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Yan Sukmawan
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ysukmawan@polinela.ac.id
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INDONESIA
Jurnal Agro Industri Perkebunan
ISSN : 23379944     EISSN : 25489259     DOI : -
Core Subject : Agriculture,
Jurnal Agro Industri Perkebunan is a peer reviewed journal that mediate the dissemination of researchers in plantation production, plantation science, plant pests or disease-plant crops, and plantation management. The journal is published by Jurusan Budidaya Tanaman Perkebunan (Estate Crop Department), Politeknik Negeri Lampung (State Polytechnic of Lampung). The purpose of Editorial is to provide a forum exchange and an interface between researchers and practitioners in any field of agriculture.
Arjuna Subject : -
Articles 6 Documents
Search results for , issue " Volume 3 No. 1, Mei 2015" : 6 Documents clear
Penggunaan Asap Cair dan Arang Aktif Tempurung Kelapa pada Mutu Karet Krep Martrias, Dina; Edison, Rachmad; Supriyatdi, Dedi
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (84.214 KB) | DOI: 10.25181/aip.v3i1.14

Abstract

Rubber (Hevea brasiliensis Muell. Arg.) is one of  important agriculture comodity on Indonesia. Wide area of Indonesia rubber agriculture on 2013 are 3,5 million hectares. With 3,2 million tones production maked Indonesia at second level ocupasi because low quality of block rubber. This research objective are getting liquid smoke dosage and active carbon as latexs coagulant. Research used randomized  completely block design (RCBD) with 12 treatments and repeat 3 times. Liquid smoke dosage with 1:1 dilution and 2,60 pH are 6%, 8%, 10% and active carbon dosage 1% and 2% with formiat acid as a control. Latek coagulating process rubber production and rubber crepe quality testing suitable with SIR did in procesing factory and SIR quality testing laboratory Way Berulu PTPN VII, Pesawaran, Lampung. This research carried out November 2014 until  January 2015. The results of this research showed more high liquid smoke dosage and active carbon from coconut shell can effect time of lateks coagulation fasier in 4,8 minutes. More high dosage of liquid smoke and active carbon treatment effected decrease of PRI and increase of latex waste level, dust level and evaporate substance level. Liquid smoke with 1:1 dilition and active carbon from coconut shell as latex coagulant showed dust level higher, so the latex are not suitable with SIR. The higher value because tar composition of liquid smoke from coconut shell.Keywords: active carbon coconut shell, liquid smoke, rubber crepe qualityPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/14
Pengaruh Konsentrasi Stimulan dan Intensitas Sadap pada Produksi Lateks Tanaman Karet Seedling (Hevea brasiliensis Muell. Arg.) Muhtaria, Charles; Supriyatdi, Dedi; Rofiq, Muhammad
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.936 KB) | DOI: 10.25181/aip.v3i1.19

Abstract

The lacks of national latex productivity caused by most of rubber trees (85%)managed by folks plantations which have low productivities. Good management and performance of cultivation needs for increase latex productivity, mainly in tapping process. The purpose of this research was to study about effects of ethepon stimulant application on seedling rubber trees,determine the proper tapping intensity, and to find out interaction between stimulant applications with tapping intensitytowards seedling rubber trees.The study have been done during 3 months from September to November 2014 using Randomized Complete Block Design (RCBD) factorial with 2 factor. The first factor wasstimulant concentration (C) with 2 stage, C0 = without stimulant application and C1 = stimulant application as recommended rate. The second factor wastapping intensity (I) with 3 stage. I1= once every two days, I2= once every 3 days, and I3= once every 4 days.Thus obtained 6 treatment combinationwith 4 repeats. The study result shows that the latex and dry rubber production towards seedling rubber trees could be increased by stimulant application, tapping intensity did not give effect on increasing latex volume and dry rubber production, and there is no interaction between stimulant applications with tapping intensity.Keywords: latex production, seedling rubber trees,stimulant, tapping intensityPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/19
Pengaruh Penggunaan Kompos Pelepah Kelapa Sawit dengan Berbagai Mikroorganisme Lokal (MoL) dan Cara Aplikasinya terhadap Sifat Fisik Tanah dan Produksi Tembakau (Nicotiana tabacum L.) Sinaga, Aviv Event Adviadri; Subiantoro, Rijadi; Fatahillah, Fatahillah
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (104.94 KB) | DOI: 10.25181/aip.v3i1.15

Abstract

Organic fertilizer has the advantage of containing nutrients more complete than the inorganic fertilizer albeit in relatively small quantities. In general, organic fertilizers may contribute to improve the physical, chemical, and biological soil. Peneltian purpose compost To determine the effect of palm fronds on the physical properties of the soil (moisture content, bulk density and porosity of the soil) and dry weight of leaf tobacco. The experiment was conducted in September 2015 in State Polytechnic of Lampung experimental  garden, arranged in a randomized block design factorial with bio-activator treatment differences in the way applications compost mixed with soil and on the ground. Soil sampling was take 5 cm above ground. Observations carried out on soil water content, bulk density, porosity of the soil and leaf dry weight. The results showed that compost of oil palm fronds affect the physical properties of the soil, but not significantly different to the dry weight of leaf tobacco.Keywords: compost, soil physical properties, tobaccoPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/15
Pengaruh Berbagai Jenis Pupuk Organik terhadap Spesies Gulma Invasif Hutapea, Christmayaty; Syofian, Mirodi; Sudirman, Albertus
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/aip.v3i1.16

Abstract

The use of organic fertilizer is very instrumental to the growth and crop production, organic fertilizer can also improve soil fertility, as well as to maintain the ecosystem in the surrounding environment. In addition to providing the advantages of using organic fertilizer also has weaknesses when refining them in the process of making organic fertilizer is not good enough, potentially toxic to human health, likely to carry germs organic fertilizers, and weed seeds. This study aims to find out the weeds that dominated after the use of organic fertilizers and proving the existence of an invasive weed borne organic fertilizer. This research was carried out on open land Lampung State Polytechnic, using cow manure treatment (MS), goat manure (MK), fertilizer pome (MP), organic fertilizer factory (MB), and control (KT). This study uses a randomized block design (RAK). The observed results are weed vegetation analysis, percent weed cover, summed Dominance Ratio (SDR), and the community coefficient (C). research shows that after the application of organic fertilizers shift the dominant weed species, proving organic fertilizer bring invasive weed, and it turns organic fertilizer from the cow shed which led to the highest weed invasion.Keywords: invasive weeds, organic fertilizer, weed species shiftsPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/16
Analisis Faktor-faktor Adopsi Metode PsPSP pada Penanggulangan Hama Penggerek Buah Kakao (PBK) di Pekon Kuripan Khairudin, Khairudin; Saty, Fadila Marga; Supriyatdi, Dedi
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (187.001 KB) | DOI: 10.25181/aip.v3i1.17

Abstract

PsPSP method is cultural technique of cacao cultivation for handling Cocoa Podborer (Conopomorpha cramerella Snell.), but less aplicated by farmers in Lampung Province. The research objective are investigated the adoption level and analyze influence factors toward PsPSP method of the cacao farmers adopted in Pekon Kuripan, Kecamatan Limau, Kabupaten Tanggamus. The research used survey method. Responder determined through randomized by taking 40 people of cocoa farmers. The research was carried out on October until November 2014. Scoring system is an instrument to analyze adoption level and Multiple Linier Regresion to analyse the influence factors of PsPSP method. Based on the result of interview used questioner known that the adoption level of cacao farmers are still less than average  value. Self inside factors (age, education level, cultivation experiences) and outside factor of farmer (elucidation intensity) are significant toward adoption level of PsPSP method. Wide area of farm and quantity of responsibility family are not significant toward adoption level of PsPSP method.Keywords : cocoa podborer, method adoption, PsPSPPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/17
Pengaruh Pemberian Kompos Kiambang dan Pupuk Majemuk pada Pertumbuhan Bibit Kakao (Theobroma cacao L.) Indrawan, Iyan; Kusumastuti, Any; Utoyo, Bambang
Jurnal Agro Industri Perkebunan Volume 3 No. 1, Mei 2015
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.562 KB) | DOI: 10.25181/aip.v3i1.18

Abstract

The objective of this research is to measure the effect of giant salvinia compost and compound fertilizers on growth of cocoa seedlings. This research has been conducted in State Polytechnic of Lampung experimental garden, Rajabasa, Bandar Lampung on December 2014 until May 2015. The method used was a randomized block design (RBD). The factorial pattern consisting of two factors. The first factor was the rate of giant salvinia compost consists of four levels, namely: K0 = 0 g.polybag-1, K1 = 200 g.polybag-1, K2 = 300 g.polybag-1, and K3 = 400 g.polybag-1. The second factor was the rate of compound fertilizer consists of two levels, namely: M0 = 0 g.polybag-1, M1 = 5 g.polybag-1, M2 = 10 g.polybag-1. Data were analyzed by analysis of variance further significantly different if followed by LSD test at the 5% level of accuracy. Observations included plant height, number of leaves, stem diameter, root length, dry weight, and ratio of root-shoot dry weight. The results showed that giant salvinia affected on plant height, number of leaves, stem diameter, root length, and the ratio of root-shoot dry weight. Compound fertilizer also affected on plant height and number of leaves, stem diameter, root length, and and ratio of root-shoot dry weight. There was an interaction between rate of giant salvinia compost and compound fertilizer on length root.Keywords: compound fertilizer, giant salvinia compost, Theobroma cacao L.Permalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/18

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