Proceedings Series on Physical & Formal Sciences最新文献

{"title":"Aplikasi Pestisida Nabati Umbi Gadung (Dioscorea hispida) untuk Mengendalikan Hama Ulat Grayak (Spodoptera frugiperda) pada Tanaman Jagung (Zea mays) di Laboratorium Pengamatan Hama dan Penyakit Tanaman (LPHP) Banyumas","authors":"Eka Wihartati, Arif Prashadi Santosa, Ardiana Kartika B","doi":"10.30595/pspfs.v2i.189","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.189","url":null,"abstract":"One of the pests that attack corn plants in Banyumas is the armyworm pest (Spodoptera frugiperda) which has been endemic since early 2019. This pest can cause damage to up to 70% of the total land area of the corn crop. Generally, pest control is carried out using chemical pesticides which have a negative impact on the environment and health. Therefore, to overcome these negative impacts it is necessary to do better control such as control using vegetable pesticides or biopesticides. One of the plants that can be used as vegetable pesticides is the gadung tuber which contains diosgenin, steroid, saponin, alcohol, and phenol compounds. This study aims to determine the difference in the effectiveness of the vegetable pesticides of the gadung tubers which were extracted using two different methods, namely by blending and boiling. The resulting vegetable pesticides were applied to 25 samples of the pest Spodoptera frugiperda. The method of analysis used a qualitative descriptive method. The results showed that after the application of vegetable pesticides twice the samples of the caterpillars used were dead, which was indicated by the visual death appearance of Spodoptera frugiperda where the body turned stiff and secreted fluid, the color of the body turned blackish brown (burnt). The difference in the effectiveness of the results of the application of vegetable pesticides was seen in the mortality rate of caterpillars where for the caterpillars that were applied with boiling of 25 samples, 12 caterpillars that died on the second day, the third day 5, the fourth day 4 caterpillars and the fifth day 4 caterpillars. Meanwhile, for the death rate of caterpillars that were applied with blending of 25 samples, the caterpillars that died on the second day were 10, the third day 7, the fourth day 6, and the fifth day as many as 2 caterpillars. The application of both gadung tuber vegetable pesticides made by blending and boiling is considered equally effective in controlling armyworm pests but seen from the faster mortality rate using vegetable pesticides made by blending.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"47 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128569387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Respon Tanaman Bawang Merah Pada Beberapa Jarak Tanam Dalam Pola Tanam Tumpangsari Dengan Jagung","authors":"Muhsanati Muhsanati, Rintan Putri Demara, Gustian Gustian","doi":"10.30595/pspfs.v2i.176","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.176","url":null,"abstract":"The implementation of intercropping is one alternative that can be done to increase the diversity of crops cultivated by farmers, due to the increasing activity of land conversion and limited ownership. The practices of growing several types of crops on the same land and time can provide several advantages. The plantation of corn and shallot on the same field and at the relatively same time will contribute to meet the community's needs for food and feed, especially during the current covid-19 pandemic. The use of various spacing of shallot within corn plantations is expected to increase income and land-use efficiency. The results showed that narrow space of shallots (10 cm × 15 cm) gave a higher unit area yield, and a wider space (20 cm × 20 cm) gave a higher land equivalence ratio comparing to other plant spacing (10cm × 15cm, and 10cm × 20cm). ","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129041114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Potensi Pengembangan Komoditas Unggulan Tanaman Pangan Berdasarkan Analisis Location Quotient (LQ) di Kabupaten Langkat","authors":"Sh. Hidayat, M. A. Girsang, Sarman P. Tobing, Khairiah Khairiah, Lermansius Haloho, P. Nainggolan","doi":"10.30595/pspfs.v2i.211","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.211","url":null,"abstract":"","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"115 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123366618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluasi Kemampuan Lahan di Desa Sungai Jelayan Kecamatan Kedawangan Kabupaten Ketapang","authors":"Sani Jainudin, Rini Hazriani, F. B. Arief, Ridwansyah Ridwansyah, J. Junaidi","doi":"10.30595/pspfs.v2i.177","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.177","url":null,"abstract":"Sungai Jelayan Village is one of the villages in Kendawangan District, Ketapang Regency, which still has the potential for sustainable management. Evaluation of land capability is one of the efforts to overcome the reduction of land degradation. Land capability is an assessment of land units for particular uses, assessed from each inhibiting factor. This study aimed to determine the characteristics of the land according to the land capability parameter, assessed the land capability sub-class, and provided suggestions for land use based on the land capability sub-class in Sungai Jelayan Village. The research stages started from preparation, preliminary survey, determination of research location based on land units consisting of soil type, slope class, land use and there were 9 land units, and determination of observation points, as well as field observations and soil sampling, laboratory analysis, data processing and presentation of results. The results obtained 2 soil orders, namely Entisols and Inceptisols. The results of the land capability evaluation were divided into five land capability classes and sub-classes, namely class II-s, III-s, IV-w, V-w, and VIII-es. Improvement efforts or efforts to use land sustainably could be carried out in 5 ways, namely intensive cultivation, moderate cultivation, limited cultivation, nature reserves/protected forests, and intensive grazing.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115301598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uji Kinerja Mesin Pengiris dan Pemarut Ganyong (MPPG) Tep-02","authors":"A. Yusuf, Lambok Sinaga, W. Sugandi","doi":"10.30595/pspfs.v2i.172","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.172","url":null,"abstract":"Canna (Canna edulis Kerr.) is a type of tuber plant with a fairly high starch content to be used as food. The use of canna is generally processed first into flour. The initial process of flouring canna is done in two ways; the canna plants are sliced and grated. The Department of Agricultural and Biosystem Engineering, Faculty of Agricultural Industrial Technology, University of Padjadjaran, designed the TEP-1902 Canna Slicing and Shredding Machine (MPPG). However, the performance of this machine was not yet known, so testing was needed to determine its performance. The research method used was an experimental method that was analyzed descriptively by measuring, observing, calculating, analyzing, testing, and evaluating the TEP-1902 Canna Slicing and Shredding Machine (MPPG). The results of the performance test of this machine showed that the machine's performance was good, with the following parameters: the actual capacity of the slicing unit and grating unit was 40.95 kg/hour and 182.98 kg/hour, respectively, efficiency was 92.61% slicing and 97.60% grater, the yields were 98.75% slicing and 96.50% grating, respectively, the average thickness of the slices was 2.13 mm, and the uniformity of slice thickness was 65.51%.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128355373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Aplikasi Pestisida Nabati Maja - Gadung dan Metabolit Sekunder Beauveria Bassiana Bals. Untuk Mengendalikan Hama Thrips Sp. Pada Tanaman Cabai Rawit","authors":"Tarjoko Tarjoko, Mujiono Mujiono","doi":"10.30595/pspfs.v2i.179","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.179","url":null,"abstract":"Pest attacks on chili plants are the main limiting factor in cultivation activities. The research  aims to determine the effect of single application of botanical pesticide maja-gadung (PMG), single application of secondary metabolite Beauveria bassiana BIO (BIO B10), combined application of PMG and BIO B10  on pest populations, predator populations and plant growth and production of  chili. The  reesearh used a factorial Completely Randomized Block Design (RAKL) with 3 replications, so there were 9 treatment combinations (0 ml/l PMG, 4 ml/l PMG, 8 ml/l BIO B10, 0 ml/l PMG, 2  ml/l BIO B10,  4 ml/l BIO B10, 4 ml PMG+2 ml/l BIO B10,  4 ml/ml PMG+4 ml BIO B10, 8 ml/l  PMG+2ml/l BIO B10, 8 ml/l PMG+4 ml/l BIO B10). The variables observed were Thrips sp population, predator population, plant height, number of leaves, and fruit weight per plant. The results showed that the single application treatment of PMG  with a concentration of 4 ml/l and 8 ml/l was able to suppress the population of Thrips sp. by 21.6% and 41.4% compared to the control. The single application treatment of BIO B10  with concentrations of 2 ml/l and 4 ml/l was able to suppress the population of Thrips sp. by 66.5% and 65.5% compared to the control. The best combination application is PMG  and BIO B10with a concentration of 8 ml/l + 4 ml/l which is able to suppress the population of Thrips sp. by 76.9% compared to the control. The application treatment of PMG andBIO B10 did not affect plant height, number of leaves, and fruit weight per plant.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116934171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Kajian Budidaya Tanaman Kelapa Sawit (Elaeis Guineensis Jacq.) di Kabupaten Pulang Pisau Provinsi Kalimantan Tengah","authors":"Flora Chisyashita","doi":"10.30595/pspfs.v2i.186","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.186","url":null,"abstract":"The objective of this research was to study of cultivation techniques palm oil independent farmers and social aspects to palm oil production. This research has conducted in In The Districk of Returning Knives from January 2021 until March 2021. The research was conducted using survey and the sampling used for this research purposive sampling. Consist of 60 sample, based on 10% level of representation. 30 sample drawn from Pangkoh Village and 30 sample drawn from Mandomai Village. The parameters studied were, land clearing, the origin of the seeds, size of planting holes, seed age, plant spacing, pruning, control of weeds and fertilization. The results show that the average production palm oil of farmers are still very low at less than 50% when compared to the average production of palm oil of PPKS Palangka Raya on mineral lands in general. The low production of palm oil cultivation techniques of farmers due to conducted as seed origin, plant spacing, pattern spacing, the size of the planting hole, transplanting seedlings into the ground, fertilizing, are still quite low level of the appropriate palm oil cultivation techniques application in the field.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115275263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Kemitraan Produksi Benih Jagung Hibrida Antara PT. Agri Makmur Pertiwi, Agen (Grower) dan Kelompok Tani Sidodadi di Kecamatan Prambanan Kabupaten Sleman","authors":"Wendy Dimas Cahyadi","doi":"10.30595/pspfs.v2i.206","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.206","url":null,"abstract":"This research was conducted in Sumberharjo village, Prambanan district, Sleman regency, Special Region of Yogyakarta. It aims to study (1) the partnership process, (2) the determination of the partnership pattern, (3) the application of the partnership’s principles, and (4) the independence of Sidodadi Farmers with the existence of the production partnership of hybrid corn seed operated among Agri Makmur Pertiwi Inc., Agent (grower), and Sidodadi Farmers in Prambanan district, Sleman regency. This study utilized qualitative approach and the case study in Sumberharjo village. The data retrieval technique key informant was carried out purposively, namely Field Assistant and Quality Control of Agri Makmur Pertiwi Inc. in Central Java and Yogyakarta, Field Assistant of the Agent, the head as well as members of the Sidodadi farmers. Meanwhile, the data collection was done by observation, interview, and documentation, whereas the qualitative data analysis technique was obtained interactively and went on continuously until the data were saturated, and the validity of the data collected will be tested by the triangulation of the data collection method. The result of the study revealed that (1) the partnership process was gained from the stage of socialization, cooperation agreement, cultivation process, up to the crops deposition to the company, (2) the partnership pattern formed was Sub-contract and Agribusiness Operational Cooperation, (3) the partnership principles fulfilled were equality, transparency, result-oriented, responsibility, and complementarity, and (4) the independence of Sidodadi farmers had only reached the stage of independent fertilizer procurement and collective farmers’ cards management.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123306610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Uji Isolat Bakteri Azotobacter Asal Kebun Lidah Buaya dengan Pupuk Urea terhadap Serapan Nitrogen pada Tanaman Kedelai (Glycine Max L.) di Tanah Gambut","authors":"Nandung Erlanda, F. B. Arief, Ismahan Umran, S. Gafur, D. Suswati","doi":"10.30595/pspfs.v2i.183","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.183","url":null,"abstract":"Azotobacter nitrogen-fixing bacteria and urea fertilizer to reduce excessive use of chemical fertilizers. These bacteria can play a role in increasing nitrogen uptake and further growth of soybean plants. This study aimed to obtain growth media for Azotobacter and increase plant and root growth and nitrogen uptake of Biosoy soybean varieties. The research was conducted to help the uptake of n in the soil and reduce the excessive use of chemical fertilizers. The first experiment was carried out by growing bacteria on the media for 120 hours. The second experiment was designed in a completely randomized design that tested two treatments with additional use of urea fertilizer and Azotobacter and no Azotobacter. The results showed that there was no effect of giving Azotobacter from aloe vera gardens, and urea fertilizer showed a significant effect on the observed variables of soil pH in soybean plants on peat soil. In contrast, the variables observed were population, plant height, N content, N-total, plant dry weight, dry weight of plant roots, and N span of soybean plants had no significant effect.","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131441577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Karakteristik Fisikokimia dan Sensoris Es Krim Ubi Jalar Ungu (Ipomoea Batatas L.) Dengan Subtitusi Pemanis Ekstrak Daun Stevia (Stevia Rebaudiana Bertoni M.) dan Berbagai Jenis Stabilizer","authors":"Bambang Nugroho, Arif Prashadi Santosa, Solihin Amirudin","doi":"10.30595/pspfs.v2i.193","DOIUrl":"https://doi.org/10.30595/pspfs.v2i.193","url":null,"abstract":"This study aims to determine the effect of sweetener concentration, various types of stabilizers and their interactions on proximate, antioxidant and sensory content of ice cream. The study was conducted using a Factorial Completely Randomized Design (CRD) consisting of two factors. The first factor is the comparison of sweetener concentration with 3 levels of 100% sugar sweetener (D1), 50% sugar sweetener: 50% stevia extract sweetener (D2) and 100% stevia extract sweetener (D3) while the second factor is the type of stabilizer with 3 levels namely, agar. - agar (S1), Gelatin (S2) and CMC (S3). The results obtained were analyzed using the F test and followed by the DMRT test with a confidence level of 95%. The results showed that the comparison of sweetener concentration (D) and treatment interaction (DxS) had a significant effect. While the sensory analysis has a significant effect on the texture, taste, overall variables and does not significantly affect the aroma variable. The best treatment in the proximate analysis of sensory analysis is the treatment of using 50% sugar and 50% stevia and agar-agar (D2S1) stabilizer with the organoleptic score of fragrance, texture, taste and preference respectively were 3.80 (normal); 3.60 (slightly soft); 3.80 (good); 4.10 (liked), and the Physicochemical value of overrun, melting time, fibre content,  viscosity, antioxidant, and sugar content respectively were 42,5%; 14,06 minutes; 0,3107%; 1,217 cP; 11,65%; 20,33%. ","PeriodicalId":165554,"journal":{"name":"Proceedings Series on Physical & Formal Sciences","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-11-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123922208","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}