Orchids are plants of high economic value, suitable for urban agriculture. Currently
the area under production, business and orchids, Dendrobium orchids in particular the
increasingly expanding city, brought about the demand for raw materials as the substrate is increasingly
rising. In which charcoal is used potting quite popular due to the many advantages
is long decomposition and disease, creating ventilation for spreading root system ... But coal prices
still relatively high wood and the use of animals this is one of the indirect causes
contributed to the increase in deforestation condition causing environmental pollution.
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