Prediction of Electricity Usage with Back-propagation Neural Network

The use of electricity has become a need that is increasing day by day. So it is not surprising that the problem of using electricity has attracted the attention of many researchers to research it. Electricity users make various efforts and ways to save on the use of electrical energy. One of them is saving electricity usage by electricity users using electrical energy-efficient equipment. That is why the previous research confirms the need for interventions to reduce the use of electrical energy. Therefore, this study aims to predict electricity use and measure the performance of the anticipated results of electricity use. This study uses the back-propagation method in predicting the use of electricity. This study concluded that the backpropagation architectural model with better performance is the six hidden layer architecture, 0.4 learning rate, and the Root Means Square Error (RMSE) value of 0.203424. Meanwhile, the training data test results get the best architectural model on hidden layer 8 with a learning rate of 0.3 with an RMSE performance value of 0.035811. The prediction results show that the prediction of electricity consumption is close to the actual data of actual electricity consumption

Karakteristik Kimia Lahan Gambut Dangkal dan Potensinya untuk Pertanaman Cabai dan Tomat

Experiment was conducted on shallow peat with depth (50 - 75 cm) and C/D flooding type at Purwodadi village, Maliku District, Pulang Pisau Regency, Central Kalimantan in wet season 2003. Ten samples were taken from areal of 2 ha for studying characteristics of shallow peat. Nutrient absorption of crops and soil nutrient after harvesting were also analyzed. This experiment used split plot design with three replications. As a main plot was input application (M1) : manure (5.000 kg/ha), lime (2.000 kg/ha), urea (150 kg/ha), SP36 (312.5 kg/ha) and KCl (200 kg/ha) for tomato and SP36 (187.5 kg/ha) and KCl (125 kg/ha) for red pepper and without application (M0). Five varities of red pepper (Tombak 1, Tanjung 1, Tanjung 2, Prabu and Hot Chilli) and, five varities of tomato (Oval, Ratna, Mirah, Berlian and Permata) were as subplots. The results showed that soil chemical characteristics were : peat depth 50 - 75 cm, phyrite depth 75 - 100 cm, soil pH 3.5 - 4.0, C-organic content 12 - 24 %; range of nutrient availability : N (0.4 - 0.6 %), P (30 - 50 ppm P), K (0.1 - 0.3 me/100 g), Ca (1 - 6 me/100 g), Mg (0 - 1 me/100 g), Fe (20 - 120 ppm Fe) and Al (1 - 7 me/100 g). Availability of nutrients N, P, K, Ca, and Mg was low, and it could be increased by application of some inputs such as manure, lime, urea, SP36 and KCl. Low nutrient availability and crop absorption especially K, Ca, and Mg was a main factor that retarded crop growth. Red pepper and tomato yields ranged 0.59 - 4.02 and 4.77 - 10.99 t/ha for control treatments and 3.44 - 7.72 and 14.85 - 35.98 t/ha with input application

DETEKSI DAN IDENTIFIKASI JAMUR PATOGEN TERBAWA BENIH VARIETAS PADI LOKAL DI KABUPATEN KAPUAS: (Detection and Identification of seedborne pathogenic fungi in Local Rice Varieties in Kapuas Regency)

This study was aimed to detect and identify seed-borne pathogenic fungi in six local rice varieties of Siam Unus, Karangdukuh, Mayang, Gumpal Kuning, Gumpal Putih, and Siam Arjuna in Kapuas Regency. In addition, the objective of this study was also to determine the effect of seed pathogens on the physiological quality and the percentage of infected seeds. The research location was at the Agricultural Cultivation Laboratory, Faculty of Agriculture, University of Palangka Raya, and the study was carried out from September 2020 to February 2021. Seed health testing used the filter method (blotter test), isolation and identification of seed-borne pathogenic fungi using the agar method. The variables observed included macroscopic morphology of pathogens in petri dishes and microscopic evaluation using a compound microscope, seed germination, percentage of infected seeds, frequency of microorganism findings and pathogenicity tests on seed germination. Based on the results of the study, the identified pathogenic fungi carried by local varieties of rice seeds in Kapuas district were Aspergillus spp., A. flavus, A. niger, Curvularia sp. and Oidium sp., however these pathogens did not affect seed germination. The highest numbers of microorganisms observed on the agar method was Aspergillus spp. (37.5%), followed by Curvularia sp. (29%), whereas in the blotter test method the frequency of the fungus Curvularia sp. only 5.6%. The frequency of finding A. flavus and A. niger on the agar method was lower at 21.8%, while the fungus Oidium sp. was detected in very low percentage for only 0.9%. The pathogenic fungus Oidium sp. showed the highest level of pathogenicity in seeds reaching 21.7%, while the pathogenic A. niger, Curvularia sp. and A. flavus showed a lower infection rate, at 13.9% to 17.8% respectively. These pathogenic fungi might cause the seeds to not germinate normally such as leading to necrosis of the hypocotyl and plumules, stunted germination growth, and death of seed germination. Keywords: Detection, identification, seed-borne pathogens, local rice varieties, Kapua

Proposing an inclusive model of travellers' visit intention and time perspective revisit intention

The tourism industry is one of the most crucial contributors to the economy of Malaysia. The antecedent of travellers’ behaviour and the various reasons for their visit and revisit intention is one of the significant factors that would help marketers to attract more tourists and maintain the sustainability of the industry. There is a lack of a comprehensive model to discuss various aspects of tourist visit intention and time perspective revisit intention, which was also rarely explored in previous literature. The current research is a concept nature study that attempts to fill this gap by proposing a complete comprehensive model of visit intention to predict the underlying reasons affecting travellers’ intention to visit. Based on this review, the following main aspects were recognized to impact travellers’ intention to visit which includes the “information source”, “travel constraints”, “destination image”, “traveller motivation”, “traveller experience”, and “risk perception”. The current paper aims to contribute to the sustainable tourism literature by providing a wide-ranging insight on traveller’s visit and time perspective revisit intention and could act as a point of reference for future studies on sustainable tourism development in Asian countries

Protocorm Like Bodies (PLBs) dendrobium orchid “Gatton Sunray”

The Dendrobium Orchid Gatton Sunray is a hybrid orchid of Dendrobium pulchellum × Dendrobium illustre. A study was aimed to find the best type of medium and type of banana for the multiplication of Protocorm-Like Bodies (PLBs) of this orchid. This research was conducted from February to September 2020 at the Plant Tissue Culture Laboratory, Faculty of Agriculture, The University of Bengkulu. Treatments included type of media and cultivar of ripe banana fruit, added as source of organic complex, consisted of 4 cultivars, namely Ambon Curup, Kepok, Tanduk and Mas. Ripe bananas were mashed and added to the in vitro medium as much as 50 g.L-1. Types of media consist of Murashige and Skoog (MS), ½ Doses of Murashige and Skoog (MS) media, and Complex of fertilizer media. The results showed that the ½ MS medium added with 50 g.L-1 cv. Kepok fruit produced the greatest multiplication (11.8 PLBs per jar), the best growth of PLBs, including the greatest PLBs number (28.5 PLBs per jar), the heaviest fresh weight (1.30 g per jar) and the longest PLBs (2.56 cm)

Spot survei entomologi di Desa Binawara, Kabupaten Tanah Bumbu pasca pemberian obat pencegahan massal filariasis

Filariasis in South Kalimantan is still a problem, especially in rural areas, this is possible because there are still many potential places for vector breeding such as rice fields, forests and swamps. In Tanah Bumbu District, filariasis cases were reported as many as 38 cases where as many as 35 cases were found in Batulicin and Kusan Hilir Sub-districts, while as many as 3 recent cases in 2015 in Angsana District. The purpose of this study was to determine various types of mosquitoes, density, age, and habitat characteristics of potential mosquitoes as filariasis vectors in Binawara Village, Tanah Bumbu District. The study was carried out with descriptive observasional design and cross sectional approach in May 2018. Entomological surveys conducted included habitat surveys, mosquito capture by human bait, and surgery. The results showed the dominance of the habitat found was swamp. There were 12 species of mosquitoes caught i. e.  Ma. uniformis, Ma. dives, Ma. bone, An. barbirostris, An. maculatus, Ae. linnetaopenis, Ae. albopictus, Ae. aegypti, Cx. sitiens,, Cx. crasipes, Cx. quinquefasciatus, and Cq. crassipes. The density of mosquitoes sucks the highest blood, Ma. dives, with a value of 4 mosquitoes / person / hour (MHD) and 3 mosquitoes / person / night (MBR). The results of surgery are high parity  for Ma.dives, Ma.uniformis and Cx. quinquefasciatus shows that the mosquito has undergone a gonothrophic cycle with a relative age of mosquitoes that have the opportunity to be filariasis vectors. Longevity of mosquito age that should be suspected as filariasis vectors are 42.43 days for Ma.uniformis and 47.96 days for Cx. quinquefasciatus. Although filariasis transmission has not been proven in this study, but with the discovery of potential vectors and the discovery of positive patients, the awareness of filariasis transmission needs to be increased. In terms of increasing vector control of PHBS and self protection from mosquito bites (repellent and the use of closed clothing) can be a form of control in order to avoid filariasis transmission

Proposing An Inclusive Model of Travellers ' Visit Intention and Time Perspective Revisit Intention

The tourism industry is one of the most crucial contributors to the economy of Malaysia. The antecedent of travellers’ behaviour and the various reasons for their visit and revisit intention is one of the significant factors that would help marketers to attract more tourists and maintain the sustainability of the industry. There is a lack of a comprehensive model to discuss various aspects of tourist visit intention and time perspective revisit intention, which was also rarely explored in previous literature. The current research is a concept nature study that attempts to fill this gap by proposing a complete comprehensive model of visit intention to predict the underlying reasons affecting travellers’ intention to visit.  Based on this review, the following main aspects were recognized to impact travellers’ intention to visit which includes the “information source”, “travel constraints”, “destination image”, “traveller motivation”, “traveller experience”, and “risk perception”. The current paper aims to contribute to the sustainable tourism literature by providing a wide-ranging insight on traveller’s visit and time perspective revisit intention and could act as a point of reference for future studies on sustainable tourism development in Asian countries

Protocorm Like Bodies (PLBs) dendrobium orchid “Gatton Sunray”

The Dendrobium Orchid Gatton Sunray is a hybrid orchid of Dendrobium pulchellum × Dendrobium illustre. A study was aimed to find the best type of medium and type of banana for the multiplication of Protocorm-Like Bodies (PLBs) of this orchid. This research was conducted from February to September 2020 at the Plant Tissue Culture Laboratory, Faculty of Agriculture, The University of Bengkulu. Treatments included type of media and cultivar of ripe banana fruit, added as source of organic complex, consisted of 4 cultivars, namely Ambon Curup, Kepok, Tanduk and Mas. Ripe bananas were mashed and added to the in vitro medium as much as 50 g.L-1. Types of media consist of Murashige and Skoog (MS), ½ Doses of Murashige and Skoog (MS) media, and Complex of fertilizer media. The results showed that the ½ MS medium added with 50 g.L-1 cv. Kepok fruit produced the greatest multiplication (11.8 PLBs per jar), the best growth of PLBs, including the greatest PLBs number (28.5 PLBs per jar), the heaviest fresh weight (1.30 g per jar) and the longest PLBs (2.56 cm)