Jurnal Agro Industri Perkebunan
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Karakteristik Cendawan Mikoriza Arbuskula (CMA) pada Beberapa Rhizosfer Tanaman Perkebunan
Get PDFThe development of Mycorrhizal Arbuscular Fungi (MAF) in general is influenced by the conditions of the rhizosphere and fungi spores. Rhizosphere conditions are conditions around the roots such as temperature, pH, and root exudates. While the condition is a fungal spore dormancy and maturity spores. The aim of this study was to determine the amount of FMA on some plantation crops rhizosphere, to determine the type of crop rhizosphere FMA on some plantations, as well as to determine the dominance of FMA on some plantation crops rhizosphere. The experiment was conducted at the Laboratory Analysis State Polytechnic of Lampung. Month trial period from December 2014 to July 2015. The method used in this study is a description of the method by observation. Based on research results and observations of mycorrhizal spores in the rhizosphere of plants cocoa, rubber, coffee, and palm oil was found that on average the highest number of spores found in oil palm plantations (2.4 spores), while the lowest number of spores present in the rubber plantations (1 spore ). Type spores on all plantation crops rhizosphere dominated by species Glomus with different types (10 types). Glomus Type 2 dominates on all plantation crops rhizosphere.Keywords: estate crop, mycorrhizae, rhizospherePermalink:Â http://jurnal.polinela.ac.id/index.php/AIP/article/view/5
Pengaruh Jenis dan Lama Penyangraian pada Mutu Kopi Robusta (Coffea robusta)
Get PDFThe process of roasting the coffee beans will produce a good quality of taste and aroma. To conduct this research activity in the roasting researchers used a minimalist roaster machine (mini roaster). This study was conducted to determine the effect of temperature and duration of roasting, and the interaction of temperature and long roasting on the quality of Robusta coffee.The experiment was conducted in analysis laboratory, plant laboratory, and THP State Polytechnic of Lampung in November 2014 to February 2015. The experiments were performed with a patterned factorial randomized block design with 2 factors and each treatment combination was repeated 3 times. The first factor is the temperature which consists of three levels i.e. 190 oC, 200 oC, and 210 oC. The second factor is roasting duration wich consist of three levels i.e. 10 minutes, 16 minutes and 22 minutes. The results showed that the temperature 190 oC was the best in the roasting. Roasting duration 10 minutes was the best in the roasting process. Temperatures above 190 oC and duration above 10 minutes will reduce the quality of the coffee. The combination of the best treatment in the process of roasting seen from the middle value in the variable water content, juice coffee and caffeine levels are long roasting temperature of 190 oC and 10 minutes. Based on advanced testing methods Tukey confidence level of 95%, no interaction by the temperature and duration of roasting the coffee extract and the water content, but shows the interaction of the ash content and the caffeine content.Keywords: quality of Robusta coffee, roasting duration, roasting temperaturePermalink:Â http://jurnal.polinela.ac.id/index.php/AIP/article/view/3
Respons Pertumbuhan Vegetatif Beberapa Varietas Tebu (Saccharum officinarum L.) terhadap Pemberian Mikoriza Arbuskular
Get PDFSugarcane (Saccharum officinarum L.) is a major source of commercial sugar production. Sugar is a commodity that is essential for the people of Indonesia both as a basic requirement as well as industrial raw material of food or beverage. Sugar demand is increasing with population growth and increasingly diverse array of foods. This study aims to determine the effect of mycorrhizal appropriate biological fertilizer for vegetative growth of sugarcane varieties of GMP and its interactions. Research carried out in the experimental garden of the State Polytechnic of Lampung, from July to December 2014. The method used was a randomized block design (RBD) factorial pattern, consisting of two treatment factors. The first factor was the rate of biofertilizers mycorrhizae which consisting of four levels, namely: M0 = 0 g of biofertilizers mycorrhizae per polybag, M1 = 10 g of biofertilizers mycorrhizae per polybag, M2 = 20 g of biofertilizers mycorrhizae per polybag and M3 = 30 g of biofertilizers mycorrhizae per polybag. The second factor was the varieties of sugarcane consisting of three varieties, namely: V1 = GMP1, V2 = GMP2 and V3 = GMP3. The results were analyzed using analysis of variance then continued with test least significant difference (LSD) 5%. The results showed that the effect on the variety of plant height and number of tillers. Mycorrhizal treatments and their interaction does not give effect to all parameters.Keywords: mycorrhizae, Saccharum officinarum L., vegetative growthPermalink:Â http://jurnal.polinela.ac.id/index.php/AIP/article/view/3
Pengaruh Asap Cair Berbahan Baku Pelepah Kelapa Sawit Sebagai Koagulan pada Kualitas Karet Krep
Get PDFPublic rubber platation Indonesia reached 80% from the vast number of rubber Indonesia. But people rubber low quality, because the use of coagulant is not advice. The researc aims to use liquid smoke from midrib plam oil as an alternative coagulants formic acid to maintain the quality of crepe rubber. Dose of liquid smoke from midrib plam oil 4, 6, 8, 10, 12, and 14% given in each treatment 250 ml latex and will be tested pH, long clotting time, dry rubber content, plasticity retention index (PRI), leves of substance evaporates, until ash, and levels of dirt in acordance with the SNI 1903 : 2000. Tests conducted in te laboratory PTPN VII business Wwy Unit Berulu, Pesawara, Lampung. The results showed a dose of liquid smoke 4 – 12% crepe rubber produce with quality SIR 10, long clottng time dose treadment liquid smoke 14% but quality is only reached SIR 20 and dose treadment liquid smoke from midrib plam oil is best dosage 8% v/v.Keywords: crepe rubber, latex coagulant, liquid smoke, oil palm frondPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/3
Pengaruh Lama Fermentasi pada Kualitas Pupuk Kandang Kambing
Get PDFGoat is one of animal by the village people in Indonesia is one of the goat farm animals are much in demand by the people of the village. Adult goats capable produce solid fecal waste as much as 0.5 kg per day, in the long term this will be a problem if not handled properly. Goat manure can be used as fertilizer. In the manufacture of manure requires serious attention because during the fermentation progresses, there is  variety of transformation processes in fertilizers. The purpose of this study was to observe the effect of fermentation on the quality of goat manure. This study was conducted in State Polytechnic of Lampung in October 2014 until February 2015. The experimental design used was a randomized block design (RBD) consisted of six treatment fermentation period: 2, 4, 6, 8, 10, and 12 weeks with three replications.length of fermentation showed the presence of a marked influence on C/N ratio. The value of C/N ratio has decreased accordance with the length of fermentation time, indicated in the treatment of older fermentation 8, 10, and 12 which have a value of C/N ratio is getting smaller 15, 12, and 10.The nutrient content of N and P unless the element K not significantly different, but all three have increased. Based on research that has been done, it can be concluded that the length of fermentation effect on the value of C/N ratio, the content of N and P, but has no effect on the value of the content of K manure goats and best quality was obtained in treatment fermentation period of 10 weeks with a value of C/N ratio 12 and N content of 1.16%, P: 1.01%, and K: 1.27%.Keywords: fermentation duration, goat manure, organic fertilizerPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/5
Analisis Pengendalian Kualitas Produk SIR 3L di PT Perkebunan Nusantara VII Unit Usaha Way Berulu
Get PDFRubber comes from rubber tree (Hevea brasiliensis Muell. Arg.) which is produced by major plantation and small plantation. Rubber as industrial material requires good quality assurance, so the company will try to do intensif quality control to the product material component, production process or final process. The implementation of the quality control relates to quality standard which is determined by the company. Quality control tries to minimize damage product, maintain to the final product fit to quality standard of certain company and avoid damage product comes to consument. This research is intended to identify production process of rubber crumb, analyse quality control of rubber crumb and find out factors affect the quality of SIR 3L at PTPN VII Way Berulu Business Unit. According to the result of the P-Chart Analysis, on January 2015 there are some product damages, but the damage can still be controled statistically. Proportion or average of the product damage is 0,063 and the highest damage appearef in 28 January with the presentage of 14,76. Main factor that cause the product damage is color index of rubber crumb which is more than scale 6 of lovibond comparator standard.Keywords: colour, crumb rubber, quality control Permalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/5
Respons Pertumbuhan Vegetatif Tanaman Tebu (Saccharum officinarum L.) Ratoon 1 terhadap Pemberian Kombinasi Pupuk Organik dan Pupuk Anorganik
Get PDFThis research conduct to know vegetative growth response of sugarcane Ratton 1 to combination of organic fertilizer and inorganic fertilizer which comprises plant height, leaf length, stem diameter, number of tillers, leaf chlorophyll and N, P, K leaf total content. This research was conducted in September 2014 until February 2015 at State Polytechnic of Lampung teaching farm. The research was arranged in a factorial study using a randomized block design (RBD). The first factor is the four-level rate of organic fertilizer, namely: Oo = 0 kg.ha-1; O1 = 500 kg.ha-1; O2 = 750 kg.ha-1; O3 = 1000 kg.ha-1, and the second factor is three rate of inorganic fertilizer, namely A1 = 0%; A2 = 25%; A3 = 50% of recommended rate in Gunung Madu Plantations. The results showed that the effect of all treatments tested were not significantly affected on plant height, leaf length, stem diameter, number of tillers, and chlorophyll. The value of N obtained the highest results in the treatment rate of 500 kg.ha-1 organic fertilizer + organic fertilizer 50% instigation, the value of P highest rate treatment of 500 kg.ha-1 organic fertilizer + organic fertilizer 25% instigation, the value of K obtained the highest results in treatment rates 1000 kg.ha-1 organic fertilizer + 50% inorganic fertilizer recommendation.Keywords: inorganic fertilizers, organic fertilizer (organic Ghaly), ratoon 1Permalink:Â http://jurnal.polinela.ac.id/index.php/AIP/article/view/4
Pembuatan Gula Aren Cair dengan Pengaturan Kapur dan Suhu Evaporasi
Get PDFNational sugar requirement for direct consumption of households and industry will increase in line with population growth. The national sugar demand in 2014 reached 5,700 million tons, while national production only 3,500 million tons. The aim of research to get a way to make palm sugar liquid. With a temperature of line and evaporation. The research was arranged in a randomized complete block design with a factorial treatment without the provision of lime and lime 0,05% combined with avaporation temperature of 70 0C, 80 0C, evaporation temperature and 90 0C, evaporation temperature. The result showed that the best result of tained in the treatment of lime with evaporation temperature of 70 C ocontent % feces 0,49,043% ash content, reduction sugar 3,75% All treatment SNI of lime meet the quality standards.Keywords: evaporation temperature, lime, liquid palm sugarPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/4
Respons Pertumbuhan Benih Kopi Robusta terhadap Waktu Perendaman dan Konsentrasi Giberelin (GA3)
Get PDFGiberellic acid (GA3) is a natural and sintetic grower hormone for speeding up the germination process. The research objective is for knowing the soaking time effect, giberelin (GA3) concentration and the interaction of both factors toward germination and growth of the Robusta coffee seed. This research was carried out in a nursery garden of The State Polytechnic of Lampung, from June 2014 until July 2015. Research arranged by factorial used Randomized Completely Block Design (RCBD). First factor was Giberelin (GA3) concentration i.e. G0 (without GA3), G1 (Giberelin concentration 1000 mg.l-1), G2 (Giberelin concentration 1250 mg.l-1), and G3 (Giberelin concentration 1500 mg.l-1). The second factor was soaking time i.e. A1 (soaking until 12 hours), A2 (soaking until 16 hours), A3 (soaking until 20 hours), and A4 (soaking until 24 hours). The results showed the seed soaking with giberelin (GA3) could affect germinate power, germinated seed quantities, and dry weigh of shoot. There was interaction between giberelin (GA3) concentration and soaking time that could increase germinated seed quantities, leaves wide and dry weigh of shoot.Keywords: Robusta coffee seed, soaking time, giberelin (GA3)Permalink:Â http://jurnal.polinela.ac.id/index.php/AIP/article/view/3
Pengaruh Pupuk Organik pada Pertumbuhan Vegetatif Tanaman Tebu (Saccharum officinarum L.) Varietas GMP 2 dan GMP 3
Get PDFThe sugarcane (Saccharum officinarum L.) is the plant that worth high economical enough, because is the main raw material in manufacture of sugar. One of the efforts to increase the sugarcane production is applying organic fertilizer that can support the growth of sugarcane. The organic fertilizer is fertilizer that's mostly or entirely consist of organic material that from plants or animals that have through the decomposition process, it's can be solid or liquid which is used to supply organic material to improve the physical, chemical and biological soil. It's carried in the garden at Politeknik Negeri Lampung in September 2014 until January 2015. The experiment were performed using a randomized design group (RDG) factorial design which consists of two treatment factor is dosage of organic fertilizer and sugarcane varieties. The first was treatment   dose of organic fertilizer that consists of 5 levels, it’s 0 kg.ha-1 (control), 500 kg.ha-1, 1000 kg.ha-1, 1500 kg.ha-1, and 2000 kg.ha-1. The second factor is a sugarcane varieties, it'sGMP 2 and GMP 3 varieties. The study aims to get the optimal dose of organic fertilizer (Ghaly Organik), the best sugarcane varieties and knowing the interaction between the treatmenton vegetative growth of sugarcane. The result showed that the optimal dose that was applied on GMP 2 and GMP 3 varieties is 1000 kg.ha-1. GMP 2 Sugarcane varieties have better vegetative growth as compare with GMP 3sugarcane varieties. There is not interaction that happened between treatment dose of organic fertilizer and sugarcane varieties.Keywords : organic fertilizer, sugarcane varieties, vegetative growthPermalink: http://jurnal.polinela.ac.id/index.php/AIP/article/view/4