New ideas for school hydroponics from Epcot visit

Jonathon Scott (left) and Clive Baker at the
hydroponics conference at the Epcot Centre

The teacher and student from the Brac High School get
new ideas for their Agriculture Club

The Epcot exhibit demonstrates the potential of
hydroponics
Friday, February 3, 2006
The innovative Agriculture Club at the Cayman Brac High School (CBHS), which has its own hydroponics systems of growing produce, received an injection of new ideas last November after a contingent from the school attended a two-day conference at the Epcot Centre in Florida.
A permanent exhibit at Epcot demonstrates this space-saving agricultural approach that allows crops to be grown in areas where they can’t be grown by traditional methods, and explores three different methods of hydroponic gardening.
The first uses plastic bags filled with rock wool, a material similar to perlite, which holds the roots of the plants steady while they grow.
In the second method, small seedlings are placed in a Styrofoam “raft” that floats on the surface of a tank of nutrient-enriched water. The third technique is called “aeroponics” because airborne plants receive a spray of nutrient-laden water every few minutes.
In addition to visiting the exhibition, CBHS Head of Science Clive Baker and fifteen-year-old student Jonathon Scott, an enthusiastic member of the school club, attended a series of lectures on methods of hydroponics.
“All the lectures were relevant and valuable. For example, there was one on the use of rock wool, which is basically very similar to insulation in roof blocks, as a growth medium,” said Mr Baker.
Another alternative they learned of is coconut coir matting, which is the fibre-like material from the coconut tree trunks. However, Mr Baker thought that the most interesting talk was given by Dr Howard Resh, a pioneer in hydroponic work.
Dr Resh is now in semi retirement in Anguilla, where he has set up a hydroponics farm that produces all the fresh produce for a high end hotel owned by the Quisinard Company.
The produce is grown within the hotel complex and has become part of its attraction, said Mr Baker, who pointed out that this venture in Anguilla is directly applicable to the Cayman Islands.
“There is real potential to develop expertise to provide high quality fresh produce for our high end hotels,” he thought.
Dr Resh, who talked to the Cayman Brac visitors at some length, uses all the main methods of hydroponic production: the raft method for growing lettuce and other leaf crops, drip irrigation and vertical stacking, which drastically reduces required space.
This is all done in a hurricane resistant greenhouse and, having the entire production in an enclosed environment enables Dr Resh to control pests and the micro-climate.
“We are hostages to fortune here,” said Mr Baker.
“We can’t even approach feeding the population with what is produced on these Islands. With the dependency on the US for supplies, all it takes is for a hurricane in Florida and we’re in trouble.”
The Cayman Islands need to have some cushion against disasters happening in the States, and Mr Baker believes that hydroponics is one answer.
“It’s also a quality issue. We are not able to produce, hydroponically or otherwise, fresh vegetables that can compete with the prices from the US, where agriculture is heavily subsidized.
“The basis for production has got to be quality. We can’t produce cheaper, so it’s got to be better. By using hydroponics, we can grow crops that taste infinitely better that those picked green and ripened on the way,” he observed.
“There is purchasing power in the Cayman Islands. People will pay more if they think the quality is better,” he noted, using fresh herbs as an example of produce that is very easy to grow and in demand by chefs at restaurants and hotels.
“This is a sustainable approach to agriculture. In times of economic hardship, we have a backbone of industrious people who can turn their hand to anything. It’s important to take that mindset into modern society. Hydroponics can be a backyard industry,” he added.
“The Department of Agriculture (DoA) has been very supportive of every new venture of the Agriculture Club. Their efforts after Hurricane Ivan was phenomenal,” said Mr Baker.
The DoA also supports the club in raising awareness of the possibilities. The experts on their staff, notably Alexander Benn with regards to hydroponics, are always available to answer questions and offer practical advice, he said.
“They will also visit prospective growers and discuss plans. If anyone is interested we welcome any enquiries and will show anyone our project – to show that Hi-Tech doesn’t mean Hi- Cost,” he noted.
All their materials are purchased at the local stores, apart from the fertilizers, which are purchased through the DoA, he noted.
As well as methods of growing plants, the club has also incorporated solar power to run the pumps, which brings down the ongoing costs. After the investment of small solar panels, the power is effectively free.
While they were in Florida, Mr Baker and Jonathon visited a strawberry producer in a small town called Bradenton, who was growing 5 acres of strawberries in one acre using the stacking method.
This has inspired them to try growing fresh strawberries themselves at the CBHS. The grower was using a lot of sustainable technology to the whole approach in order to keep the costs down, and doing so in a climate similar to our own, Mr Baker pointed out.
“It was fascinating. It really held a mirror up to the potential for agriculture entrepreneurship here. We came away with lots of ideas, which we have shared with the PTA and students,” he enthused.
Mr Baker said they learned of lots of different methods of hydroponics such as the simple and effective raft system.
“We are now avidly awaiting the rock wool and perlite and vermiculite to begin our experiments,” he added.
In the near future, Mr Baker intends to hold a workshop for members of the public on Cayman Brac on how to build and run a small backyard hydroponics system.
Every year, the science department of the school hopes that some of the students take what they have learned at the club and develop a hydroponics system at home.
Jonathon told Net News that he intends to do so, and another student, Rusty Walton, and his family have enthusiastically adopted both the hydroponics and aquaculture to develop both systems commercially.
“We are planting the seeds of knowledge,” said Mr Baker.





