Benefits of case study

· Pros and Cons

Advantages
1. No soil required
2. No crop rotation
3. Growing process controlled- higher yield, better quality
4. Water are recycled, thus is conserved
5. Better control of pest and diseases

Disadvantages
1. Installation cost is high
2. Cost of substrate replacing is high
3. Pest and diseases spread fast in the system

(Adapted from http://www.ohfarms.com.sg/)

· Hydroponic culture needs about 1/20th the water, can produce up to six times the yield in less than 1/3 the space, and does not require soil for cultivation.
(Extracted from www.carbon.org/StWerburg.htm)

· the results of hydroponics grown are shown below:

Yields ( g/ m2)