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Fatardho Zudri
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INDONESIA
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652     DOI : -
Aims and Scope Aims Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia), the official journal of the Indonesian Society for Agronomy, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of agronomy. Manuscripts could be written either in English or in Indonesia. Scope Indonesian of Journal Agronomy (Jurnal Agronomi Indonesia) covers agronomy in broad sense including plant production, genetic and plant breeding, plant physiology, plant ecology, plant biotechnology, modeling, seed science and technology and weeds science on food, horticulture, plantation, and forage crops.
Articles 971 Documents
Karakter Agronomi dan Fisiologi Varietas Cabai Merah pada Kondisi Cekaman Genangan , Susilawati; Rujito Agus Suwignyo; , Munandar; Mery Hasmeda
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.593 KB) | DOI: 10.24831/jai.v40i3.6826

Abstract

The research objective was to study the agronomic and physiological characteristics of red chilli (Capsicum annuumL.) varieties under waterlogging stress. These studies were conducted at two locations: in Palembang, South Sumatra, from February to August 2010 and in Bogor in West Java, from September to November 2010. Experiments in Palembang was using split plot design with three replications. The main plot was waterlogging treatment for 1, 2, 3 and 4 days. The subplot was red chilli varieties: Kiyo F1, Riawan, Ferosa, Bravo F1 and Laris. Experiments in Bogor was conducted without the use of experimental design; the same plant varieties were waterlogged for 2 and 4 days. The results showed that waterlogging caused root damages on all varieties. Kiyo F1 had better agronomic characters and high levels of tolerance than other varieties. The content of ethylene in all varieties increased with increasing time of waterlogging, except for Laris. In all varieties both leaf chlorophyll and tissue N content tend to decline with the increase in waterlogging duration. However Bravo F1 experienced an increase in the chlorophyll content whereas Kiyo F1 had an increase in N in the plant tissue. Keywords: agronomic character, physiological character, red chili, waterlogging
Dampak Bokashi Kotoran Ternak dalam Pengurangan Pemakaian Pupuk Anorganik pada Budidaya Tanaman Tomat Darwin Habinsaran Pangaribuan; Muhammad Yasir; Novisha Kurnia Utami
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.025 KB) | DOI: 10.24831/jai.v40i3.6827

Abstract

The objective of this research was to study the effect of bokashi livestock on the growth and yield of tomatoes. The experiment was conducted in Bandar Lampung from October 2009 until February 2010. The experimental design was randomized complete block design with 3 replications. The treatments were: control; inorganic fertilizers at a recommended rate of (kg ha-1) 135 N, 75 P2O5, and 110 K2O (RR); chicken manure bokashi + RR; chicken manure bokashi + 50% RR; cow manure bokashi + RR; cow manure bokashi + 50% RR; sheep manure bokashi + RR; sheep manure bokashi + 50% RR; horse manure bokashi + RR; horse manure bokashi + 50% RR. Each bokashi treatment was applied at the rate of 20 ton ha-1. The result of experiment showed that chicken manure bokashi was the best among bokashi livestock. The application of 50% RR combined with chicken, cow, sheep or horse manure bokashi gave a higher yield than treatment with inorganic fertilizer at recommended rates. These results demostrated that the application of bokashi livestock could potentially reduce the use of inorganic fertilizers while maintaining higher yield. Keywords: animal manure, inorganic fertilizer, bokashi livestock, tomatoes
Efisiensi Penggunaan Cahaya Matahari oleh Tebu pada Berbagai Tingkat Pemupukan Nitrogen dan Fosfor Wawan Pembengo; , Handoko; , Suwarto
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (389.886 KB) | DOI: 10.24831/jai.v40i3.6828

Abstract

Light use efficiency is a crucial parameter in plant growth associated with accumulation of energy interception. Nitrogen and phosphorus deficiency reduce leaf area index (LAI) and specific leaf nitrogen and phosphorus (SLN and SLP) content and reduce efficiency of light intercepted by plant canopy structure. This research was conducted in Kebun Bunga Mayang PTPN VII, North Lampung Regency, Lampung Province (04050’S, 104052’E, 38 m above sea level) from July 2008 to September 2009. Treatments were distributed in the field under a randomized complete block design factorial with three replications. The increase in nitrogen fertilizer (N) improved sugarcane light use efficiency. The light use efficiency of the sugarcane plants fertilized with 225 kg N ha-1 was 2.29 g MJ-1 at maximum stem phase. On the contrary, the increasing of phosphor (P) fertilizer did not affect light use efficiency but increased stem dry matter at maximum seedling phase or about 3 month after planting (3 MAP), at maximum stem phase (9 MAP), and at harvest (11 MAP); total dry matter at seedling phase (5 MAP) and at maximum stem phase (9 MAP). Nitrogen did not interact with P in affecting light use efficiency. Keywords: fertilization N and P, interception radiation, light use efficiency, sugarcane
Variasi Genetik Mutan Anggrek Spathoglottis plicataBlume. Berdasarkan Marker ISSR Atra Romeida; Surjono Hadi Sutjahjo; Agus Purwito; Dewi Sukma; , Rustikawati
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.864 KB) | DOI: 10.24831/jai.v40i3.6829

Abstract

Mutants of Spathoglottis plicataBlume were obtained from plants treated with Gamma Irradiation at 30-100 Gray. The mutants showed variations in the flower morphology. The objective of this experiment was to identify genetic variations of orchids S. plicataand its mutants using inter-simple sequent repeat (ISSR) markers. The amplified product of 10 ISSR primers produced 360 bands and 71 ISSR of the loci (90.14%) were polymorphic. The coefficient of similarity and principal component analysis produced five major groups with similarity coefficient of 0.68. The goodness of fit correlation matrix value reached 0.91. Therefore the ISSR isa good marker for identification of S. plicatamutants.Keywords: gamma irradiation, ISSR marker, mutant, orchid
Aktivitas Kitinase dan Peroksidase dari Ekstrak Kasar Protein Asal Kalus dan Berbagai Jaringan Tanaman Trichosanthes cucumerina var. anguina Sukma, Dewi; Poerwanto, Roedhy; Sudarsono, ,; Khumaida, Nurul; Artika, I Made; Wiyono, Suryo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (294.045 KB) | DOI: 10.24831/jai.v40i3.6830

Abstract

Chitinase and peroxydase are important bioactive proteins or are specific enzymes that are related to plant resistance to pathogens. The aims of the research were to analyze the chitinase and peroxidase activities of crude protein extract from calli, stem, leaves and roots of T. cucumerinavar. anguina. In the first experiment, chitinase and peroxydase activities were analyzed from in vitro calli, leaves and roots obtained from 2-month-old of field grown plants. The media for calli induction were Murashige and Skoog medium with addition of 1 µM NAA + 1 µM BA, 2 µM NAA + 2 µM BA, 3 µM NAA + 3 µM BA, or 4 µM NAA + 4 µM BA. In the second experiment, the chitinase and peroxydase activities from crude protein extract of roots, stems and leaves were analyzed. The extracts were from 3-week-old seedling (less than a month), 1-month and 2-month-old plants. The first and the second experiment results showed that crude protein extracts of plant roots from the field grown plants had the highest chitinase and peroxidase activities. Stem of field grown plants had the similar level of chitinase activities with the plant roots. Chitinase activities of in vitro calli were not significantly different from those of plant roots so that it could be used as an alternative for plant roots in studying chitinase from T. cucumerinavar. anguina. Chitinase activities in crude protein extracts of roots appeared constant whereas peroxidase tend to increase with plant age. Keywords: calli, enzyme activities, leaves, roots, stem
Penapisan Genotipe Jarak Pagar (Jatropha curcas L.) untuk Toleransi terhadap Kekeringan , Misnen; Endah Retno Palupi; Muhamad Syukur; , Yudiwanti
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (304.134 KB) | DOI: 10.24831/jai.v40i3.6832

Abstract

The selection of Jatropha curcasfor drought tolerance is one of the key points prior to growing the species extensively on marginal lands. The objective of this study was to determine drought tolerant genotypes based on morphological and physiological characters. The research consisted of two experiments. The first experiment was aimed at determining the moisture content of the media to generate drought stress. The experiment was arranged in a split-plot design with moisture content as the main plot and genotypes as sub-plot. Four level of moisture contents were tested, i.e. 22-23%, 27-28%, 32-33%, and 37-38%. The genotypes tested (9) were Dompu-1, Gunung Tambora, Bima (representing genotypes from dry areas); Aceh Besar, IP-2P, Komering (representing genotypes from wet areas); and IP-1M, Papua, Yogyakarta (representing genotypes from moderately dry areas). The result showed that 22-23% moisture content of the media was suitable for drought tolerance test in Jatropha curcas. The second experiment was screening of genotypes using the suitable media moisture content from first experiment. Twenty three genotypes were screened for drought tolerance under 22-23% media moisture content. The result show that Dompu-2, Indralaya and China were tolerant to drought; Sukabumi-1, Sukabumi-2, Pidi, Lahat, Kupang, Lampung-2, Lampung-3, Sumba, IP-2M, and IP-2A genotypes were moderately tolerant; Curup, Bogor-1, Bogor-2, Bogor-3, Pontianak, Pagar Alam, Palembang, Saweli, Jeneponto, and Medan genotypes were sensitive to drought. Plant height, leaf water content, leaf area and percentage of plant survival can be used as indicators of drought tolerance for seedling selection using a non-destructive method.Keywords: drought tolerance, genotypes, Jatropha curcas, screening
Penggunaan Pot Berbahan Dasar Organik untuk PembibitanGmelina arborea Roxb. di Persemaian Sri Wilarso Budi; Andi Sukendro; Lina Karlinasari
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (375.8 KB) | DOI: 10.24831/jai.v40i3.6833

Abstract

The objectve of this research was to obtain the best materials composition and adhesive of organic pot for forest trees seedling production. Organic pot strength was evaluated by testing the strength of rupture elasticity and elasticity stiffness of each composition. The bioassay testing used Completely Randomized Design with factorial pattern, consisting of two factors, (1) basic raw materials of the pot (used newspaper, litter and compost) and (2) the type of adhesive (control, tanin and starch). The results showed that the adhesive starch gave higher strength, whereas adhesive tannin gave higher stiffness as compared to control. Results of bioassay showed that the mixture (50:50 v/v) of basic materials of used newspaper and compost (KKK) which were glued with tannin, produced the best results for height and diameter increament with the value of 35.85 cm, 0.31 cm respectively and biomass value of 0.99 g after 12 weeks of planting. The highest level of damage in organic pot with basic raw materials KKK without adhesive was 47.6%, whereas lowest level of damage in organic pot with basic raw material used newspaper (KK) with tannin addhesive was 2.0% after 12 weeks in the nursery.Keywords: adhesive, Gmelina arborea,organic pot, organic matter, nursery,
Potensi Hasil dan Mutu Beras Sepuluh Galur Harapan Padi untuk Lahan Rawa Pasang Surut Hairmansis, Aris; Aswidinnoor, Hajrial; Supartopo, ,; SuwarnoSuwarno, Willy Bayuardi; Suprihatno, Bambang; Suwarno, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 1 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.986 KB) | DOI: 10.24831/jai.v41i1.7069

Abstract

Breeding programs to improve rice varieties for tidal swamp areas have successfully developed a number of promisingbreeding lines. The objectives of this study were to evaluate the performance of ten advance breeding lines in multilocationyield trials and to analyze grain quality of the lines. The lines and two check rice varieties, IR42 and Batanghari, wereevaluated in replicated yield trials in six different tidal swamp environments. Grain quality of these lines were analyzed todetermine physical and chemical properties of the milled and cooked rice. Result from multilocation yield trials showedthat the breeding lines had higher yield potential compared to popular variety IR42 and their yields were comparable tothe control variety Batanghari. The lines showed different adaptability against different environments; some of the linesdemonstrated wide adaptability while the others showed specific adaptation ability. All of the lines had good grain qualitywhile they had different shape and texture which made them potential to be accepted in different regions. The result fromthis study indicated that all of the lines have potential to be commercially cultivated in tidal swamp areas. In addition, dataobtained from this study have been used in the registration of three lines as new varieties for swampy area namely IPB 1RDadahup, IPB 2R Bakumpai and Inpara 6.Keywords: adaptation, grain quality, multilocation trials
Deteksi Dini Toleransi Padi Hibrida terhadap Kekeringan menggunakan PEG 6000 Afa, La Ode; Purwoko, Bambang Sapta; Junaedi, Ahmad; Haridjaja, Oteng; Dewi, Iswari Saraswati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 1 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (309.329 KB) | DOI: 10.24831/jai.v41i1.7070

Abstract

The objective of this study was to determine a selection method at early stage for drought tolerant hybrid rice. Theexperimental design was split plot with 3 replications. In the first experiment the main plot was concentration of PEG 6000consisting of control and concentration 25% of PEG 6000. The subplots were hybrid genotypes/varieties, i.e. BI485A/BP3,BI485A/BP5, BI485A/BP10, BI485A/BP12, BI485A/BP15, BI599A/BP5, BI599A/BP15, BI665A/BP6, Maro, Hipa 8, IR64and Limboto. In the second experiment the main plot was drought stress level which consisted of control and drought stressat 60% field capacity. The subplots were hybrid genotypes/varieties used in the first experiment. The results showed that PEG 6000 could be used to detect drought tolerant genotypes at early stage. Seedling dry weight was the major character for selecting drought tolerant genotypes. Genotypes BI485A/BP15 and BI559A/BP15 are tolerant to drought and can potentially be grown in rainfed lowland.Keywords: drought tolerant, early selection, hybrid rice, polyethylene glycol
Efektivitas Amelioran pada Lahan Gambut Terdegradasi untuk Meningkatkan Pertumbuhan dan Serapan NPK Tanaman Jagung Manis (Zea mays L. var. saccharata) Maftu’ah, Eni; Maas, Azwar; Syukur, Abdul; Purwanto, Benito Heru
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 41 No. 1 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (358.732 KB) | DOI: 10.24831/jai.v41i1.7071

Abstract

This study was aimed to determine the effectiveness of several of ameliorant formulas to increase plant growthand NPK uptake on sweet corn (Zea mays L. var. saccharata) on degraded peatlands. The research was conducted in thegreenhouse of Balittra during May to July 2011. Sweet corn was planted in pot with soil taken from previously burnt peatin Kalampangan, Palangkaraya. The treatment consisted of two factors, i.e., combination of ameliorant (A1=80% chicken manure + 20% dolomite, A2=80% agricultural weeds + 20% dolomite, A3=80% mineral soil (Spodosol) + 20% dolomite,A4=20% chicken manure + 20% agricultural weeds + 20% Eleocharis dulcis + 20% mineral soil + 20% dolomite, andA5=19% chicken manure + 71.5% mineral soil + 9.5% dolomite) and application rates at 5, 10, 15, 20 and 25 ton ha-1, arranged in a randomized complete block design, with 3 replications. The results showed that ameliorants and application rates affected growth and NPK uptake of sweet corn. Application of 20 ton ameliorant (80% chicken manure + 20% dolomite) ha-1 produced the highest dry weight of root and shoot, and NPK uptake.Keywords: ameliorants, degraded peatland, nitrogen, phosphate, potassium

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