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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 All submitted articles will not be published elsewhere, original and not considered for other publications.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 6 Documents
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Search results for , issue "Vol 18, No 3 (2018)" : 6 Documents clear
KARAKTERISTIK IKLIM MIKRO SERTA PERTUMBUHAN PADA BEBERAPA SISTEM TANAM JAGUNG DENGAN POLA TANAM TUMPANG SARI DAN TANAM TUNGGAL Wentasari, Risa; Gusta, Adriyade Reshi
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1507

Abstract

The purpose of this study is to know the characteristics of microclimate and the growth ofcorn and soybean on single row, doble row, twin row, and twin row seed system inpoliculture and monoculture pattern. The research was arranged in Randomized BlockDesign with two factors (1) planting system consisting of 4 treatments (Sigle Row (SR) (25x75cm) Doble Row (DR) (20x 20x 80cm), Twin Row (TR) (20x10x 80 cm), and Twin Seed (TS)(40 x 75cm (2 seed in 1 planting hole)) and (2) Cropping Pattern (Polikulture (TS) (100 cmof corn line distance)) and monokulture (TT), with 3 replications. Data analysis was doneby F test (1% and 5%) and BNT (5%). Conclusions: Microclimatic characteristics (a) LightInterception (%) at morning of middle plant canopy, midday and afternoon in the middle andlower part of the canopy are not significantly different. There is a significant difference inmorning light interception at the bottom of the plant canopy, the lowest light interception isTTSR treatment. Temperature (oC) there was significant difference of temperature due to treatment. the TTTS treatment had the highest average temperature under the plant canopy(26.30 o C) and the center of the plant canopy (29.40 o C). Relative humidity (%) did not give a significantly different response to the treatment.
KINERJA USAHATANI KOPI DI HULU DAS SEKAMPUNG, TANGGAMUS, LAMPUNG Fitriani, Fitriani; Arifin, Bustanul; Zakaria, Wan Abbas; Ismono, R. Hanung
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1503

Abstract

Most of the coffee production areas in Lampung are in the vicinity of production forests andprotected forests, also a catchment area for watersheds in Lampung, namely Sekampung andWay Seputih watersheds. Continuity of sustainable coffee production lines is an importantdemand that needs to be done. The application of coffee production systems with shade(agroforestry) in the catchment area is very important in ensuring environmentalsustainability. This study aims to analyze the income performance of agroforestry coffeebased on the land status in Hulu Das Sekampung. The research uses survey methods. Fielddata exploration conducted in April-November 2016 is located in Datar Lebuay and SinarJawa Villages. Air Naningan, Tanggamus, Lampung. The descriptive statistical analysismethod is used to explain the performance of agroforestry coffee production at the researchlocation. Based on the results and discussion it was concluded that farmers with landownership status had the highest level of coffee farming income compared to the land statusof HKm and non-HKm. Agroforestry coffee farmers obtain sources of income from coffeeproduction, MPTS production, and other crop production (multiple cropping). The averagecontribution of coffee farming income is 22% of the total farm income. Coffee contributes22% to the total income of farmer households. Farmer's household income with the status ofland ownership is the highest compared to the land status of HKm and Non-HKm. Thediversity of income sources of upstream farmers in the watershed. The villages that comefrom various vegetation plants are important in maintaining land cover as a catchment area.The practice of agroforestry coffee is an adaptation of sustainable production in the upperwatershed Sekampung. The pattern of agroforestry coffee production in the area aroundprotected and watershed forests needs to be continuously developed.
PENGARUH EKSTRAK AIR RUMPUT TEKI (CYPERUS ROTUNDUS) TERHADAP PERTUMBUHAN DAN KANDUNGAN KLOROFIL PADI GOGO VARIETAS INPAGO 8 Agustin, Mia A.; Zulkifli, Zulkifli; Handayani, Tundjung T.; Lande, Martha L.
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1508

Abstract

The purpose of this research is to know whether the aqueous extract of purple nutsedge(Cyperus rotundus) have an effect on the growth and chlorophyll content of upland riceseedling of Inpago 8 varieties. This research was conducted at Botanical Laboratory ofBiology Department Faculty of Mathematics and the Natural Sciences University ofLampung from September to October 2017. The experiments were carried out in a completerandomized design with the main factors being aqueous extract of purple nutsedge with 5 level : 0% v / v (control), 5% v / v, 10% v / v, 15% v / v, and 20%v/v. Parameters measuredwere shoot length, fresh weight, dry weight, relative water content, and total chlorophyllcontent of rice seedling. Homogeneity of variance was determined by the Levene test at 5%significant level. Analysis of variance and Tukey HSD test is done at 5% significant level.The results showed that the concentration of extract correlated quadratic with shoot lengthwhere the maximum shoot length was 3.9 cm at 10% extract concentration. Fresh weight andrelative water content maximum were 73.21 mg and 76% respectively at concentrations of14% and 10%. The minimum total chlorophyll content was 0.47 mg / g tissue at aconcentration of 11%. There was no significant effect on the dry weight of the seedling.From the results of the study, it was concluded that the extract of purple nutsedge at aconcentration below 14% was a growth stimulator, but it was an inhibitor of chlorophyllbiosynthesis.Keyword: Chlorophyll, Growth, Upland rice variety Inpago 8, Purple nutsedge
UJI MULTILOKASI SEPULUH GALUR PADI UNTUK MENGHASILKAN VARIETAS UNGGUL BARU Kartahadimaja, Jaenudin; Syuriani, Eka Erlinda
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1504

Abstract

Reduced productive rice fields to non-paddy fields, most possible extension of the nationalrice cultivation area to the suboptimal lands reaching ± 91.9 million ha. Technologypackages that can be applied include the use of new improved rice varieties through theassembling of varieties that have high yield potential, resistant to suboptimal soil stress. Theobjective of the research is to produce new superior rice varieties that are available invarious environments. The study used a split-plot design, as the main plot is an environmentconsisting of rice paddies and gogo, as a subplot is the genotype of rice. The treatment ineach environment is prepared using the Randomized Complete Block Design (RCBD). Thetreatment consisted of 10 new rice strains and four varieties as a comparison. Variablesobserved (1) plant height; (2) the maximum number of shoots; (3) number of productiveshoots; (4) long panicle; (5) the number of grains per panicle; (6) the amount of graincontent of each panicle; (7) the number of empty grains per panicle; (8) weight of 1000grains of grain; (9) grain yield of each clump; (10) grain yield per hectare. Data wereanalyzed by variance if there was a difference between mean, median treatment, followed byLsd test at 5% level. The adaptability and yield stability of each strain was determined basedon the value of the coefficient of diversity (KK) (Francis and Kenneberg, 1978) in Syukur etal., (2012). The results showed that seven new rice strains had adaptations both planted asupland rice and lowland rice, namely strains B3, B4, F2, F3, H1, H4, and L2.
PROSPEK INTRODUKSI REGULON NIF DARI BAKTERI KLEBSIELLA PNEUMONIAE KE DALAM GENOM MITOKONDRIA TANAMAN Pranata, Ivan Tjahja; Hulu, Adminarwati; Handoko, Yoga Aji
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1509

Abstract

Use of synthetic fertilizers bring environmental pollution, increase weed growth, reduceatmospheric oxygen levels, decrease the fertility of agricultural land, causing eutrophicationand run-offs, also even damaging coral reefs. Recent biotechnology approaches can beutilized to create a new variety of self-fertilization plants that allows it to supply its ownnitrogen making it possible to overcome nitrogen problems and avoid them. This reviewaims to understand how far genetic engineering approach can be used by the introduction ofnif regulon from Klebsiella penumoniae. The nitrogenase-encoding genes which make up thenif regulon proved can be inserted into the mitochondrial genome as like Allen et al. (2017)did in their research. The western blotting result showed that the research succesfullyintegrated the nif regulon to the genome and expressed their proteins.
PERUBAHAN KARAKTERISTIK FISIKOKIMIA TEPUNG ONGGOK SELAMA PROSES FERMENTASI SEMI PADAT MENGGUNAKAN SACCHAROMYCES CEREVISIAE Hidayat, Beni; Muslihudin, M.; Akmal, Syamsu
Jurnal Penelitian Pertanian Terapan Vol 18, No 3 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i3.1500

Abstract

Cassava bagasse is a by-product of tapioca industry whose use as food is relatively limited.The improvement of the cassava bagasse flour characteristics as a food ingredient can bedone through a semi-solid fermentation process. The aim of this study was to examine thechanges in physicochemical characteristics of cassava bagasse flour during the semi-solidfermentation process using Saccharomyces cerevisiae. The semi-solid fermentation processwas carried out for 0 days (control), 1 day, 2 days, 3 days, 4 days, and 5 days. Observationsof physicochemical characteristics include pasting characteristics, microstructure, waterabsorption index, and water solubility index. The results showed that the fermentationprocess had no effect on the gelatinization temperature but affected the viscosity of thecassava bagasse flour; during fermentation, liberation and erosion of the starch granule willbe more intense occur, as well as an increase in water absorption index and water solubilityindex.

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