is used extensively in many countries throughout the world, primarily because it is inexpensive to develop and to operate.
Surface flood irrigation has traditionally made inefficient use of water (suffering a lot of wastage through seepage, evaporation etc), but those losses were outweighed by savings on manpower and equipment.
Relatively new developments in flood irrigation techniques have however greatly improved the efficiency of this type of irrigation.
Better land forming, and more accurate grading using laser levelling equipment, new design concepts, recycling of drainage water, better ‘dethridge’ wheels etc. all contribute to more efficient flood irrigation. (NB: A dethridge wheel is a device which moves and measures water taken from irrigation channels).
Border Check System
This may be used in orchards, vineyards, or for pastures, lucerne, and fodder crops.
This system involves creating a series of side by side bays, usually rectangular, which are fed water from a channel running along the high side of the line of bays.
Progressively, one at a time, an opening is made in the channel wall at the top of each bay, allowing that bay to flood. Once flooded, the opening is closed, and the next bay can have an opening made. The bays and channels are formed by mounded earth walls. The gradient across the bays must be carefully engineered to allow proper distribution of water.
Also called “contour ditch irrigation”, this system is used in hilly country which is too steep to allow other forms of flood irrigation. This system can be used on land with slopes up to 1 in 10. A supply water channel runs along the top of a slope.
This channel is opened progressively, one point at a time, along its length, allowing water to spill down the slope. The slope may need earthworks to ensure an even surface gradient, hence an even distribution of the flooding water.
This is the most common flood system for orchards and vineyards, and is used in row cropping of cotton, corn, sunflowers and vegetables. Water is released from a supply channel on the high side of the area to be irrigated into furrows or channels. If vines or fruit trees are planted on mounds, a natural depression is made between the rows.
This can be ploughed to form the required furrows, or the depression as it exists may be used as a furrow. Irrigation water seeps into the bottom and sides of the furrow as it flows down the slope. The aim is to get a constant depth of wetness along the length of the furrow.
This is difficult to achieve in practice as lateral movement can be restricted by poorly structured soils, also excessive application of water can also occur at the head of the furrow in order to force an adequate amount of water towards the lower end of the furrow.
PRESSURISED IRRIGATION SYSTEMS
Drip irrigation is becoming increasingly common in many irrigation applications. It is particularly useful for the production of small-crops such as vegetables, and is also suitable for use in gardens and landscaping situations, as well as in nurseries.
Drip irrigation is conservative of water because water is applied to a localized area, directly on the soil surface. Some soils are less suitable for drip irrigation than other soils.
Drip irrigation systems are frequently based on pre-fabricated emitter piping and some planting schemes may make effective distribution to plants difficult.
Sprinkler irrigation is the most widespread form of irrigation in agricultural applications, from intensive vegetable production to broad-acre field crop production.
Sprinkler systems can effectively deliver water in many agricultural situations, although improper use can be wasteful of water and lead to additional problems such as erosion. Many types of sprinkler systems exist, suited to a range of water quality and pressure parameters. Examples of popular sprinkler irrigators are dealt with later in this lesson.
Sprinklers may have moving parts or non moving parts and they may be portable, permanent or semipermanent:
• Portable systems:…
Assessment is based on a combination of completing all assignments and sitting for a final short one and a half hour exam, in your own location.
If you don’t cope well with exams then you may elect to undertake a project instead. This is a popular option.
In addition, most modules have a Set Task at the end of each lesson placed before the assignment. This is an opportunity to undertake practical work to help you acquire knowledge and skills and practical experience. This ADL feature is an added bonus not found at most online schools. Set Tasks are not required for assessment.
Some courses also have optional Self-Tests which are available on our online learning platform. These are not available by correspondence or by USB, and do not form part of your overall grade.
How our courses work
- Choose Your Learning Method
You choose how you would like to receive your course material, i.e., Online, USB or Correspondence. The choice is yours. You may also work on online or offline.
- Tutor Allocation
Every student is assigned their own dedicated tutor who is an expert in their subject area. They provide as much or as little individual contact as you require. You can contact your tutor whenever you need – your hours are not limited.
- Feedback and Assignments
Tutor Feedback is an essential component in helping you understand the subject matter. Tutor feedback is given in the form of notes written on the assignment. We encourage you to contact your Tutor where help with clarification and understanding of course material may be required.
Your assignments are located at the end of each lesson. You submit them for marking whenever you are ready. There is no time limit.
- Set Tasks and Self-Tests
Most modules have a Set Task at the end of each lesson before for the assignment. This is where you get the opportunity to undertake practical work to help you acquire knowledge, skills and practical experience. Many modules also have short Self-Tests.
Once all assignments have been completed you may then elect to sit for a one and half hour exam in your own location. If you prefer not to take the exam you do have the option to undertake a project instead.
Once the exam or project part of the course is completed, your Certificate is then processed. Please allow approximately 4 weeks for this.
- Design Your Own Qualification
ADL offers students the flexibility to self-design their own qualification – bundling together a combination of 100-hour modules into a qualification higher than a certificate.
FREQUENTLY ASKED QUESTIONS
Here is a list of the most often asked FAQ’s.
Q. Why should I enrol with the Academy for Distance Learning?
A. Here at ADL, our students are our priority – we treat everyone as a unique individual.
Q. Do I need to buy text books?
A. No, as each module has been written by highly qualified industry professionals. The content of the material is presented in such a way that text books are not required. However, if you require additional reading your tutor will be able to supply a list.
Q. What happens if I have to stop studying for a while? (eg. become sick, go on holidays, have a baby, move house, etc)
A. It’s OK to take a break and start up your study at a later point in time. Just let us know.
Q. Is there an age limit?
A. There is no maximum age limit. We do however, have a minimum age limit of 18 years. Below that age parental consent would be required.
Q. Are your courses up-to date?
A. Our courses are revised and updated on a rotation system.
Q. Do you have a Cancellation policy?
A. Yes. We have a cancellation policy that is fair and equitable. For further details please click here.
Q. Will I have any opportunity to engage with other students?
A. We have a Student Community group based on facebook! If you don’t have a facebook account already, you could make one just for talking with fellow students on the group.
Q. When can I enrol/start?
A. You may enrol and start at any time of the year – it’s all self- paced.
Q. Can I study from anywhere in the world?
A. Our courses are available to anyone, anywhere in the world from the comfort of your own home. The course content is relevant to any country, culture or economy.
Q. How long do I have to complete the course?
A. You complete the course at any time that is convenient for you.
Q. Completing a 100 hour module – how long will it take?
A. For some students a 100 hour module will take approximately to 3- 6 months to complete. Others take less time and some even longer.
Q. Assessment – how does it work?
A. For each 100 hour module you are assessed by assignments (at the end of each lesson) and a final one and a half hour exam (or you may elect to complete a Project, instead of sitting the exam) – the choice is yours – you sit for the exam in your own location.
Q. I don’t cope well with exams – what can I do?
A. You may elect to undertake a Project (set by your tutor) instead of sitting the exam. Projects are completed from your home and can usually take a couple of weeks to complete.
Q. If my assignment is not up to standard is there an opportunity to resubmit my work?
A. Yes –
Q. How many assignments do I need to complete for each module?
A. At the end of each lesson, there is an assignment – so if a course has say, 10 lessons, there would be 10 assignments.
Q. I am having difficulty attending workshops/industry meetings, what can be done?
A. If your course requires attendance at workshops, conferences, or industry meetings; alternative arrangements can be made in your country.
Q. What qualification will I receive?
A. For individual modules, you would be awarded a Certificate endorsed by TQUK (Training Qualifications, UK), providing you complete all assignments and the exam. If you just want to complete only the assignments and not sit for the exam or finish a Project, then a Letter of Achievement would be awarded. For more details on qualifications available please click here.
Q. Can I customize my diploma/higher qualification?
A. Not all educational institution’s certificates /diplomas meet everyone’s needs. The opportunity to Design Your Own Diploma at the Academy (subject to our approval) is an added bonus, not found at other colleges. You choose modules that you think will help you in achieving your goal.
Q. What do I get when I complete the course? Will I receive a transcript?
A. At the completion of all courses and providing all assignments and exam requirements have been met, you will receive your Award and a Transcript.
Q. Our tutors – who are they?
A. We appoint Tutors and require that they must be currently active in their industry, with at least 5 years’ experience in their chosen profession.
Q. Can I contact my tutor at any time?
A. Yes – you have unlimited access to your tutor via email through our Online Classroom. You can always leave a message with ADL requesting your tutor to contact you. You decide on how much or how little contact you wish to have.
Q. Practical work – How is this done?
A. To find out more about this part of the course please visit the section on How Our Courses Work here.
What your tuition fees include
- All Course Material via Online, USB or Correspondence
- Assignments Marked
- Professional Tutor Feedback
- Set Tasks - Practical Exercises to help you develop skills
- Self-Tests – multiple choice questions at the end of lessons in most modules
- Unlimited Personal Tutor Support – via our student classroom
- Committed and Friendly Admin Support – vital to your success
- All ADL Exam or Project fees (exception RHS exams)
- Qualification Certificate
- Official Transcript with assignment grades
- Student Manual
- Academic Writing course (optional - 10 hours only)
- Critical Thinking course (optional - 10 hours only)
- Job Seekers Careers Guide
- Study Tips on How To Study Better
- Career Counselling by ADL Staff
- CV Writing Help, Tips and Advice
There are no hidden extras
FAQ - RHS Theory Qualifications
If you require further details about any of the RHS industry recognised qualifications please, call one of our friendly RHS Course Advisors on +44 (0)1227 789 649 or email: [email protected]
Q: When can I Enrol/Start My RHS Course With ADL?
A: Anytime, Anywhere. There are no enrolment deadlines.
Q: I live Overseas. Can I Study From Overseas?
A: You can study any of the RHS theory qualifications overseas. All courses are offered in English. You will need to email RHS Qualifications direct to arrange sitting for your examination overseas.
Q: Is There a Time Limit for Completing an RHS Qualification?
A: At present there are no time limits. However, RHS is contemplating in the future, the introduction of course time-lines.
Q: Are There Any Entry Requirements (Pre-Requisites)?
A: The RHS Theory courses do not require prerequisites, previous experience or any knowledge of horticulture. You just need passion for all things horticulture.
Q: What Course Should I Start With First? I Am New To RHS Qualifications.
A: We highly recommend that you start with Level 2 – Principles of Garden Planning, Establishment and Maintenance.
Q: What Does ADL Course Material Include?
A: Includes Power Point Presentations, Videos and written course lessons.
Q: When Do Exams Take Place?
A: Exams are held on fixed dates in February and June of each year. You should register as a candidate at least 3 months before these dates, so please do not leave exam registration to the last minute
Q: Where Do I Take My Exams?
A: UK: You take the exams at the RHS Wisley Centre, located between Cobham and Ripley in Surrey or at other authorised RHS centres around the UK.
Overseas: please email RHS qualifications direct for centre information.
Q: Exam Pass Marks?
A: Module – pass 50%. Commendation 70%.
Qualification: 50% pass for all modules.
Commendation awarded for all modules.
Each question carries a value of 10 marks.
Q: I’m Not Happy With My Exam Results?
A: You have the opportunity to re-sit your exam at the next opportunity.
There are no restrictions on the number of re-sits you can take. The highest mark you achieve will remain.,