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Yan Sukmawan
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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 5 No. 2, Oktober 2017" : 6 Documents clear
Pertumbuhan Bibit Kelapa Sawit dengan Aplikasi Fungi Mikoriza Arbuskular dan Beberapa Dosis Pupuk Fosfat Palasta, Rio; Rini, Maria Viva
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.25 KB) | DOI: 10.25181/jaip.v5i2.428

Abstract

Farmer dependence on inorganic fertilizers drives the inclination of the fertilizer price which in turn influence the production cost. Therefore, it is necessary to find alternative way to reduce the consumption of inorganic fertilizers. This study aims to determine the most suitable arbuscular mycorrhiza fungi (AMF) for oil palm seedlings, determining the best dosage of phosphate fertilizer for the growth of oil palm seedlings, and determine whether the growth response of oil palm seedlings to AMF inoculation is influenced by the dosage of P fertilizer given. Research had been conducted in the greenhouse and Plantation Production Laboratory, Faculty of Agriculture, University of Lampung from June 2012 until August 2013. The treatment design used was a factorial design and the experimental design used was a completely randomized block design. The first factor was AMF treatment i.e. control, Entrophospora sp. mv 3 isolate, Glomus sp. mv 9 isolate, Glomus sp. mv 10 isolate, and Glomus sp. mv 15 isolate. The second factor was the dosage of P fertilizer i.e. 23,32 g, 15,66 g, and 11,66 g per plant. Each treatment was repeated 4 times. The results showed that Glomus sp. mv 15 isolate was the most suitable type of AMF for oil palm seedlings. All dosages of P fertilizer tested showed no growth effect on oil palm seedlings and the growth response of oil palm seedlings to inoculation of AMF was not affected by dosage of P fertilizer. Keywords: Entrophospora, Glomus, mycorrhiza, oil palm, phosphate
Pengaruh Ekstrak Rimpang Alang-alang (Imperata cylindrica L.) pada Bobot Kering dan Persen Penutupan Gulma Tamin, Argi Zhafran; Supriyatdi, Dedi; Syofian, Mirodi
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (46.953 KB) | DOI: 10.25181/jaip.v5i2.356

Abstract

The use of herbicides has a negative impact on the environment so an environmentally friendly herbicide is needed. Alang-alang that are available in almost every area has a content of tannins in the form of allelopathy potential for weed control. The objective of the research is to know the percent of weed coverage due to the application of alang-alang bioherbicide.Concentration levels were tested in this research are: 5%, 10%, 15%, and 20%. The research was arranged in a randomized block design that has five replication. Variables observed were the dry weight of weeds and percent of weed coverage. The results of this research showed that all various concentrations have not affected in controlling weeds and percent of weed coverage. Keywords: allelopathy, bioherbicide, weed control
Upaya Mengatasi Cekaman Kekeringan pada Tanaman Nilam (Pogostemon cablin Benth.) dengan Memanfaatkan Kompos Kiambang Gusta, Adryade Reshi; Kusumastuti, Any
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (33.975 KB) | DOI: 10.25181/jaip.v5i2.600

Abstract

Productivity and quality of patchouli is influenced by environmental factors especially drought stress. This study aim is to determine application of giant salvinia compost for resolving drought stress on patchouli. This study used a randomized block design and experiment with three replication arranged in factorial 3x4. The first factor is percentage of drought stress 0% (L0), 40% (L1), and 80% (L2). The second factor is application of giant salvinia compost, topsoil 100% (G0), topsoil and giant salvinia compost 1:1 (G1), topsoil and giant salvinia compost 2:1 (G2), and topsoil and giant salvinia compost 3:1 (G3). The result showed that giant salvinia affected increasing on plant height, number of branch, the ratio of root-shoot dry weight, and patchouli oil content.   Keywords: growth medium, patchouli oil content, soil moisture
Respons Pertumbuhan Lada Perdu terhadap Pemberian Dosis Pupuk Kandang Sapi dan Mikoriza Ali, Fahri; Subechan, Mochammad Arif; Prasetia, Bagus
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (102.908 KB) | DOI: 10.25181/jaip.v5i2.341

Abstract

Shrub pepper is a potential commodity to be cultivated under coconut trees of coastal sand. The problems are coastal sand generally not support plant to grow well, because of low of nutrition, organic matter, water holding capacity, soil fertility and high salinity. The aims of the research were to study the effect of mycorrhiza and cow manure doses on vegetatif growth of shrub pepper, and to study interaction between mycorrhiza and cow manure doses effect on vegetatif growth of shrub pepper. This experiment used Factorial Randomized Complete Blocks Design (RCBD) which consist 2 factors, first factor was doses of cow manure (P1= 5 kg.crop-1), (P2= 10 kg.crop-1) and (P3= 15 kg.crop-1). Second factor was doses of mycorrhiza (M0= without mycorrhiza/control), (M1= mycorrhiza 10 spore.crop-1) and (M2= mycorrhiza 20 spore.crop-1). Data obtained were analyzed with F test, and were continued with DMRT at 5 percent when significant. Results showed that mycorrhiza doses not affected the addition  number of leaves, internodes and laterals, this can be explained there was endogenous mycorrhiza in the soil used based on colonization of mycorrhiza test (M0 21,07%; M1 23,84% and M2 16, 73%). The effect of cow manure doses to addition number of leaves, internodes and laterals gave the same response, it’s caused all cow manure doses can supply nutrition for vegetative growth of shrub pepper based on the content of chlorophyl (P1 89,20; P2 77,76 and P3 80,94 mg.l-1). There was no interaction between mycorrhiza and cow manure doses on  all of observed variables.   Keywords: Coastal sand, coconut, colonization, pepper, vegetative
Pengaruh Pupuk Organik Padat dan Varietas pada Produktivitas Tebu (Saccharum officinarum L.) Ayu, Eka Risdianti Asmaning; Indrawati, Wiwik; Sudirman, Albertus
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (92.473 KB) | DOI: 10.25181/jaip.v5i2.654

Abstract

Sugarcane is one of the main sugar-producing commodities in Indonesia. The one of the efforts to increase the production and yield of sugarcane can be done by fertilization using organic fertilizer and the use of improved varieties. The aim of this research are to get optimal rate of solid organic fertilizer, the best sugarcane variety, and interaction between solid organic fertilizer rate and variety on productivity of sugarcane. The study was conducted in December 2015 until December 2016 at Teaching Farm and Chemical Analysis Laboratory, State P olytechnic of Lampung. The research used Factorial Random Block Design method, with two factors. The first factor is the rate of solid organic fertilizer (Control, 1.000 kg.ha-1, 1.500 kg.ha-1, and 2.000 kg.ha-1), whereas the second factor is sugarcane varieties (GMP 3, GMP 19, and SS 57). The data of the research were analyzed by analysis of variance and  if the result was significantly different then continued by using LSD test of 5% level. The results showed that there was interaction between the use of solid organic fertilizer 1000 kg.ha-1 and GMP 3 varieties on variable length of sugarcane stem. The productivity of sugarcane crops can be improved by the application of 1000 kg.ha-1 solid organic fertilizer which influences the variables of sugarcane quantity per lube and the number of sugarcane segments. The best variety that can be used to increase the productivity of sugarcane is GMP 3.Keywords: solid organic fertilizer, sugarcane productivity, sugarcane varieties
Aktivitas Ekstrak Biji Tanaman Mindi (Melia azedarach L.) terhadap Spodoptera litura F. (Lepidoptera: Noctuidae) Hamdani, Hamdani; Supriyatdi, Dedi
Jurnal Agro Industri Perkebunan Volume 5 No. 2, Oktober 2017
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (139.459 KB) | DOI: 10.25181/jaip.v5i2.321

Abstract

This study was conducted to evaluate the effectiveness and biological activity of Melia azedarach L. (Meliaceae) seed extract against armyworm, Spodoptera litura F.  The first instar larvae were fed extract-treated broccoli leaves for 2 days, then were maintained on untreated leaves until the third instar stage.  Records were kept in regard to the larvae mortality and developmental time of surviving larvae from the first instar to the third instar. The result showed that M. azedarach L. seed extract at concentration of 50 g.l-1 (5%) exhibited moderate insecticidal activity against S. litura larvae (43,30%-68,33% mortality).  Addition of detergent at 0,2% to extract did not increase insecticidal activity of the extract. However, boiling seed extract at concentration of 50 g.l-1 (5%) during 10 until 20 minutes increased insecticidal activity of extract (66,67%-68,33% mortality).  Generally, M. azedarach seed extract treatment did not affect on developmental time of  S. litura larvae.   Keywords: armyworm, biological activity, botanical insecticide, chinaberry tree, extract

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