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Jurnal Agro Industri Perkebunan
Published by Politeknik Negeri Lampung
ISSN : 23379944     EISSN : 25489259     DOI : 10.25181/jaip
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
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.
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Articles 12 Documents
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Search results for , issue "Volume 3 No. 1, Mei 2015" : 12 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 (0.036 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 (0.036 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

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