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Jurnal Penelitian Pertanian Terapan

JPPT
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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 All submitted articles will not be published elsewhere, original and not considered for other publications.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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Identifikasi Kandungan Logam Timbal (Pb) Pada Buah Nangka (Artocarpus Heterophyllus) Di Media Jalan Kota Bandar Lampung Wicaksa, Rama; Setiawan, Agus; Yuwono, Slamet Budi; Bakri, Samsul
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Lead (Pb) is a heavy metal that naturally exists in the earth's crust and diffuses in small amounts through natural and artificial processes. This study aims to determine the amount of lead contained in the fruit jackfruit (Artocarpus heterophyllus) in the median street Bandar Lampung City. To know the factors that affect the lead content of jackfruit (Artocarpus heterophyllus) is done regression analysis. Research shows that the lead content of the jackfruit (Artocarpus heterophyllus) in the median of Bandar Lampung City road has exceeded the consumption limit, besides the factors affecting the lead content of the jackfruit (Artocarpus heterophyllus) to be the tree season, the geometry of the bend, the topography of the incline and the derivative.

Eksplorasi dan identifikasi Jamur Patogen Serangga di Rhizosfer Lahan Kering Kabupaten Malang Agastya, I Made Indra; Ameliawati, Presti; Fikrinda, Wahyu
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This research was conducted by exploring insect pathogen in rhososphere of dry field of sugar cane of Malang Regency. The purpose of this research is to study the diversity of isolate insect pathogen in rhososphere of sugar cane plant in dry land of Malang Regency. Exploration activities of insect pathogens are carried out by isolating insect pathogens in dry land of sugarcane plant rhizosphere. Rizosphere soil sampling method using composite sampling technique is by taking diagonal soil samples at five points as deep as 5-10 cm, as much as 200 g at each sample point and isolation of insect pathogen type fungus using baiting method. The soil samples from the field were placed evenly over the petri dish. The soil above the petri dish is moistened and then the larvae of T miltor are placed for incubation for 48 hours. After 48 hours of dead larvae there will be a sign of an insect pathogenic fungus in the form of white hyphae on the surface of the T milter body. The marked larvae were then cultured on PDA media to be purified and identified morphologically, by looking at the color of hyphae. Observation miscroscopically using Burnet and Hunter determinations. Exploration and identification results found four specimens of fungi with Aspergilus sp species, Trichoderma sp, Beuveria sp, and Metharizium sp

PENGGUNAAN METODE SOFT INDEPENDENT MODELLING OF CLASS ANALOGY DAN UV-VIS SPECTROSCOPY UNTUK MEMBEDAKAN KOPI BUBUK ROBUSTA ASAL JAWA DAN SUMATERA SECARA CEPAT Suhandy, Diding
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Penelitian ini merupakan aplikasi penggunaan metode UV-VIS spectroscopy dan SIMCA untuk membedakan kopi bubuk robusta asal Sumatera dan Jawa. Pengambilan spektra sampel larutan kopi yang sudah disaring dan diencerkan, dilakukan dengan menggunakan UV-VIS spectrometer (Genesys™ 10S UV-Vis, Thermo Scientific, USA). Model SIMCA dibangun untuk masing-masing kelas yaitu model SIMCA kopi robusta Sumatera dan model SIMCA kopi robusta Jawa. Hasil prediksi menunjukkan bahwa seluruh sampel prediksi berhasil dikelompokkan secara benar sesuai dengan kelasnya masing-masing menggunakan model SIMCA yang dibangun, kecuali sampel S14aPA yang gagal dikelompokkan sebagai kopi robusta Sumatera. Berdasarkan hasil analisis plot discriminant power diperoleh kesimpulan bahwa secara umum kontribusi panjang gelombang antara 200–350 nm lebih tinggi dibandingkan dengan panjang gelombang 350–600 nm. Beberapa panjang gelombang dengan kontribusi sangat tinggi (nilai discriminant power tinggi) dan terlihat sebagai puncak pada plot adalah 245 nm, 253 nm, 264 nm, 316 nm dan 327 nm.

Dekafeinasi Menggunakan Metode Ultraviolet-Visible Spectroscopy dan PLS-DA Yulia, Meinilwita; Asnaning, Aniessa Rinny; Suhandy, Diding
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This present research is an application of UV-VIS spectroscopy and SIMCA method to distinguish robusta ground roasted coffee from Sumatera and Java. Spectral data measurement of the filtered and diluted aqueous coffee samples was performed using a UV-VIS spectrometer (Genesys ™ 10S UV-Vis, Thermo Scientific, USA). SIMCA model was constructed for each class, SIMCA model of Sumatera robusta coffee and SIMCA model of Java robusta coffee. Prediction results show that all predictive samples are successfully grouped correctly according to their classes using the developed SIMCA model, except for S14aPA sample that fail to be classified as robusta coffee of Sumatra. Based on the results of the discriminant power plot analysis, it is concluded that in general the contribution of wavelengths between 200-350 nm is higher than that of the wavelength between 350-600 nm. Several wavelengths with very high contribution (high discriminant power value) and seen as peaks on the plot are 245 nm, 253 nm, 264 nm, 316 nm and 327 nm.

Pengaruh Komposisi Kompos Baglog Terhadap Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Burhan, Badri; Proyogo, Riski
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Onions are commodities that have high economic value. Demand for shallots continues to increase along with population growth. The use of appropriate planting media will determine growth and yield. In general, a good growing media is a medium of fertile soil, rich in organic matter, availability of nutrients in sufficient quantities, and the ratio of air and water contained in it is balanced. The purpose of this study was to determine the effect of doses of baglog compost (oyster mushroom waste) on the growth and production of shallots. The research was carried out in polybags in the Bandar Lampung experimental plot. The 4-month research period starts from November 2016 to February 2017. The research method used a Randomized Block Design (RBDD) with five replications. The composition of baglog compost with volume consists of six levels: K0 = control treatment; K1 = ground: baglog (3: 1); K2 = land: baglog (2: 1); K3 = ground: baglog (1: 1); K4 = land: baglog (1: 2); and K5 = ground: baglog (1: 3). Research results: (a). Application of compost doses on soil treatment of 50%: baglog 50% has a significant effect on higher growth and production, namely on variable plant height = 53.57 cm; number of tubers = 5.40 pieces; tuber weight = 31.53 grams; and tuber diameter = 2.05 cm. While the application of baglog compost with a composition of 67% of land: 33% of baglog gives a real effect on the variable number of leaves is greater as many as 13 strands, and the wet weight of onion is 48.10 grams. Composition of baglog soil compost 33%: baglog 67% and soil 25%: baglog 75% shows low parameter results. In the treatment of 33% of land: 67% compost bagasse and 25% soil: baglog compost 75%) the intensity of fusarium wilt attacks reached 14.67%, and 35%. The greater the amount of baglog given to the planting media allows the growing media to store more water and the higher soil moisture.

KELAYAKAN FINANSIAL USAHA PENGOLAHAN UBI KAYU MENJADI TIWUL INSTAN DI KABUPATEN LAMPUNG TIMUR. Mardliyah, Ainul; Supriyadi, Supriyadi
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Penelitian ini bertujuan untuk : 1) Mengetahui kelayakan usaha pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur, 2) Mengetahui pendapatan pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur. Metode yang digunakan untuk tujuan pertama menggunakan analisis finansial seperti NPV, IRR, Payback Period (PP), Net B/C Ratio, dan BEP. Untuk tujuan kedua menggunakan analisis pendapatan. Lokasi penelitian di KWT Tani Hidup Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur. Hasil penelitian dapat disimpulkan sebagai berikut : 1) Usaha pengolahan ubi kayu menjadi tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur sudah layak dikembangkan dan menguntungkan bila dilihat dari kelayakan finansial, yaitu: Dari sisi Net Present Value (NPV), usaha layak dengan nilai NPV positif yaitu sebesar Rp 38.118.538, Internal rate of return (IRR) sebesar 98%, Gross Benefit Ratio (Gross B/C) sebesar 1,71, Net B/C sebesar 3,92, Profitability ratio (PR) sebesar 1,69, Payback period (PP) sebesar 0,1, dan BEP sebesar 1,31. 2) Pendapatan usaha tiwul instan (KWT Tani Hidup) di Desa Wonosari Kecamatan Pekalongan Kabupaten Lampung Timur dalam satu bulan sebesar Rp. 4.460.083/bulan.

Analysis of Chemical Characteristic of Casava Flour from Klenteng and Casessart (UJ5) Varieties Novitasari, Erliana; Arief, Ratna Wylis
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

The technology of cassava flour modification has been researched and developed. Biological change by using BIMO-CF containing lactic acid bacteria is a practical technology that is easy to apply in the production of cassava flour. This research was conducted from May until August 2017 at Agrosains Park Natar with the aim to know the chemical characteristics of cassava flour from Klenteng and Casessart varieties. Observation parameters included analysis of moisture content, ash content, fat content, protein content, fiber content, total carbohydrate content, starch content, HCN content, and white degree at THP Polytechnic State Laboratory of Lampung. The results showed that the highest yield was produced by cassava flour from casessart variety with the addition of BIMO-CF were 23.11%. The water content of cassava flour produced ranged between 8.02-9.19%, by the quality requirements of SNI. The lowest ash content was cassava flour from casessart variety (1.19%) without the addition of starter. The addition of starter increased the protein content of cassava flour both of Klenteng variety (0.47%) and Casessart variety (1.11%), decreasing the fiber content for Klenteng variety (0.67%) and Casessart variety (0.90%). The amount of fat contained in cassava flour produced ranged from 0.69 to 0.87%. Carbohydrate content (Klenteng variety was 88.49%, and Casessart variety was 87,69%) and starch content (Klenteng variety was 85,98%, and Casessart variety was 84,83%), cassava flour with the addition of starter higher than cassava flour without the addition of starter. All of the cassava flour produced has HCN levels below the maximum limit (0.0216-0.0293%), while the degree of white (> 80%) has not met the quality requirements of SNI.

Kinerja Irigasi Tetes Tipe Emiter Aries Pada Tanaman Pisang Cavendhis Di Pt Nusantara Tropical Farm Idrus, Muhamad; Velthuzend, Andre; Kuswadi, Didik; Suprapto, Suprapto; Darmaputra, I Gde
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

Penelitian telah dilaksanakan di PT Nusantara Tropocal Farma (NTF) di Jepara Desa Margo Sakti, Kecamatan Labuhan Ratu, Kabupaten Lampung Timur dari Februari sampai April 2015. Tanaman yang dibudidayakan di PT NTF yaitu pisang Cavendish, nenas, jambu biji kristal, dan buah naga. Sistem irigasi yang digunakan untuk mengairi pisang Cavendish adalah irigasi tetes tipe emiter Aries. Metode penyiraman yang digunakan dengan menggunakan sistem irigasi tetes pada tanaman pisang Cavendish yaitu metode penyiraman silang dan blok.Tujuan dari penelitian yaitu menentukan kinerja sistem irigasi tetes pada tanaman pisang Cavendish dengan menggunakan dua metode penyiraman. Indikator kinerja sistem irigasi meliputi efisiensi penyaluran, koefisien keseragaman air, lama waktu irigasi, dan jumlah pemakaian bahan bakar mesin pompa.Hasil penelitian menunjukkan bahwa efisiensi penyaluran irigasi tetes dengan metode penyiraman silang sebesar 90,2% dan 80,0% dengan metode penyiraman blok. Koefisien keseragaman air irigasi dengan metode penyirman silang sebesar 87,55% tergolong baik dan 97,10% tergolong sangat baik dengan metode penyiraman blok. Jumlah pemakaian BBM solar untuk luas 10,46 ha dengan metode penyiraman silang sebesar 29,49 l dan 40,52 l dengan metode peyiraman blok.

Adaptation of Tea Seeds (Camellia Sinensis L.) Lowland Based on Physiological Characteristics and Growth at Suboptimal Temperatures Gusta, Adryade Reshi; Syofian, Mirodi; Supriyatdi, Dedi
Jurnal Penelitian Pertanian Terapan Vol 18, No 1 (2018)
Publisher : Politeknik Negeri Lampung.

This study aims to determine the best clone species and the best dosage of Salvinia natans compost on the growth and physiological character of lowland tea. This study aims to determine the best types of clones and dosage of Salvinia natans compost for growth and physiological character of lowland tea. This study used a randomized block design experiment with three replications arranged in factorial 2x4. The first factor is a type of clones consists of two (2) levels, namely: Gambung 6 (G1) and Gambung 7 (G2). The second factor is the dosage of Salvinia natans compost with topsoil 100% (K0), topsoil and Salvinia natans compost comparison by1: 1(K1), topsoil and Salvinia natans compost comparison by2: 1(K2), dan topsoil and Salvinia natans compost comparison by3: 1(K3). All data were analyzed for the variance. Analysis followed by separation of means using LSD test with significance level of 5%. The results showed that the clones of Gambung 7 showed the higher value for observation variability in higher growth of seedlings (40,75) and better dry weight(10,78 g). Topsoil planting medium comparison by Salvinia natans compost (1: 1) showed the higher value for observation variability in higher growth of seedlings (42,25) and better dry weight (10,95 g). So, the conclusion is Gambung 7 for the best clone species on the growth and physiological character of lowland tea. The best dosage of Salvinia natans compost on the growth and physiological character of lowland tea is topsoil planting medium comparison by Salvinia natans compost (1: 1).

Analisis Jalur Respons Hasil Kedelai (Glycine max (L.) Merr.) Varietas Unggul Nasional Terhadap Dua Cara Pemberian Kombinasi Pupuk Npk Timotiwu, Paul Benyamin; Nurmiaty, Yayuk; Pramono, Eko; Kusuma, Yosep Riando
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Path analysis is one of the causal analysis and is an advanced analysis of correlation and regression studies. Path analysis is the development of correlation analysis that explains the closeness of the relationship between characters by way of outlining correlation coefficients into direct and indirect effects. This research was aimed to obtain information on the direct and indirect effects of agronomic characteristics on the production. This research uses Siti Maysaroh research data entitled “The Effect of NPK Fertilizer on the Growth and Production of Four Soybean Varieties (Glycine max (L.) Merr)”. The data that have been obtained will then be analyzed using path analysis method. Data is analyzed using Microsoft excel program. The results of this study show the difference between the two models, namely: on the way of fertilizer feeding two variables that directly affect the yield of soybean production is the weight of 100 grains, whereas on the way of giving a one-time fertilizer variable that directly affects the yield of soybean production is the number of pod.

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