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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 All submitted articles will not be published elsewhere, original and not considered for other publications.
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Articles 13 Documents
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Search results for , issue "Vol 18, No 2 (2018)" : 13 Documents clear
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.827 KB) | DOI: 10.25181/jppt.v18i2.824

Abstract

Bawang adalah komoditas yang memiliki nilai ekonomi tinggi. Permintaan bawang merah terus meningkat seiring pertumbuhan populasi. Penggunaan media tanam yang tepat akan menentukan pertumbuhan dan hasil panen. Secara umum media tanam yang baik adalah media tanah yang subur, kaya akan bahan organik, ketersediaan nutrisi dalam jumlah cukup, dan rasio udara dan air yang terkandung di dalamnya seimbang. Tujuan dari enelitian ini adalah untuk mengetahui pengaruh dosis kompos baglog (limbah jamur tiram) terhadap pertumbuhan dan hasil produksi tanaman bawang merah. Penelitian telah dilakukan di polybag di petak percobaan, di Jl. Bypass Raya no. 24, Rajabasa Bandar Lampung. Periode penelitian 4 bulan dimulai dari bulan November 2016 sampai Februari 2017. Metode penelitian menggunakan Rancangan Acak Kelompok (RAKL) dengan lima ulangan. Komposisi kompos baglog dengan volume terdiri dari enam tingkatan: K0 = perlakuan kontrol; K1 = ground: baglog (3: 1); K2 = tanah: baglog (2: 1); K3 = ground: baglog (1: 1); K4 = tanah: baglog (1: 2); dan K5 = ground: baglog (1: 3). Kesimpulan penelitian: (a). Penerapan dosis kompos pada perlakuan K3 (baglog 50%: soil 50%) berpengaruh signifikan terhadap pertumbuhan dan produksi yang lebih tinggi yaitu pada variabel tinggi tanaman = 53,57 cm; jumlah umbi = 5,40 buah; berat bohlam = 31,53 gram; dan diameter umbi = 2,05 cm. Sedangkan pada aplikasi kompos baglog dengan komposisi K2 (baglog 33%: 67% tanah) memberikan efek nyata terhadap variabel jumlah daun lebih besar yaitu sebanyak 13 helai, dan berat basah bawang putih bawang putih adalah 48,10 gram. Komposisi kompos Baglog dengan komposisi K4 (komplek 33% tanah: baglog kompos 67%) dan K5 (tanah 25%: kompos baglog 75%) menunjukkan hasil parameter rendah. Pada perlakuan K4 dan K5 Intensitas serangan layu fusarium mencapai 14,67%.     
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.827 KB) | DOI: 10.25181/jppt.v18i2.899

Abstract

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 variables that directly affect the yield of soybean production is the number of pod 
Efikasi Herbisida Isopropilamina Glifosat Dalam Mengendalikan Gulma Perkebunan Karet (Hevea Brasiliensis) Belum Menghasilkan Pamungkas, Hendi; Sembodo, Dad R.J.; Evizal, Rusdi; Pujisiswanto, Hidayat
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.827 KB) | DOI: 10.25181/jppt.v18i2.596

Abstract

Karet (Hevea brasiliensis) merupakan tanaman perkebunan penting di Indonesia karena produknya digunakan sebagai bahan baku industri karet dan sumber devisa negara. Keberadaan gulma pada lahan karet menyebabkan terjadinya persaingan sarana tumbuh dan mempengaruhi pertumbuhan tanaman karet. Salah satu bahan aktif herbisida yang umum digunakan untuk mengendalikan gulma pertanaman karet TBM adalah isopropilamina glifosat. Penelitian ini bertujuan untuk (1) mengetahui dosis herbisida isopropilamina glifosat yang efektif mengendalikan gulma pada pertanaman karet TBM, (2) mengetahui perubahan komposisi gulma akibat aplikasi herbisida isopropilamina glifosat, (3) mengetahui apakah terjadi fitotoksisitas tanaman karet akibat aplikasi herbisida isopropilamina glifosat. Penelitian ini dilakukan di kebun karet rakyat di desa Marga Agung, Kecamatan Jati Agung, Kabupaten Lampung Selatan dan Laboratorium Gulma Fakultas Pertanian Universitas Lampung pada November 2016 hingga Maret 2017. Penelitian ini menggunakan rancangan acak kelompok (RAK) dengan empat ulangan dan enam taraf perlakuan yaitu dosis herbisida isopropilamina glifosat 796,5 g/ha (P1), 1062 g/ha (P2), 1327,5 g/ha (P3), 1593 g/ha (P4), penyiangan mekanis (P5), dan tanpa pengendalian/control (P6). Homogenitas ragam data diuji dengan uji Bartlett, additivitas data diuji dengan uji Tukey, dan perbedaan nilai tengah perlakuan diuji dengan uji Beda Nyata Terkecil (BNT) pada taraf 5%. Hasil penelitian menunjukkan bahwa: (1) herbisida isopropilamina glifosat dosis 796,5 – 1593 g/ha efektif mengendalikan gulma total, gulma rumput hingga 12 MSA dan gulma teki hingga 4 MSA, serta dosis 1593 g/ha efektif mengendalikan gulma daun lebar hingga 8 MSA, (2) dosis 1327,5 – 1593 g/ha efektif mengendalikan gulma Ottochloa nodosa hingga 12 MSA dan Commelina diffusa hingga 4 MSA, (3) dosis 796,5 – 1593 g/ha efektif mengendalikan gulma Cyperus brevifolius hingga 4 MSA, serta dosis 1593 g/ha efektif mengendalikan gulma Asystasia gangetica hingga 8 MSA, (4) dosis 796,5 – 1593 g/ha menyebabkan terjadinya perubahan komposisi gulma pada 4, 8, dan 12 MSA, (5) dosis 796,5 – 1593 g/ha tidak meracuni tanaman karet. Kata kunci: Gulma, herbisida, isopropilamina glifosat, karet
Aplikasi Kompos dan Arang Aktif Sebagai Bahan Amelioran di Tanah Berpasir Terhadap Pertumbuhan Tanaman Caisim (Brassica juncea L.) Priyadi, Priyadi; Jamaludin, Jamaludin; Mangiring, Windu
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (22.827 KB) | DOI: 10.25181/jppt.v18i2.675

Abstract

Salah satu upaya dalam pemanfaatan tanah berpasir adalah dengan menambahkan bahan amelioran. penambahan bahan amelioran dapat menggunakan kompos yang berperan penting dalam meningkatkan sifat fisik, kimia dan biologi tanah.  Tujuan dari penelitian ini untuk mengetahui pengaruh kompos dan arang aktif sebagai bahan amelioran pada tanah berpasir terhadap pertumbuhan tanaman sawi (Bressica juncea L). Penelitian dilaksanakan di Rumah Kaca STIPER Dharma Wacana Metro, sedangkan analisis tanah dilakukan di laboratorium Balai Penelitian Tanah Taman Bogo Lampung. Rancangan penelitian menggunakan rancangan acak kelompok (RAK) dengan 4 perlakuan dan 3 ulangan. Parameter yang diamati pada tanaman adalah berat basah dan berat kering tanaman dilakukan pada akhir setelah panen dipanen. Sedangkan parameter sifat tanah yaitu pH, kadar air, N-Total, dan C-organik. Hasil penelitian menunjukkan penggunaan bahan amelioran dalam bentuk arang aktif dan kompos dapat memperbaiki sifat tanah berpasir yang ditunjukkan dengan peningkatan pH, kadar air, C-organik, dan N-total. Pengaruh pertumbuhan tertinggi ditunjukkan pada perlakuan PK yaitu 9.86 gram. Sedangkan pada pertumbuhan akar tanaman tertinggi ditunjukkan pada perlakuan PKA sebesar 1.07 gram. Secara umum penggunaan amelioran pada penelitian ini memberikan pengaruh yang baik terhadap perubahan sifat tanah berpasir dan pertumbuhan pada tanaman caisim.
Efikasi Herbisida Isopropilamina Glifosat Dalam Mengendalikan Gulma Perkebunan Karet (Hevea Brasiliensis) Belum Menghasilkan Pamungkas, Hendi; Sembodo, Dad R.J.; Evizal, Rusdi; Pujisiswanto, Hidayat
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (423.129 KB) | DOI: 10.25181/jppt.v18i2.1071

Abstract

Rubber (Hevea brasiliensis) is an important plantation crop in Indonesia because its products are used as raw material for rubber industry and source of stock-exchange. The existence of weeds on the rubber land causes competition of growing facilities and affect the growth of rubber plants. One of the most common herbicide active ingredients that used to control immature plant weeds is isopropylamine glyphosate. This research aims to (1) find out the dose of isopropylamine glyphosate herbicide that effectively control weeds in immature rubber cultivation, (2) to know the change of weed’s composition due to the application of isopropylamine glyphosate herbicide, (3) to know whether the phytotoxicity of rubber plants occurs due to isopropylamine glyphosate herbicide application. This research was conducted in smallholder rubber plantation in Marga Agung Village, Jati Agung Subdistrict, South Lampung Regency and Weed Laboratory of Agriculture Faculty of Lampung University from November 2016 until March 2017. This research used randomized block design (RAK) with four replicates and six treatment levels dose of herbicide isopropylamine glyphosate herbicide 796,5 g/ha (P1), 1062 g/ha (P2), 1327.5 g/ha (P3), 1593 g/ha (P4), mechanical weeding (P5), and without restraint/control (P6). The homogeneity of various data was tested by Bartlett test, the data additivity was tested by Tukey test, and the difference of median treatment was tested by Least Significant Different (LSD) test at 5% level. The results showed that: (1) isopropylamine glyphosate herbicide dose 796,5 – 1593 g/ha effectively controlling total weeds, grass weeds up to 12 weeks after application and nut grass weeds up to 4 weeks after application, and dose 1593 g/ha effectively controlling leaf weeds up to 8 weeks after application, (2) dose 1327,5 – 1593 g/ha effectively controlling Ottochloa nodosa weeds up to 12 weeks after application and Commelina diffuse up to 4 weeks after application, (3) dose 796,5 – 1593 g/ha effectively controlling Cyperus brevifolius weeds up to 4 weeks after application, and doses of 1593 g/ha effectively controlling Asystasia gangetica weeds up to 8 weeks after application, (4) doses of 796,5 – 1593 g/ha resulted in changes in weed’s composition at 4, 8, and 12 weeks after application, (5) doses 796,5 – 1593 g/ha does not poison the rubber plant.
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (637.456 KB) | DOI: 10.25181/jppt.v18i2.684

Abstract

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.
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (372.833 KB) | DOI: 10.25181/jppt.v18i2.760

Abstract

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. 
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.919 KB) | DOI: 10.25181/jppt.v18i2.1068

Abstract

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.
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.

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (615.5 KB) | DOI: 10.25181/jppt.v18i2.1070

Abstract

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.
Response of Growth and Results of Sweet Corn Plants (Zea mays Saccharata Sturt.) To the Effect of Dosage and Time of Fertilizing Bio-slurry Liquid Fertilizers Oktavia, Vina; Pujisiswanto, Hidayat; Edy, Akari; Andalasari, Tri Dewi
Jurnal Penelitian Pertanian Terapan Vol 18, No 2 (2018)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v18i2.1237

Abstract

The study aimed to was determine the effect of dose and time of fertilization bio-slurry liquid fertilizer on the growth and yield of sweet corn was held in Tanjung Laut, Fajar Baru village, Jati Agung district, South Lampung regency in October 2016 to January 2017. In this study used Randomized Block Design (RBD) with factorial treatment design (4 x 2) with three replications. The first factor was the dose of bio-slurry liquid fertilizer consisted 4 levels were 0, 25, 50, and 75 l/ha. The second factor was the fertilization time consisted of 2 levels were (2 and 4 MST) and (2, 4, and 6 MST). Variance of homogeneity was tested by Bartlett's test, if the assumptions were met, the data were analyzed by variance using F-test. The difference of median value of treatment will be tested by the Least Significance Difference Test (LSD) at 5% level. The results showed that the treatment of several doses of bio-slurry liquid fertilizer has an effect on the length of cob, while the treatment of some fertilization time has an effect on dry weight variables. However, the treatment of some dose levels and fertilization time of bio-slurry liquid fertilizer has not been able to increase growth and yield. Proper fertilization time does not depend on the dose of bio-slurry liquid fertilizer given in influencing the growth and yield of sweet corn crops.

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