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Qualification -CERTIFICATE IN HYDROPONICS VHT103

Course CodeVHT103
Fee CodeCT
Duration (approx)600 hours
QualificationCertificate
Work in Hydroponics
or Start a Hydroponic Business
  • Learn to grow plants commercially in hydroponics
  • Learn about the equipment and materials used in both amateur and professional hydroponics
  • Discover the nature and scope of this industry and the career and business opportunities it offers.
  • Develop networking, resources, business and technical skills, building a foundation for success in the hydroponic industry.

General Objectives:

1.       To provide a sound basis of knowledge in horticultural principles as they apply to the culture, use and management of plants in various production situations.

2.       To provide new and existing employees who are unable to undertake on campus training with the opportunity to gain appropriate knowledge in the field of plant culture, use and management.

3.       To prepare employees for supervisory and managerial positions in the field of plant culture, use and management.

4.       To provide horticultural business owner/operators (or those contemplating ownership) with appropriate training to apply technical skills to the management of the physical, financial and human resources in which they have made, or will make, a substantial investment.

5.       To provide an understanding of modern technology and its application to growing plants, with emphasis being placed on hydroponics production of commercially valuable plants.


Lesson Structure

There are 30 lessons in this course:

  1. Introduction to Hydroponic Technology
  2. Plant Growth Requirements – Light , artificial light, light balancers
  3. Plant Growth Requirements ‑ Nutrition‑ nutrient requirements, deficiencies, toxicities, pH, conductivity, salinity, growth regulators
  4. Plant Growth Requirements ‑ Temperature
  5. Hydroponic Growing Systems ‑ basic concepts and designs, site considerations.
  6. Growing Media ‑ types, properties, uses.
  7. Hydroponic Nutrient Solutions ‑ nutrient formulae, preparing solutions.
  8. Hydroponic Equipment ‑ componentry, nutrient delivery, pumping, testing
  9. Growing Structures ‑ Design and Construction ‑ types
  10. Environmental Control A ‑ Heating, Cooling
  11. Environmental Control B ‑ Lighting, Shading.
  12. Environmental Control C ‑ Carbon Dioxide Enrichment
  13. Plant Culture In Hydroponics A ‑ trellising, pruning, pollination, transplanting.
  14. Plant Culture In Hydroponics B
  15. Aggregate Culture
  16. Nutrient Film Technique (NFT) Culture
  17. Rockwool Culture
  18. Other Techniques ‑ wick systems, flood & drain, bag culture, aeroponics, etc.
  19. Irrigation ‑ Soil Requirements
  20. Irrigation Systems
  21. Plant Propagation ‑ seed & cutting propagation & tissue culture
  22. Market Gardening ‑ Cut Flowers
  23. Market Gardening ‑ Vegetables
  24. Other Plants In Hydroponics ‑ herbs, grasses, indoor plants
  25. Pest and Diseases - Identifying the problem, pests and diseases in hydroponics
  26. Weeds ‑ identification and control
  27. Managing A Commercial Hydroponics Farm ‑ crop scheduling & selection standards
  28. Management ‑ Organisation and Supervision
  29. Marketing ‑ Promotion and Selling
  30. Special Project -Prepare a detailed report of at least 2,000 words, plus photos or diagrams, on a particular aspect of technology which you have studied that significantly assists growing.

Each lesson culminates in an assignment which is submitted to the school, marked by the school's tutors and returned to you with any relevant suggestions, comments, and if necessary, extra reading.

Aims

  • Discuss the range and scope of hydroponics
  • Explain the role of light in plant growth and ways to provide it
  • Identify the nutritional requirements of plants and how these can be met hydroponically
  • Discuss the effects of temperature and plan growing strategies for different temperature conditions
  • Design and conduct a trial to evaluate the commercial prospect of growing a chosen hydroponic crop
  • Identify different hydroponics systems and evaluate their qualities
  • Investigate the varieties and properties of different growing media
  • Identify nutrient requirements for different situations and describe solutions that will provide them
  • Describe and explain the used of the equipment used in main hydroponics systems
  • Compare and select growing structures for different growing situations
  • Explain the role of heat and light control and methods of achieving them
  • Determine different hydroponics practices, including careful planning of crop production
  • Explain benefits and manipulation of carbon dioxide to promote plant growth
  • Describe methods of aggregate culture
  • Describe the uses and applications of NFT
  • Understand the uses of rockwool in hydroponics
  • Explain the properties of soil and their behaviour when irrigated
  • Describe other techniques of hydroponic growing, including aeroponics
  • Explain various methods of propagating plants
  • Identify and describe the components and design of various irrigation systems.
  • Describe the range of commercial plants produced hydroponically
  • Identify potential pests and diseases, and describe method to control them
  • Describe methods of hydroponically producing cut flowers for the cut flower market
  • Describe methods of hydroponically producing vegetables for the market
  • Discuss a range of cultural practices for hydroponics
  • Outline key strategies for managing a business and effective supervision
  • Identify marketing and market research strategies relevant to your business
  • Use your knowledge of hydroponics and business to carry out

HOW TO BE SUCCESSFUL

Hydroponics can offer wide ranging opportunities for business and career. This is an intensive and high tech way of growing flowers, fruit, vegetables and other crops. It does not require as much land as more traditional crop production; and it offers the possibility of producing crops for an extended period; perhaps even all year round. It does require a higher investment in equipment, and a greater level of technical knowledge than other forms of horticulture.
 
If you want to be involved in hydroponics, you either need to have the technical knowledge yourself, or be prepared to employ people and pay premium wages to people who have that knowledge.
 
Hydroponic enterprises include:
  • Farms -that grow produce for market
  • Hydroponic Shops -that provide materials, equipment, and sometimes services, to amateur growers (hobbyists) and commercial growers.
  • Manufacturers -who develop and manufacture everything from hydroponic kits to nutrients
  • Consultants and contractors -who support farms or anyone else with establishing and running hydroponic operations
 
The 20/80 Rule

"80% of the knowledge required by a commercial hydroponic grower is general horticulture; 20% is hydroponics".

Hydroponic ventures will often fail because this rule is not recognised. People often come to hydroponics with a fascination for the technology; learning all about the technology ....but without the horticultural knowledge and skills; the technology alone will not be sufficient.
 
Succ
 
 
Considering Aquaponics?
 
Aquaponics provides another dimension to hydroponics; allowing you to grow plants and then utilise the waste products from the plants to grow fish. The waste from thew fish can then be recycled to help grow more plants.

In effect aquaponics integrates hydroponics with aquaculture:

  • In hydroponics you don’t use soil to grow plants - instead materials like gravel  or gro-wool are used to anchor plants into specifically designed, channel-like beds, (usually raised at a convenient height); water (with dissolved nutrients added) constantly moves through the beds.
  • In aquaculture fish is farmed under controlled or partly controlled conditions.
    In an aquaponics system the nutrient-rich waste from fish tanks is used to provide plant food to vegetables and herbs grown in hydroponic beds. Chemicals (including nutrients) naturally increase in any water in which fish or other aquatic animals live. Some of these chemicals are the result of excrement from the animals, and others may result from decomposition of dead animal tissue or left over food (such as ammonia). As a result of its nutrient composition, water that is used for aquaculture is a useful source of nutrition for growing plants.
Aquaponics is Environmentally Friendly
 
Apart from growing your own food and fish, aquaponics can also help the environment - it conserves water (because we are recycling it and only topping up as the levels fall). This uses a lot less water than irrigation. We are not using chemicals that can harm the environment and soil life, because we are using fish waste instead. Plants grow faster too and are not as susceptible to disease as soil grown plants.

Aquaponics may well be the way we feed the world in the future!

Aquaponic systems can vary greatly in size. They can be as small as an indoor fish tank or a large scale commercial aquaponics system. The type and size of aquaponics system you choose will affect the components and features that you will need to run it.

There are several types of systems that are used in commercial aquaponics but the most common system for a backyard is the Closed Reciprocating System which also sometimes referred to as flood and drain cycles. Water flows through the gravel beds at intermittent times (controlled by a timer) to provide a more aerobic environment for the plants (providing greater access to oxygen) and prevent the chance of root waterlogging and rot.

A typical Closed Reciprocating System has the following components:

  • Tank (ponds or tanks) for growing fish, crayfish or other species.
  • Hydroponic system for growing vegetables, fruits or other plants.
  • Collection tank or sump –lowest point in a system that collects runoff from the hydroponics before pumping back into the aquaculture growing tank or pond.
  • Filtration systems for removing unwanted components in water.
    This may include various mechanisms such as:
    • a biofilter to remove things like dead animal tissues, uneaten fish food etc.
    • settling tank or compartment where solids can be extracted from the water.
    • biofilter to convert toxic ammonia in water to useable nitrates.

What Media Is Best for Your Grow Beds?
 
There are several options but the main thing to remember is that the particle size of your media should be 8 -16mm no bigger or smaller. Smaller media doesn’t allow enough oxygen around the plant roots. Larger media is very difficult to plant your plants into. The most commonly used media is scoria – it is cheap, readily available and does not affect the pH of the water.  Crushed local rock is another option but make sure that you avoid limestone or those known to be high in minerals as this will affect the pH and the possibility of nutrients locking up as a result. Expanded clay is a light, effective media but it is also quite expensive.

Hint: Once you have your system in place run it for a few days before introducing fish – that way you can check for leaks, test to make sure the water is right for your fish or make any changes if they are needed before you start introducing fish or plants.

In order for ammonia wastes from fish (not useful to plants in this form) to convert into nitrates (that can be used by plants as nutrients) you need beneficial bacteria in the water of your aquaponics system. This is called Nutrient Cycling. If you have access to an aquarium filter (used) or some fish-pond or aquarium water then put a bucket of this into your tank to get the system started. Another way to get bacteria started is to throw some fish feed into the tank and let it sit for a few days before introducing the fish – bacteria will start to feed on the ammonia it produces and to multiply in the system.  Bacteria will establish of their own accord of course, but it takes a bit longer.

What Else Do You Need To Consider?

  • You need at least 6 hours of sunshine for your plants to grow well
  • Fish do not need sunlight – sunlight on tanks encourages algae (locating your growing beds over the fish tanks can help eliminate this) or grow floating plants on your fish tank.
  • You will need access to power for your water and air pumps
  • You will need easy access to harvest your plants – don’t make beds too wide or make sure you have access from all sides.
  • You will need easy access to tend to your fish and to harvest them.
  • Make sure that your tanks are not contaminated with leaf drop from nearby trees – it makes it harder to keep them clean.
  • Make sure that your children or pets cannot fall into the fish tanks.
    Hint: Solar water heaters are a very effective and cheap way to heat the fish tanks.


How Many Fish Do I Need?
Like the amount of plants you can harvest, the amount of fish you need, also depends on quite a number of factors including how often they are fed, the water flow, the oxygen levels, the pumping rates and also the number of plants you want to grow. You can grow quite an amazing array of plant produce with relatively few fish. For example: for every 250 litres of (25cm deep) bed media you use - you need about 10 fish. And in a 500litre tank you can very easily grow about 10 fish - in this system you can expect to harvest good sized table fish. Remember: if you want more grow beds then you need more tanks and more fish.

OPPORTUNITIES
This course will build a very broad knowledge, awareness and understanding of hydroponics. As a graduate, you will be well placed to understand and see opportunities in a much better way than you could before commencing the course.
This is an industry with huge potential. It is difficult for anyone to predict what your best opportunities might be, upon finishing your studies.  The one thing that is certain is that they will be greater than before you started.
 
Often our students find employment, or commence their own business while still studying the course. Such is the dynamic nature of the hydroponic industry. Others may apply what they learn to start a hydroponic supply or service business; and others may establish their own farm. Because hydroponics is such an intensive way of growing; it can be viable to start farming in a backyard or on a very small property. We have heard of viable farms on as little as a quarter acre of land. There are some hydroponic farms that grow in multi story buildings, and others that more than double their productivity on the same area of land, by farming fish alongside plants, through aquaponics.
 
 

Meet some of our academics

Adriana Fraser Adriana has worked in horticulture since the 1980's. She has lived what she preached; developing large gardens and always growing her own fruit, vegetables and herbs; and making her own preserves. In 1992 she formalised her training by graduating with a certificate in horticulture; and a few years later, completing an Advanced Diploma in Horticulture. Adriana has worked across a broad spectrum of the horticulture industry; and has developed a strong network of contacts in horticulture around Australia and beyond. She has written and contributed to many books and magazine articles; and at one stage managed the national collection of Thyme. She has a passion for plant knowledge and sustainability and an inert understanding of how people learn about horticulture. Adriana has been a tutor with ACS since the mid 90's and based on the feedback from past students has been an overwhelming success in helping people develop their skills and further careers in horticulture.
Bob James Bob has over 50 years of experience in horticulture across both production sectors (Crops and nursery) and amenity sectors of the industry. He holds a Diploma in Agriculture and Degree in Horticulture from the University of Queensland; as well as a Masters Degree in Environmental Science. He has worked a Grounds Manager at a major university; and a manager in a municipal parks department. Over recent years he has been helping younger horticulturists as a writer, teacher and consultant; and in that capacity, brings a diverse and unique set of experiences to benefit our students.
Dr. Lynette Morgan Lyn has a broad expertise in horticulture and crop production. Her first job was on a mushroom farm, and at university she undertook a major project studying tomatoes. She has studied nursery production and written books on hydroponic production of herbs. Lyn has worked on horticultural projects in countries from the middle east to the Americas and New Zealand to the Phillippines. Lyn has been a tutor with ACS since 2003 and has contributed to the development of a range of hydroponic courses.
John Mason Parks Manager, Nurseryman, Landscape Designer, Garden Writer and Consultant. Over 40 years experience; working in Victoria, Queensland and the UK. He is one of the most widely published garden writers in the world; author of more than 70 books and editor for 4 different gardening magazines. John has been recognised by his peers being made a fellow of the Institute of Horticulture in the UK, as well as by the Australian Institute of Horticulture.


Check out our eBooks

Growing & Knowing Flowering BulbsGet to know your flowering bulbs and the optimum growing conditions for each with the Growing and Knowing Flowering Bulbs ebook. With 187 pages of hints and tips on growing flowering bulbs, as well as stunning colour pictures, this is an essential tool for your gardening kit! This ebook is ideal for gardeners, students and professional horticulturalists and includes a colour glossary of flowering bulbs.
RosesThere are few things as uplifting as being greeted by the sweet fragrance of roses from your own garden. If you have always wanted to grow roses, or perhaps improve an established rose garden, make sure you are armed with the right knowledge! Learn from the masters in horticulture. This wonderfully colourful ebook will teach you everything you need to know about the passion of growing roses.
Commercial HydroponicsLearn how to grow vegetables, fruit, cut flowers, herbs and other plants hydroponically. This classic is now re-published with new images, a new layout and revised text. A must have resource for anyone who wants to grow hydroponically.
HerbsHerbs are fascinating plants, mystical and romantic. They have a rich history dating back centuries. Used by monks, apothecaries and ‘witches’ in the past, herbs are undergoing a revival in interest. They are easy to grow, scented, culinary and medicinal plants. In a formal herb garden or peppered throughout the garden, herbs rarely fail! Find out how they are used as medicines, for cooking, perfumes and more.