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INDONESIA
Jurnal Penelitian Pertanian Terapan
Published by Politeknik Negeri Lampung
ISSN : 14105020     EISSN : 24071781     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Penelitian Pertanian Terapan is a peer-reviewed journal that publishes scientific articles from agricultural disciplines covering Plantation crops, Food crops and horticulture, food Technology, Agriculture biology and agribusiness. Articles published in the Journal of Applied Agriculture may be research results (original) and scientific review articles (review). Applied Journal of Agriculture is published by Research Unit and Community Service of Lampung State Polytechnic Society 3 edition one year, that is January, May, and September. JPPT was first published in January 2000. JPPT published a print version in 2007, then started the online version or Open Journal System (OJS) in 2014. Early online versions of JPPT or OJS editing have not yet been fully implemented online management and are beginning to make improvements Web Journal view and journal cover and OJS governance management on Volume 2 No. 2 of 2017. JPPT has been indexed on Google Scholar and Garuda IPI by 2015, and by 2017 it has indexed SINTA and registered DOAJ and Crossref in the same year. We accept submissions from all over Indonesia. All submitted articles will not be published elsewhere, original and not considered for other publications.
Arjuna Subject : -
Articles 9 Documents
 1 
Search results for , issue "Vol 22 No 1 (2022)" : 9 Documents clear
Mempercepat Perkecambahan Benih Asam Jawa (Tamarindus indica Linn) Menggunakan Metode Perendaman Lince Romauli Panataria; Chichi J. Manalu; Efbertias Sitorus
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2097

Abstract

ABSTRACT Tamarind constitutes orthodox seed which is impermeable to water so that it is difficult to be penetrated by water in its imbibitions process. Consequently, the seeds have longer dormancy time so that special treatment is needed to accelerate its seed development. This research was done by soaking the seeds in the PGPR solution with the concentration and the soaking duration which are different from the purpose in order to accelerate the tamarind seed germination of the tamarind. The research used RAL (complete random sampling) consisted of soaking time (L) – L1: 2 hours, L2: 4 hours, L3: 6 hours, and PGPR concentration (P) which was Po; without PGPR concentration (control), P1: 10 ml/L of water, P2: 20 ml/L of water, and P3: 30 ml/L of water. The combination of treatment was 12 combinations, and each of them was repeated 3 times. The tamarind seeds were soaked according to the treatment, dried up, and germinated. The result of the research showed that germinating the seeds in 6 hours with PGPR concentration of 30 ml/L of water could accelerate the seeds until 4 days, 100% of sprouting power, 2.5% of vigor index, and 1% of germination rate. Keywords: Tamarind, PGPR, Seed Soaking
PENYEDIAAN PAKAN SILASE DARI TANAMAN UBIJALAR DALAM MENUNJANG SISTEM PERTANIAN BERKELANJUTAN Reza Prakoso Dwi Julianto; Edyson Indawan; Sri Umi Lestari; Poppy Indri Hastuti
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2120

Abstract

The study aims to evaluate the response sweet potato clones by pruning to tuber production and silage making experiments. In the field using Split Plot design with 3 replays. Sweet potato clones are placed as plots and pruning periods as the main plot. V₁: Kuningan Putih, V₂: Beta-2, V₃: Kuningan Merah, V₄: BIS-OP-61, V₅: 73-OP-5, V₆: BIS-OP-61-♀-29, V₇: BIS-OP-61-OP-22. The clone sweet potato consists of trimming period ages 90 dap, 120 dap and 150 dap. The result of trimming stroge is then preserved in the form of silage. Silage making as follows: each clons was cut to a size of 3-5 cm, then used to lower the moisture content. Storage is cut, weighed and added tubers according to treatment is: S1= 100% storage, S2 = 90% storage + 10% tubers, S3= 80% storage + 20% tubers, S₄ = 70% storage + 30% tubers. The nutritional value composition of sweet potato silage has of DM 7.07-23.33%, OM 78.04-91.45%, ash 8.57-21.96%, CP 6.90-16.14%,and CF 17.87-57.57% based on dry materials. The value of sweet potato silage of DMD 42.36-63.71%, OMD 38.85-63.64% and TDN 33.24-56.54%.
Formulasi Inokulan Padat Bakteri Tanah yang Menguntungkan sebagai Pengendali Nematoda pada Tanaman Kopi Reginawanti Hindersah; Iis Nur Asyiah; Rita Harni; Dwi Suci Rahayu; Betty Natalie Fitriatin
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2126

Abstract

Plant Growth Promoting Rhizobacteria Pseudomonas and Bacillus are well known biofertilizer due to their ability for solubilizing inorganic phosphate and producing phytohormones in soil. However, their potential to decreased diseases incidence caused by Pratylenchus coffeae has been documented. The objective of this laboratory experiment was to formulate solid biofertilizer contained Pseudomonas diminuta and Bacillus subtilis. The laboratory experiments consisted of three-step experiment: 1) selection of the molasses-based liquid media for P. diminuta and B. subtilis growth, 2) organic liquid inoculant formulation and 3) organic carrier-based inoculant formulation. The population of both bacteria in all steps was count by serial dilution plate method with specific medium. The result verifeid that cell density of P. diminuta and B. subtilis in liquid culture with 2% molasses were higher than cell count in the culture contained 4% molasses. Bagasse-based carrier inoculated with liquid culture of mixed bacteria has higher bacterial count compared to manure-based carrier. After 90-day incubation, bagasse-based solid inoculant maintained P. diminuta and B. subtilis density up to 108 CFU/mL and the acidity of solid inculaant was about neutral. The bacterial count and acidity of solid inoculant agreed with Indonesian standard for solid biofertilizer
KOMPARASI RISIKO PRODUKSI DAN PENDAPATAN USAHATANI KOPI ORGANIK DAN AN ORGANIK: (Suatu Kasus di Desa Margamulya, Kecamatan Pangalengan, Kabupaten Bandung) Tuti Karyani; R. Az-Zahra S; E. Djuwendah; E. Supriyani R
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2155

Abstract

Changes in consumer lifestyle have led to an increasing demand of organic products. The government supports the growth of the organic-product trend by establishing 1000 organic-farming village program. The transformation of farming method from the conventional (inorganic) one to the organic one certainly imposes risks that need to be considered. This study aims to analyze the differences of production risks and income risk between organic and inorganic coffee farmers. The research was conducted in Margamulya Village, Pangalengan District, West Java, which was purposively chosen because Margamulya Village is the center of coffee production in West Java and is one of the villages selected in the 1000 organic-farming-village program. The samples used in this study amounted to 56 respondents, which consisted of 28 organic farmers and 28 conventional farmers that were obtained through Slovin’s formula and selected by simple random method. The method used in this research was comparative quantitative research method. The data were analyzed using comparative analysis by coefficient comparison analysis of production risks and income risks. The results show that the production risks and income risks of inorganic coffee farmers are higher than those of organic farmers. Keywords: Organic Coffee, Production Risks, Income Risks
English English: Indonesia Fitriani Fitriani; Bustanul Arifin; Fembruari Erry Prasmatiwi; R Hanung Ismono; Dyah Aring Hepiana Lestari; Sutarni Sutarni; Didik Kuswadi
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2174

Abstract

This study conducted to analysis the unsustainable risk of coffee farming based on the farmer’s perspective. The field survey set with questioner as a tool in exploring the farmers’ condition. The method of analysis applied Chi-square and regression model. The results indicated that coffee farmer’s perspectives on risk significantly differ based on the education level. Environment risk conditions referred to land degradation, decrease water quality, and water shortage, biodiversity loss, and global warming impact. The economics risk referred to land certainty and decrease of yield (failure). On the other side, the coffee farming income has determined by land area, a number of coffee trees, land tenure, and the participation in the certification scheme.
Peranan Penyuluh Pertanian Terhadap Produktivitas Usahatani Padi Sawah di Kecamatan Kobalima Kabupaten Malaka Umbu Joka; Beatrix Dahu; Werenfridus Taena
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2176

Abstract

Agricultural extension agents play an important role in increasing the intelligence and competence of farmers, especially for farmers in border areas. This study aims to determine: 1). General depiction of rice farming and productivity; 2). The role of agricultural extension agents on rice farming productivity; 3). The role of agricultural extension agents on rice farming productivity through the behavior of farmers in Kobalima District, Malaka Regency. The sample of extension workers by census was 9 extension workers, while the farmer groups by purposive sampling were 9 farmer groups. Data analysis used descriptive analysis and path analysis. The results showed that the general description of rice farming and productivity of rice in Kobalima Subdistrict, covers a land area of 9.1 ha, production 31 tonnes and productivity 2.74 tonnes / ha. Directly, the role of agricultural extension agents affects the productivity of rice farming with a significant value of 0.004, with a coefficient of determination (R2) of 0.9. Meanwhile, the partial test of education, dissemination, facilitation, consultation, supervision has a significant effect on the productivity of rice farming. Indirectly, the role of agricultural extension agents has a significant effect on the productivity of rice farming through the behavior of farmers with a significant value of 0.053. The coefficient of determination (R2) is 0.999. While the partial test; facilitation has a significant effect on the productivity of lowland rice farming through the behavior of farmers in Kobalima District, Malaka Regency.
Pengaruh Kebijakan dan Faktor Penentu Impor Bawang Putih Indonesia dari Cina Jihan Zakia Adila; Andriyono Kilat Adhi; Rita Nurmalina
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2189

Abstract

The government has targeted garlic self-sufficiency in 2021 to meet the national demand for garlic. However, most of Indonesia's garlic needs are still met by importing garlic from garlic-producing countries. This study aims to analyze the influence of policies and determinants of Indonesian garlic imports from China as the largest garlic exporter in Indonesia and globally. This study analyzes the annual time series data from 1996 to 2019 using multiple linear regression with the Ordinary Least Square (OLS) method. This study found that the tariff elimination policy significantly affected the volume of garlic imports from China. Imported garlic prices, Indonesian population, and domestic shallot prices also significantly affect the volume of Indonesian garlic imports from China. Meanwhile, the RIPH policy and the real exchange rate did not significantly affect Indonesia's garlic imports from China.
Suplementasi Hidrolisat Glukomanan Tepung Porang (Amorphophallus oncophillus) pada Produk Minuman Sinbiotik Chandra Utami Wirawati; Dwi Eva Nirmagustina
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2276

Abstract

Synbiotics is a combination of prebiotics and probiotics that are believed to have a synergistic effect not only by inhibiting the growth of pathogenic bacteria and enhancing the growth of beneficial organisms, but also play a role as functional foods. This study was conducted to evaluate the konjac glucomannan hydrolyzate in synbiotics fermented milk. Factorial Randomized Block Design (RAK) was applied in this experiment. The combination of konjac glucomannan hydrolyzate (0%, 0.5%, 1%, 1.5%) and storage time (0 day, 30 days, 60 days) were applied to measure the acidity (pH), lactic acid konsentration and viscosity. Meanwhile viability of lactic acid bacteria and antibacterial activity were measure . The result showed that konjac glucomannan hydrolyzate supplementation were decreased product acidity (pH) and viscosity, but increased the lactic acid concentration during 60 days storage. Viability of lactic acid bacteria during 60 days storage were decreased except for 1% and 1.5% concentration. The synbiotic product showed antagonistic activity against pathogenic bacteria i.e. E. coli ATCC 25922, S. aureus ATCC 25923, and S. Typhimurium ATCC 14028. Supplementation of 1% glucomannan hydrolyzate for 60 days at 5oC showed the best characteristics in synbiotic product namely 3.45 acidity (pH), 1.24% total lactic acid , 3.24 Cp viscosity, and 8.69 log CFU/g total lactic acid bacteria.
Tiga Tahap Formulasi Strategi Pembangunan Sektor Pertanian di Kabupaten Lebak Adi Prasetya Muammar; Iwan Setiawan; Zumi Saidah
Jurnal Penelitian Pertanian Terapan Vol 22 No 1 (2022)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v22i1.2377

Abstract

The agricultural sector development strategy should be based on a comprehensive identification of various problems and the involvement of various interest groups. This study aims to produce priority alternative strategies for the government in Lebak Regency. The research method used in this study was a research based on qualitative and quantitative data. Data collection method used in qualitative data was interviews and quantitative data was questionnaires. The source of information that was being searched was Lebak regency government, farmer, agricultural expert, and strategic management expert. From the data collected, it was sorted according to the stages and then analyzed using SWOT and QSPM analysis. The results of the study show that first, several internal and external factors were identified from the interviews, second, the strategic position of the Lebak Regency government in agricultural development efforts was grow and build position, and third, there were nine alternative priority strategies for the development of the agricultural sector. The strategy that becomes the main alternative is “Be active in collecting information on assistance or cooperation programs from the central, provincial, regional government or other institutions”. This strategy is the first priority ranking that needs to be considered in the local government policy of the Lebak Regency.

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