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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 All submitted articles will not be published elsewhere, original and not considered for other publications.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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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.
EFFECT OF CITRICACID ON THE SEEDLING GROWTH OF UPLAND RICE (ORYZA SATIVA L.) VARIETAS SITU BAGENDIT UNDER ALUMINUM STRESS Dwiningrum, Riza; Zulkifli, Zulkifli; Handayani, Tundjung Tripeni
Jurnal Penelitian Pertanian Terapan Vol 16, No 3 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v16i3.48

Abstract

The objective of this research was to know whether soaking of upland rice seed in citric acid solution  could  alleviate  subsequent  growth  of  seedling  under  aluminum  stress.  The experiment was conducted in plant physiologylaboratory, Department of Biology, Faculty of Mathematic and Natural Science, Lampung University on January 2016, and implemented in2 x 3 factorial designs. Factor A was aluminum with two levels: 0 mM, 5 mM and factor B was Citric Acid with three levels: 0Mm, 5Mm, 10Mm. Variables in this research were shoot length, seedling fresh weight, relative water content, and shoot root ratio. Analysis of variance was conducted at 5% significant level. If   interaction factor A and B was not significant, main effect was determine with lsd test at 5% significant level, but if  significant simple effect was determine with F test at 5% significant level. The result showed that interaction beetwen aluminum and citric acid decreased the shoot length 16-31%. Aluminum decreased fresh weight of seedling 11%, relative water content 3%, and shoot root ratio decreased 15%. It was concluded that soaking upland rice seed in citric acid solution was not able to alleviate subsequent growth of seedling under aluminum stress. Keyword: citric acid, aluminum, upland rice, shoot length, seedling fresh weight
DINAMIKA KETENAGAKERJAAN PADA WILAYAH PEDESAAN LAHAN KERING DI INDONESIA Winarso, Bambang
Jurnal Penelitian Pertanian Terapan Vol 14, No 1 (2014)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v14i1.136

Abstract

Indonesian Population increasing, the other side of the jobs that are limited, it is problems. As a country, agraris reality shows that availability of jobs was largely in agriculture sector. Inhabitant of indonesia development increasing while on the other side of the jobs that are limited, it is still problems. Its reality shows that availability of jobs was largely in agriculture sector. This was demonstrated by the source of livelihood largely from agriculture. As we know that in a domicile of agricultural labors being in the region with agroekosystem dryland which is sometimes tinged by the marginal land. Relating to employment been trying to highlight structure labour participation, especially in terms of level good chance and labour force, according to age, level of education, and types of work as well as people in rural areas, mobilization especially in village with agroekosistem dry land. The provinces that being the location where research is Lampung, South Sulawesi East Java, Central Java and West Java. The result showed that viewed from accessibility, job opportunities then accessibility of labor in this area use hasnt job opportunities outside agriculture. If the employment opportunities, the work got generally the same work often they do in the provenance as labor and transport services. Keywords: employment dynamics, rural areas and dryland
POTENSI KUANTITATIF DAN KUALITATIF 10 GALUR UNGGUL BARU PADI JENIS PANDAN WANGI Kartahadimaja, Jaenudin; Syuriani, Eka Erlinda; Apriyani, Marlinda
Jurnal Penelitian Pertanian Terapan Vol 16, No 2 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v16i2.102

Abstract

Rice is a staple food that is very dominant for Indonesia. Production of rice in 2014 asmany as 70,85 million tons of milled rice, 0,61% lower than production in 2013. Oneway to increase production is the use of high yielding varieties. Polinela have toassemble ten new rice lines Pandan wangi species which have superior appearance.The research goal is to test the potential yield and quality of rice ten new rice strains.The study was conducted in Polinela for 6 months. The study was conducted usingRandomized Completely Block Design ( RCBD ).The treatment consisted of ten strainsof rice, is repeated three times. The variables measured were (1) dry milled grainyield per hectare; (2) the levels of amylose and amylopectin. Qualitative variablesmeasured were the texture and the smell of ricewith organoleptic method. Quantitativedata were analyzed by analysis of variance, if there is a difference between thetreatment continued with Test Honestly Significant Difference (HSD) on the real levelof 0.05. Heritability of quantitative variables were observed calculated to estimatewhether the variable-variable controlled bygenetic factors or environment?The resultsshowed the new rice lines Polinela assemblies have a range of potential outcomes ofmilled rice ( GKG ) between 6.47 to 9.79 tonnes/ha,amylose content is low tomoderate, very fluffier texture until fluffier rice.Keywords: yield potential, new rice strains
PENGARUH APLIKASI BEBERAPA KONSENTRASI PACLOBUTRAZOL DAN KOH TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN UBI KAYU (MANIHOT ESCULENTA CRANTZ) Aritonang, Prasasti Dame; Ardian, Ardian; Setiawan, Kukuh
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.v19i3.1047

Abstract

This study aimed to evaluate the effect of paclobutrazol and KOH application through leaf togrowth and production of cassava.  This study was conducted from March 2017 to October 2018 in an Integrated Field Universityof Lampung. The treatmens was arranged factorially (4 x 4) in a complete randomized block design with 4 replications be avowed as group.  The main factor were paclobutrazol consist of P1 = 0 ppm (control, no treatment), P2 = 400 ppm, P3 = 500 ppm and P4 = 600 ppm.  The second factor were KOH consist of K1 = 0% (control, no treatment), K2 =0,5%, K3 = 1% and K4 = 1,5 given a week after paclobutrazol?s application.  This study used cassava cutting varieties of kasesart.  Observation variables were plant height, number of books, number of fresh leaves, fresh weight of leaves, dry weight of leaves, fresh weight of stem, dry weight of stem, fresh weight of tubers, dry weight of tubers.  Data of each treatments were calculated its mean value and tested homogeneity.  Homogeneous data were analyzed variance and followed by the smallest real difference testat level 5%.The study?s result showed that paclobutrazol application had inhibited effect the vegetative growth of plant height, number of nodes, fresh and dry weight of stem cassava plants.  Application of KOH had a significant effect only on number of fresh leave at 13 week after planted.  The interaction of paclobutrazol and KOH treatment had a significant effect on leaf dry weight.   
QUALITY AND FRUIT PRODUCTION IMPROVEMENT USING THE CULTIVATION TECHNOLOGY SYSTEM "TOPAS" IN 12 VARIETIES OF HYBRID WATERMELONS Wahyudi, Anung; Dewi, Ratna
Jurnal Penelitian Pertanian Terapan Vol 17, No 1 (2017)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v17i1.4

Abstract

The quality and production of watermelon in Indonesia is low relatively. We introduced "ToPAS" (toping, pruning, arranging and selection), the innovation of cultivation technology in an effort to improve the quality and production of watermelon. Our study was conducted in State Polytechnic of Lampung yield trials from May~August 2014, and used 12 varieties of hybrid watermelons with randomized block design two factors. The results of variance analyses in "ToPAS" system showed that productivity of watermelon fruit (oval and round type) are higher compared with conventional cultivation systems. We suggested using "ToPAS" system in watermelon cultivation to improve the cultivation technology, increasing quality and production of watermelon fruit. ?ToPAS? also suggested for watermelon breeding program.Key word : cultivation, production, ToPAS, watermelon
KERAGAMAN INTENSITAS SERANGAN HAMA PENGGEREK BUAH KOPI (HYPOTHENEMUS HAMPEI FERRARI) PADA BEBERAPA SENTRA PRODUKSI KOPI ROBUSTA PROVINSI LAMPUNG erfandari, ovy; Hamdani, Hamdani; Supriyatdi, Dedi
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.v19i3.1523

Abstract

Hama penggerek buah kopi (Hypothenemus hampei Ferrari) merupakan salah satu hama utama pada tanaman kopi.  Hama ini dapat menimbulkan kerusakan seperti buah menjadi tidak berkembang, berubah warna menjadi kuning kemerahan dan akhirnya gugur, serta buah berlubang yang pada akhirnya mengakibatkan penurunan kuantitas dan kualitas produksi.  Dalam rangka merumuskan dan menerapkan konsep pengendalian hama H. hampei secara terpadu, informasi keragaman tingkat serangan perlu diketahui agar dapat diprioritaskan dan dipetakan teknik pengendalian yang akan diterapkan.  Oleh karena itu perlu dilakukan penelitian mengenai ?Keragaman Intensitas Serangan Hama Bubuk Buah Kopi (H. hampei) pada Beberapa Sentra Produksi Kopi Robusta Provinsi Lampung.  Penelitian dilaksanakan di Kabupaten Lampung Barat, Tanggamus, Lampung Utara, dan Way Kanan, pada bulan April sampai September 2019.  Pengambilan sampel dilaksanakan dengan metode acak berdasarkan wilayah (Area Random Sampling).  Sampel diambil berdasarkan masa panen pada kecamatan terpilih dalam wilayah kabupaten yang telah ditetapkan.  Pengambilan sampel diulang sebanyak tiga kali.  Pada setiap Kabupaten dipilih tiga petani di tiga kecamatan yang sedang melakukan panen.  Pada tumpukan hasil panen petani terpilih diambil sampel buah kopi dengan menggunakan mangkuk.  Buah kopi yang terambil dihitung jumlah biji berlubang (A) dan tidak berlubang (B).  Kemudian persentase atau tingkat serangan dihitung dengan menggunkan rumus sebagai berikut: 16A A + B x 100%"> .  Pengambilan sampel pada petani terpilih dilakukan tiga kali.  Data hasil penelitian diolah dengan sidik ragam menggunakan uji Fisher. Nilai tengah perlakuan dibandingkan dengan uji BNT dengan a = 0,05.  Selain itu dihimpun data suhu serta tinggi tempat lokasi penelitian yang bersumber dari BMKG Lampung, kemudian dilakukan analisis regresi untuk mengetahui kecenderungan hubungan tingkat serangan dengan tinggi tempat serta suhu lingkungan.
RANTAI PASOK BROKOLI DI KECAMATAN LEMBANG KABUPATEN BANDUNG BARAT DENGAN PENDEKATAN FOOD SUPPLY CHAIN NETWORKS Yolandika, Clara; Nurmalina, Rita; Suharno, Suharno
Jurnal Penelitian Pertanian Terapan Vol 16, No 3 (2016)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v16i3.93

Abstract

This study aims to determine the condition of the supply chain broccoli in the district ofBandung Lembang district west to approach food supply chain networks ( FSCN ). Thisresearch will be carried out in the CV . Yan's Fruits and Vegetable in Lembang district ,West Bandung regency, West Java. This study requires an approach to qualitative andquantitative methods for treating primary and secondary data . To analyze the supply chainqualitative and quantitative data required by the framework of the Food Supply ChainNetworking (FSCN) of Lambert and Cooper (2000) as modified by Vorst (2006).Results from this study is the condition of supply chain broccoli in Lembang district WestBandung regency based approach is the Food Supply Chain Networks as seen from thetarget supply chain, the structure of the supply chain, the entity supply chain, supply chainmanagement, resource supply chain, and business processes of supply chain is alreadyintegrated well.Keywords: Broccoli, FSCN, Supply Chain
UJI EFEKTIVITAS PUPUK ORGANONITROFOS DAN KOMBINASINYA DENGAN PUPUK KIMIA TERHADAP PERTUMBUHAN, SERAPAN HARA DAN PRODUKSI TANAMAN JAGUNG MANIS (ZEA MAYS SACCHARATA ) DI MUSIM TANAM KETIGA PADA TANAH ULTISOL GEDUNG MENENG Sari, Eka Purnama; Lumbanraja, Jamalam; Buchari, Henrie; Niswati, Ainin
Jurnal Penelitian Pertanian Terapan Vol 15, No 3 (2015)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v15i3.127

Abstract

Organonitrofos fertilizer is organic fertilizer derived from cow manure enriched with rock phosphate and microbial activity involves fastening N and phosphate newly developed solvent. This study aimed to determine dose combination Organonitrofos fertilizers and inorganic fertilizers are most effective against the growth, nutrient uptake, and yield of sweet corn. This research was conducted in November 2012 until March 2013 in the Integrated Field Laboratory, University of Lampung using Random Design (RBD) consisting of 6 treatments with 3 groups. Treatment A (control), B (300 kg Urea ha-1, 200 kg of SP-36 ha-1, 100 kg of KCl ha-1), C (225 kg Urea ha-1, 150 kg SP-36 ha-1, 75 kg KCl ha-1, 1000 kg Organonitrofos ha-1), D (150 kg Urea ha-1, 100 kg of SP-36 ha-1, 50 kg of KCl ha-1, 1,500 kg Organonitrofos ha-1), E (Urea 75 kg ha-1, SP-36 50 kg ha-1, 25 kg ha-1 KCl, Organonitrofos 2000 kg ha-1), F (3,000 Organonitrofos kg ha-1). The results showed that treatment at a dose of 150 kg of urea ha-1, SP-36 100 kg ha-1, 50 kg ha-1 KCl, Organonitrofos 1500 kg ha-1 is able to increase the growth, production and sweet corn crop nutrient uptake. This treatment was also the most effective treatment of the total biomass of sweet corn plants based on calculations Relative Agronomic Effectivenes (RAE) that is equal to 108.573%. Economical test results showed that treatment at a dose of 300 kg of urea ha-1, SP-36 200 kg ha-1, 100 kg ha-1 KCl most economical compared to other treatments. Keywords: sweet corn, the combination of fertilizer, organonitrofos, nutrient uptake
PENGARUH KONSENTRASI NITROGEN DAN PLANT CATALYST TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA (LACTUCA SATIVA L.) SECARA HIDROPONIK Warganegara, Gorendva R.; Ginting, Yohanes Cahya; Kushendarto, Kushendarto
Jurnal Penelitian Pertanian Terapan Vol 15, No 2 (2015)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v15i2.116

Abstract

Lettuce (Lactuca sativa L.) is a vegetable plant which consumption in fresh form. Color, texture, and aroma lettuce can beautify also be an ornamental dish of food. Request lettuce until now has not met its full potential, it is because there are obstacles in cultivation that influence the quality and production results. One technique that can be used in the cultivation of lettuce ie hydroponic. The purpose of this study was to: (1) To know the effect of Catalyst Plant on growth and yield of plants in hydroponic lettuce, (2) To know the effect of the concentration of nitrogen on the growth and yield of plants in hydroponic lettuce, (3) To determine the concentration of nitrogen in response to the liquid fertilizer Catalyst Plant. This study uses a randomized group design perfect (RKTS) arranged factorial (5x2) with three replications. The first factor is the nitrogen concentration of 200 ppm, 225 ppm, 250 ppm, 275 ppm, 300 ppm supplied from planting as much as 3 times a day. The second factor is the provision of liquid fertilizer Catalyst Plant (P1) and without giving liquid fertilizer (P0) with a concentration of 2 g / L of water. Interval application of liquid fertilizer once a week until harvest time. Data were analyzed by analysis of variance to investigate the influence of the treatment applied. If there are significant between the treatment continued with the separation of the middle value of Orthogonal polynomial at 5%. Of the two factors obtained 10 combined treatment with 3 replications and obtained 30 experimental units. Each experimental unit planted two plants, so that the overall use of 60 trial plants Catalyst Plant liquid fertilizer application resulted in better plant growth compared without giving liquid fertilizer. Increased nitrogen concentration of 25 ppm, the concentration of 250-300 ppm improve the growth of plant height of 0.02 cm, 0.01 cm long roots, and plant fresh weight of 0.03 grams (11:12%). There are a response to the nitrogen concentration of liquid fertilizer Catalyst Plant . Keywords: Grand Rapid lettuce, hydroponics, Catalyst Plant, the concentration of nitrogen

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