Oh Chin Huat Hydroponics Farm is one example that uses high-technology methods to grow vegetables and sell them in our local markets and supermarkets.
Go to this site to learn more about hydroponics plants.
The following pictures were taken when I went there last year with a group of students.
(above) The sponge that holds the roots of the vegetables. 
(above) Vegetables on the large platform, ready to be packed and sold to local supermarkets like NTUC.
(above) There are rice plants grown in a special room to let us know how they look like.
(above) Rows of plants grown in the tents.
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