Abstract
This research was a potted experiment carried out in a special orchid house (arnet) at the Padang Galleria Padangsambian Kelod from September to November 2019, the aim was to determine the effect of plant media and the provision of liquid organic fertilizers on the growth of dendrobium orchids. The factorial CRD pattern was the design used in this study, which consists of two factors, first, the use of growing media of wood charcoal (K), fern stems (P), and a mixture of fern stems with wood charcoal (M) and, second, the provision of liquid organic fertilizer, namely, Dewa (D), DI Grow (I), and GDM (G). The results showed that the interaction between the use of planting media and the application of liquid organic fertilizer had no significant effect on all plant growth parameters such as plant height, number of leaves, and number of tillers. However, the plant medium as a single treatment had a significant effect on the number of orchid tillers, fern stems (P) as the plant medium gave the highest number of tillers, namely: 2.22 stems or 32.93% more than the growing media for wood charcoal (K) and a mixture of charcoal, wood and fern stems (M) with 1.67 tillers each
Highlights
Cultivating orchids is quite easy, as long as they are properly cared for, they can grow in various climates
The materials used in this study were orchid growing media in the form of wood charcoal with code K, fern stems with code P, mixture of wood charcoal and fern stems with M code, Dendrobium orchid seeds, liquid organic fertilizer, namely, Dewa fertilizer, which is a pure organic liquid fertilizer produced by environmentally friendly high technology contains minerals, amino acids, natural growth hormones, DIGROW organic fertilizer which made from fresh brown Ascophylum Nodosum seaweed through nano fermentation technology and GDM biofertilizer which is a biological organic fertilizers that contain organic waste, seaweed, animal oil, algae, and bacteria
Based on the results of this study, it can be concluded that the treatment of planting media and the application of liquid organic fertilizers in combination and their interactions have no significant effect on orchid growth
Summary
Cultivating orchids is quite easy, as long as they are properly cared for, they can grow in various climates. A small proportion of orchids grow on the ground and are in dire need of high humus. Seeing this characteristic, it does not require a large area to work on it, so it is possible to cultivate it in the yard in urban areas which is often referred to as urban farming (Guitart et al, 2012, Malhotra, 2013). Fertilizer given to the planting medium is usually in the form of liquid spray so that the nutrient supply is filled slowly. The growth of Dendrobium orchids is largely determined by the appropriate planting medium and condition (Naik et al, 2014). It can be used as a commodity for ecotourism, urban tourism and to increasing the income of farmers and communities
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