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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 All submitted articles will not be published elsewhere, original and not considered for other publications.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 759 Documents
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MODEL PENGEMBANGAN MODAL SOSIAL ADAPTIF PADA KOMUNITAS PETANI KEDELAI BERBASIS PROGRAM UPSUS PAJALE DI KABUPATEN LAMPUNG TIMUR Ana, Septi; Trimo, Lucyana
Jurnal Penelitian Pertanian Terapan Vol 19, No 3 (2019)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v19i3.1308

Abstract

This study aims to design a model of adaptive social capital development in the soybean farming community based on the UPSUS Pajale Program in East Lampung Regency, which was held from January to March 2019. The data used were primary and secondary data with the Mix-method research method. The sampling technique used is Proportional Stratified Random Sampling with a total sample of 140 soybean farmers who are members of a farmer group receiving 2017 UPSUS Pajale Kedelai Program in East Lampung Regency. Data processing is done qualitatively and quantitatively. Qualitatively the data is processed using descriptive analysis, while the quantitative data is processed using Structural Equation Modeling (SEM) analysis, which uses the LISREL 8.80 program. The results showed that the soybean farmer's social capital development model obtained was an adaptive implementation model developed through strengthening the program implementation process, farmer characteristics and institutional institutional performance in supporting the sustainability of the next UPSUS Pajale Program and could also be applied to other government programs. Keywords: Development Model, Social Capital, and UPSUS Pajale Program
Rantai Nilai Jeruk Keprok (Citrus Reticulate) Soe di Kabupaten Timor Tengah Selatan Provinsi Nusa Tenggara Timur Gregorius Gehi Batafor; Yason Edison Benu
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1431

Abstract

These study aims are analyzed the value chain after applying Soe tangerine cold storage technology. Qualitative and quantitative research methodologies, while data analysis techniques used the biological method and cost analysis. Value chain analysis shows that collectors' profits are IDR 5,306 per kg, retailer IDR 10,806 per kg, while farmers IDR 1,806 per kg. If the difference between each actor in the distribution chain is calculated, the farmer only receives an added value of IDR 2,250 per kg, while collecting traders IDR 5,750 per kg and retailers IDR 11,250 per kg. The RC ratio produced by farmers is 1.14, collecting traders 1.31, and retailers 1.45. Analysis of basic costs, cold storage for 3 months requires a fee of IDR 708,146 per kg. This value is lower compared to conventional storage of IDR 1,372 per kg. Based on interviews regarding price predictions for the next 3 months and shrinkage values, there is a significant difference between conventional storage and cold storage. The advantage of cold storage is greater than conventional storage, which is IDR 13,417 per kg while conventional storage is IDR 3000 per kg. The increase was obtained assuming the price before being saved IDR 22,250 per kg, and the sale price after saving is IDR 35,000 per kg. Value chain analysis shows that three stakeholders can use cold storage technology, namely farmers, collectors, and retailers in several people's markets in Kupang City. With the lowest profit and RC value in farmers, cold storage technology is more suitable for farmers compared to other actors. With cold storage technology, the chances of Soe's tangerine offering will remain under control.
Pemanfaatan Vinasse sebagai Pupuk Organik Cair untuk Meningkatkan Pertumbuhan dan Hasil Bunga Kol (Brassica oleracea var. Botrytis L.) Siti Ma'rufah; Riza Yuli Rusdiana; Vega kartika sari
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1552

Abstract

Cauliflower is a annual vegetable crop that is rich in vitamins and minerals.  This is one of the commodities exported by Indonesia. Fertilization is a determinant of the success of vegetable farming. The use of chemical fertilizers that are not balanced with organic fertilizers can have a negative impact on the environment. Vinasse is an industrial waste that is rich in organic matter, potassium, calcium and micro nutrients and can be used as liquid organic fertilizer. This study aims to determine the effect of giving several doses of vinasse on the growth and production of cauliflower. The experimental design used is a single factor Randomized Block Design (RCBD). The treatment dose used consisted of four levels namely, 0 l / ha (V0), 15000 l / ha (V1), 20000 l / ha (V2), 25000 l / ha (V3). The results showed that there was a very significant effect on plant height at 14 DAP and 21 DAP, and on the variabels of flower weight per sample, flower weight per bed, and fresh stover weight per sample, and showed a significant effect on the number of leaf  variabel on age 14 DAP and 21 DAP. The best treatment of vinasse fertilizer is 25000 l / ha (V3).
Pengaruh Sekam Bakar Dan Pupuk NPK Pada Pertumbuhan Bibit Lada Made Same; adryade reshi gusta
Jurnal Penelitian Pertanian Terapan Vol 19 No 3 (2019)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v19i3.1497

Abstract

Lada merupakan tanaman yang membutuhkan unsur hara dalarn jumlah yang relatif banyak. Untuk memperoleh tingkat pertumbuhan dan hasil yang tinggi diperlukan dosis pemupukan yang tinggi dengan komposisi unsur yang berimbang. Salah satu hambatan dalam pertumbuhan bibit lada adalah kurang tersedianya unsur hara dalam tanah. Untuk memenuhi kebutuhan unsur hara bagi tanaman dilakukan dengan pemberian pupuk yang sesuai dengan  dosis  yang  tepat  sehingga  diharapkan pertumbuhan tanaman lada dapat meningkat.  Penelitian Pengaruh sekam bakar dan Pupuk  NPK pada Pertumbuhan Bibit  Lada bertujuan untuk  memacu pertumbuhan vegetatif bibit lada.  Penelitian dilaksanakan  di Kebun Pembibitan dan Laboratorium Analisis Politeknik Negeri Lampung pada bulan April sampai dengan Oktober 2019. Perlakuan disusun secara faktorial dalam Rancangan Acak Kelompok.  Faktor pertama adalah pemberian sekam bakar yang terdiri dari tiga taraf yaitu  S0 = media tanam hanya menggunakan tanah (sebagai kontrol), S1 = media tanam dengan perbandingan tanah dan sekam bakar 3:1, S2 = media tanam dengan perbandingan tanah dan sekam bakar 2:2.    Faktor kedua adalah empat taraf pupuk NPK Mutiara yaitu M0 = tanpa pemberian NPK Mutiara , M1 = pemberian NPK Mutiara 1,5 g/polibeg,  M2 = pemberian NPK Mutiara 3 g/polibeg, dan M3 = pemberian NPK Mutiara 4,5 g/polibeg.   Setiap perlakuan diulang tiga kali, sehingga diperoleh 36 satuan percobaan.  Masing-masing satuan percobaan terdapat tiga bibit lada yang akan dijadikan sebagai sampel.  Hasil penelitian menunjukkan pemberian sekam bakar tidak berpengaruh  pada pertumbuhan bibit lada.  Sedangkan pemberian pupuk NPK Mutiara 4,5 g/polibeg berpengaruh nyata pada jumlah daun dan jumlah cabang.  Tidak terdapat interaksi antara pemberian sekam bakar  dan NPK Mutiara pada pertumbuhan bibit lada.  
Studi Analisis Finansial Pendirian Industri Keripik Pisang di Provinsi Lampung Sri Hidayati; Neti Yuliana; Tanto Pratondo Utomo; Rio Cakaradinata
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1567

Abstract

This study aims to determine the analysis of the location of the establishment of a suitable banana chips industry in Lampung by using an exponential comparison method and the feasibility of financial analysis.. The research method uses observation, survey and interview techniques. To determine the location of the plant using the Exponential Comparison Method. The results showed that the suitable location was Ketapang sub-district in south Lampung regency with a value of 11129 and was declared financially feasible because it had a positive Net Present Value (NPV), the value of the Internal Rate of Return (IRR) was greater than the prevailing interest rate at present, the value of the Benefit/Cost (B/C) ratio is more than 1 and the payback period (payback period 1 year 11 months) is the maximum business feasibility at a 15% increase in raw materials per year.
Pengaruh Metode Penanaman Lingkar Berjajar Pada Pertumbuhan Tanaman Jagung Manis (Zea Mays Saccharata). Lutfy Ditya Cahyanti; Use Etica
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1404

Abstract

The experiment aims to know the effect of The off-row circle planting method on the growth of sweet corn. This research was conducted in the Sub District of Siman, Ponorogo, with altitude 140 asl and textured clay grumosol soil types. The research used a randomized block design (CBD) with 4 kinds of planting spaces included C1 = 8 plant / (60x80) cm2, C2 = 16 plant / (60x80) cm2, C3 = 12 plant/ (60 x 80) cm2, C4 = 1 plant/ (60 x 80) cm2, C5 = 1 plant/ (60 x 80) cm2 with mowing. Each experimental unit was repeated 5 times so that there were 25 units. The observation was done at 21,28, 35, 42 and DAP (the day after planting). Some vegetative growth traits of sweet corn were determined as plant height (cm), the number of leaves (leaf plant-1), leaf area (m2) and leaf area index, fresh weight (g) and dry weight (g). Row circle planting method affected the fresh weight and dry weight of sweet on 49 DAP, sweet corn with 1 plant/ (60 x 80) cm2 with mowing treatments showed the higher value  and significantly different with other treatments, with 803 g for fresh weight and 7,70 g for dry weight.
In Vitro Screening Ketahanan Galur Padi (Oryza Sativa) B7 Hasil Rakitan Politeknik Negeri Lampung Terhadap Keracunan Besi (Fe) onny Chrisna Pandu Pradana; Siti Novridha Andini
Jurnal Penelitian Pertanian Terapan Vol 19 No 3 (2019)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v19i3.1527

Abstract

This research aimed to invstigate the response of paddy culture (B7 strain) assembled by Lampung State Polytechnic to the iron toxicity tolerance. The research was done at Plant Tissue Culture Laboratory, Lampung State Polytechnic, from July to September 2019. Treatments were single arranged in a completely randomized design with three replications. The treatment tried was five levels of Fe concentrations (5,6 ppm 28 ppm, 56 ppm, 84 ppm, 112 ppm, and control). Each replication consisted of three culture bottle containing one explant. The homogenity of data was tested using Barlett test. If the assumption were fulfilled then analysis of variance is executed using STATISTIX 10, and then followed by the Honest Significant Difference (HSD) test in 5% alpha for mean separation and RPA analysis. The result of this research showed that the B7 strain has tolerance to iron toxicity until 56 ppm of Fe concentration, it can be concluded from the PAR value of its strain (>0,50). Meanwhile in  84 and 112 ppm of Fe concentration, the RPA value of B7 starin (<0,50), and it is indicate that its strain is sensitive. 
Analisis Laju Perkecambahan Kacang Tanah (Arachis hypogaea (L.) Merr.) yang Diberikan Kombinasi Perlakuan Suhu dan Lama Perendaman Asap Cair (Liquid Smoke) Basry Yadi Tang; Stormy Vertygo; Abner Tonu Lema; Wahyu Dani Swari
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1482

Abstract

The research aims to get to analyze the effect of temperature and liquid smoke soaking combination on the velocity of peanut germination. Parameters measure were; Mean Germinatin Time (MGT), Mean Germinatin Rate (MGR), Final Germintaion Percentage (GT), Coefficient Velocity Of Germination (CVG), Germination Rate Index (GRI). The treatment combinations used were temperature 250C (1), 300C (2), 350C (3) dan 400C (4) and liquid smoke in which the seeds were soaked for 1 hour (a), 2 hours (b) and 3 hours (c). This resulted in 12 treatment combinations. Results showed that the best treatments were control 1 (K0 250C), control 4 (K0 400C) and 4a (K1 400C), with germination velocity as folows: 1.67 cm.day-1, 1.50 cm.day-1 and 2.00 cm.day-1 respectively . However, it is recommended to use soaking in liquid smoke for an hour (1a) in order to further initiate germination development that could hopefully lead to a much higher peanut crop yield during cultivation.
Kelimpahan Kepik Predator (Hemiptera: Reduviidae) di Daerah Endemik Serangan Ulat Api Pada Perkebunan Kelapa Sawit Rakyat Siska chiko efendi; Yaherwandi Yaherwandi; Maiwil Diratika
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1471

Abstract

Caterpillar fire is classified as the main pests in oil palm plants and are found in almost all oil palm plantations in Indonesia. The caterpillar fire control is currently being directed to biological control by predatory insects. Insects from the Reduviidae family are one of the insects whose members are predators of caterpillar fire. This study aims to (1) identify predatory ladybug species (Hemiptera: Reduviidae) found in endemic areas of caterpillar fire attacks. (2) studying the abundance of predatory ladybugs (Hemiptera: Reduviidae) in areas endemic to fire caterpillar attacks. The research locations were Nagari Panyubarangan, Timpeh district, and Nagari Gunung Selasih, Pulau Punjung district. Identification of sample insects was carried out at the insect Bioecology Laboratory, plant protection department, faculty of Agriculture, Andalas University and campus III land and plant laboratory Dharmasraya from April-July 2018. The sampling of insects uses two methods, namely direct collection, and swing net. In this research, 8 species of predatory ladybugs were found. Of these 8 species, only 3 species preyed on caterpillar fire. Species that prey on fire caterpillars have the highest abundance of Cosmolestes practices as many as 116 individuals and followed by 64 individual Zelus regarding species.  
Studi Keragaman Struktur Morfologi dan Anatomi Petiole (Tangkai Daun) Dari Berbagai Kultivar Pisang Kepok (Musa Paradisiaca L.) Galuh putri anjasmara; Eti Ernawiati; Gina Dania Pratami; Endah Setyaningrum
Jurnal Penelitian Pertanian Terapan Vol 20 No 1 (2020)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v20i1.1496

Abstract

Kepok bananas are one type of banana that is found and used in Indonesia. These bananas contain high nutritional value so they are suitable for use as food ingredients. This study aims to determine the anatomical structure and morphology of petiole from various banana kepok cultivars. These cultivars are: kepok abu, batu, kapas, kuning, Libanon, and Manado. However, Kepok Libanon cannot be found in the previous collection area. The research was conducted in December 2018 to January 2019. The taking of plant samples using the method of exploration and observation of anatomical structures using fresh preparations across the incision and the results were analyzed descriptively. The observation of the structure of morphology of petiole is the largest petiole diameter, namely kepok kapas while the smallest is kepok batu. Kepok batu is the only one that has a canal leaf shape overlaps while  kepok  abu, kapas, kuning, and manado have the leaf shape of a curved canal inside. The fifth color of the kepok banana cultivar is the same which is green. Kepok abu have blackish brown spots while kepok batu, kapas, kuning, and manado have brown spots. The anatomical structure of the petiole includes the xylem diameter, transport tissue, support tissue, basic tissue, and protector tissue. Kepok kapas has the largest xylem diameter while kepok kuning has the smallest xylem diameter. Five kepok banana cultivars, has xylem and phloem transport tissue were clearly seen by the sclerenchyma sheath. Epidermal, parenchymal, and sclerenchymal tissue were clearly seen in the five cultivars.

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