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Orchid Cultivation Using<br />

Baby Diaper Waste and Selected Food Waste<br />

LIM KAR LOKE<br />

Supervisor: Dr. Ma Nyuk Ling<br />

Co-supervisor: Dr. Rohani Shahrudin<br />

Bachelor of Applied Science<br />

(Biodiversity Conservation and Management)<br />

School of Marine and Environmental Science<br />

Food waste and diaper waste contribute solid waste in landfill. Many studies<br />

show that human urine can be used as plant fertilizer but lack of attention on<br />

the recycle of used diaper. This study was conducted to formulate orchid<br />

growing media by utilizing the used diaper and selected food waste: banana<br />

peels, coffee waste and eggshell. The nutrient composition in used diaper and<br />

food waste was determined by using ICP-OES method. Biochars that derived<br />

from oil palm waste, sugarcane and sawdust were tested to reduce the<br />

ammonium in diaper waste. Biochar derived from oil palm waste showed the<br />

best reduction of ammonium. Orchid media were formulated with the<br />

combination of used diaper, food waste and biochar. There were four<br />

treatments including commercial media as control, no dilution in diaper as T1,<br />

1:100 of dilution as T2 and 1:250 of dilution as T3. Survival of orchids were<br />

observed and recorded.<br />

1697 | UMT UNDERGRADUATE RESEARCH DAY 2018

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