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Jurnal Agro Industri Perkebunan
Published by Politeknik Negeri Lampung
ISSN : 23379944     EISSN : 25489259     DOI : 10.25181/jaip
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agro Industri Perkebunan is a peer reviewed journal that mediate the dissemination of researchers in plantation production, plantation science, plant pests or disease-plant crops, and plantation management. The journal is published by Jurusan Budidaya Tanaman Perkebunan (Estate Crop Department), Politeknik Negeri Lampung (State Polytechnic of Lampung). The purpose of Editorial is to provide a forum exchange and an interface between researchers and practitioners in any field of agriculture.
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Articles 220 Documents
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Front Matter Jurnal Agro Industri Perkebunan Volume 11 Nomor 1 Tahun 2023 Jurnal Agro Industri Perkebunan, Editor
Jurnal Agro Industri Perkebunan Vol. 11 No. 1 (2023)
Publisher : Politeknik Negeri Lampung

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Back Matter Jurnal Agro Industri Perkebunan Volume 11 Nomor 1 Tahun 2023 Jurnal Agro Industri Perkebunan, Editor
Jurnal Agro Industri Perkebunan Vol. 11 No. 1 (2023)
Publisher : Politeknik Negeri Lampung

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Karakterisasi Morfologi Tanaman Kopi Rakyat di Pulau Bangka Kurnia, Silvi; Ropalia, Ropalia; Zasari, Maera
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2717

Abstract

Coffee is a perennial plant planted on Bangka Island by farmers. Exploration of coffee plants was carried out to see several developed varieties that could be grown on Bangka Island. This study aims to determine the diverse morphological character, phenetic relationship, and variability of folk coffee plants in Bangka. This research was conducted in October 2021-April 2022 in Bangka, Central Bangka and South Bangka. This research was conducted using explorative and descriptive methods. Sampling is carried out randomly to determine the sampling location and data collection. The data from quantitative research were analyzed using variability, while phenetic relationships were analyzed using the UPGMA method (uneweighted pair group method with arithmetic mean) with the NTSYS-pc application (numerical taxonomy software and multivariate analysis system). The results of the analysis of phenetic relationships of qualitative characters resulted in a degree of similarity of coefficients at 53% within coffee of melabun, kota kapur, puput and paku. Analysis of quantitative and combined character phenetic relationships between coffee and puput resulted in a degree of co-efficiency similarity at 25% and 42%. The variability of quantitative character analysis is widespread on plant height and number of flowers per node.
Respons Planlet Stevia (Stevia rebaudiana) terhadap Penambahan berbagai Konsentrasi Thidiazuron (TDZ) dan Naphthalene Acetic Acid (NAA) secara in Vitro Dimas, Muhammad; Indrawati, Wiwik; Supriyatdi, Dedi
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2849

Abstract

Stevia can be developed by vegetative and generative propagation, while the generative propagation of stevia can be done through seeds. Conventional provision of seeds or seedlings has a low success rate. Propagation via tissue culture is faster, produces more seeds, and is identical to the parent, so the plants’ quality is expected. Plant growth regulator (PGR) often used for tissue culture is type auxins, cytokinins and gibberellins. The function of auxin and cytokinin for division cells, cell elongation, cell differentiation and organ formation. This research aims to get the concentration as well as the best combination for the growth of stevia plants against the administration of thidiazuron (TDZ) and naphthalene acetic acid (NAA). Research carried out by the randomised block design (RBD) factorial pattern consisting of two factors: TDZ and NAA. The first factor is TDZ concentration consisting of three levels: 0 mg.l-1 (T0), 1 mg.l-1 (T1), and 2 mg. l-1 (T2). The second factor is NAA concentration, which consists of three levels: 0 mg.l-1 (N0), 1 mg.l-1 (N1), and 2 mg.l-1 (N1). If there is a difference in data analysis using the F test, then proceed with the BNT level test of 5%. Based on the research results obtained, the influence of TDZ growth regulators and no effect of the concentration of NAA growth regulator on stevia bud multiplication book number. There is an effect of TDZ on plantlet height, leaves, and stevia shoot multiplication nodes.
Peramalan Produksi Kelapa Sawit dan Karet di Provinsi Kalimantan Selatan Izafera, Anis Huzaimanor; Salam, Nur; Susanti, Dewi Sri
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2870

Abstract

In Indonesia, the plantation sub-sector has an important role in increasing state revenue through the exports of its products, besides the mining and gas sector. The most widely produced plantation crops in Indonesia are oil palm and rubber and South Kalimantan is one of the top 10 provinces in Indonesia with oil palm plantations. This study aims to detect the correct forecasting model for data on oil palm crops and rubber production in South Kalimantan Province and to analyse the forecasting results for oil palm crops and rubber in South Kalimantan Province using the double exponential smoothing method.  This research was conducted for 8 months (March 2022 to December 2022), using observational data from 2001 to 2021. Double Exponential Smoothing Holt was used in this study by looking at the error value obtained with the smallest Mean Absolute Percentage Error (MAPE). For palm oil production, the parameters α=0.8 and β=0.6 were the best parameters with a MAPE value of 8.05% and resulted in the forecasting of oil palm crops production in 2022 not increasing, in 2023 and 2024 experiencing an increase of 1%. As for forecasting rubber production, the parameters α=0.9 and β=0.9 are the best parameters with a MAPE value of 5.45% and forecasting rubber production in 2022 will increase by 1%, in 2023 and 2024 by 2%.
Kombinasi Dosis Pemupukan dan Frekuensi Sadap terhadap Produktivitas Individu Tanaman Karet Aji, Yoga Bagus Setya; Nugrahani, Mudita Oktorina; Putra, Riko Cahya
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2874

Abstract

Fluctuating rubber prices cause rubber planters to suffer losses, especially when prices are low as of right now. Planters apply high-intensity tapping to obtain maximum production but this is not balanced with optimal fertilization and actually has a negative impact on the sustainability of rubber plantations. The purpose of this study was to determine the effect of a combination of fertilizing doses and tapping frequency on the productivity of rubber plants and to obtain optimal fertilizer doses and tapping frequency when rubber prices are low. The research method used a randomized block design (RBD), with six combination treatments of tapping frequency and fertilization. The results showed that the highest volume of latex was produced in the S/2 d3 ET treatment of 2.5% 100% fertilization, while the variable dry rubber content (DRC), tapping frequency treatment d3 (B, D, F) produced higher DRC and was significantly different compared to tapping frequency treatment d2 (A, C, E). The highest KKK was obtained in treatment F, namely 38.6%. Observation of individual plant production (g per tree per tapping), 50% - 100% fertilization treatment can increase the production of both tapping frequency d2 and d3. The highest production was obtained in treatment F (S/2 d3 ET2.5% 100% fertilization). So, tapping with d3 tapping frequency combined with 100% fertilization dose produces the highest individual plant productivity. Tapping with d3 frequency combined with 50% fertilization can be an alternative when the rubber price is low.
Evaluasi Kesesuaian Lahan Tanaman Perkebunan di Kecamatan Selo Kabupaten Boyolali Ristriana, Amanda Indrati; Budiyanto, Susilo; Purbayanti, Endang Dwi
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2918

Abstract

Selo District has great potential for developing plantation crops; however, the amount of production still needs to grow. The purpose of this study is to determine the soil suitability class of plantation crops (arabica coffee, tobacco, cloves, cocoa, and tea), identify limiting factors in the study area, and suggest ways to overcome them to increase land suitability classes. The study was conducted in Selo District, Boyolali Regency from November 2022 - December 2022, and the Plant Ecology Laboratory, Faculty of Animal Husbandry and Agriculture, Diponegoro University. This study used an investigative method consisting of multiple stages, laboratory data analysis, and data processing. As a result, Selo District has actual land suitability N (not suitable) for Arabica coffee and Cocoa in all area tests. In contrast, tobacco, clove, and tea had suitability classes S3 (marginally appropriate) to N (not suitable). The limiting factors that dominate are air humidity, pH, C-organic, soil texture, and slope. Efforts can be made to improve the limiting factors in the area by adding fertiliser and organic matter, feeding dolomite, and making mounds. These improvement efforts aim to increase the land suitability class for plantation crops.
Upaya Menekan Kehilangan Hasil Produksi Kelapa Sawit pada Daerah Bukit Bergunung dan Daerah Datar Bergelombang Riski, Dewa; Gunawan, Sri; Ardiani, Fani
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jaip.v11i2.2919

Abstract

Oil palm is a plant that produces vegetable oil and is cultivated in various terrain, including undulating flats and mountainous hills. The aim of this study was to identify the factors causing losses in these areas and to investigate ways to reduce the production and income effects of these losses. The research was conducted at the Palm Oil Plantation of PT. Supra Matra Abadi in North Sumatra Province, using a quantitative research method. Samples were taken from blocks A, B (planted in 1988) and C, D (planted in 2016). The parameters observed included the number of losses in the circle, path, and collection point of FFB, areas, plant age, and the suitability and completeness of equipment. Treatments included spraying on circles, paths, and collection points of FFB, as well as the placement of employees based on their experience level and the provision of tools. Data analysis was conducted using the t-test to compare results before and after treatment. The study found that the highest losses occurred in mountainous hill areas, with an average of 2.394 kg.ha-1, while the lowest losses occurred in undulating flat areas, with an average of 1.420 kg.ha-1. The results also showed that losses decreased by 28.17% or 0.678 kg.ha-1 in mountainous hill areas and by 36.93% or 0.522 kg.ha-1 in undulating flat areas after treatment. The economic value of losses was IDR 2,271.30 per ha in mountainous hill areas and IDR 1,748.70 per ha in undulating flat areas. Therefore, this study concludes that the spray treatment of circles, paths, collection point of FFB, placement of employees based on their experience level, and provision of equipment significantly reduced losses in undulating flat areas and mountainous hills.
Front Matter Jurnal Agro Industri Perkebunan Volume 11 Nomor 2 Tahun 2023 Perkebunan, Editor Jurnal Agro Industri
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

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Back Matter Jurnal Agro Industri Perkebunan Volume 11 Nomor 2 Tahun 2023 Perkebunan, Editor Jurnal Agro Industri
Jurnal Agro Industri Perkebunan Vol. 11 No. 2 (2023)
Publisher : Politeknik Negeri Lampung

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Page 18 of 22 | Total Record : 220

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