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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
Verifikasi Lokus Aluminum Tolerance (Alt) pada Tiga Populasi BC3F1 Padi Mizan, Muhammad Rauful; Wirnas, Desta; Prasetiyono, dan Joko
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): 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 (729.278 KB) | DOI: 10.24831/jai.v47i1.18664

Abstract

Most of marginal lands in Indonesia are in the form of acid dry land with low available P and high Al concentrations. Development of tolerant rice varieties to P deficiency and Al toxicity is one way to increase rice production. This study aimed to select BC3F1-Pup1+Alt genotypes from three crosses based on foreground and background markers. This research was conducted at the Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development, Bogor, from August to December 2015. The materials used were 300 genotypes of BC3F1 Dodokan-Pup1+Alt, BC3F1 Situ Bagendit-Pup1+Alt, BC3F1 Batur-Pup1+Alt, and the parents. The research included selection in modified Yoshida’s nutrient solutions (0.5 ppm P dan 60 ppm Al) followed by foreground selection and background selection. Selection using Yoshida’s nutrient solution resulted in 150 genotypes with longer root than the recipient parent in each of the BC3F1 populations. Selection with foreground markers using markers RM1361 and RM12031 produced 85 genotypes of BC3F1 Dodokan-Pup1+Alt (56.6%), 105 genotypes of BC3F1 Situ Bagendit-Pup1+Alt (70%), and 77 genotypes of BC3F1 Batur-Pup1+Alt (51.33%). Selection using background markers revealed that genotype number 116 (BC3F1 Dodokan-Pup1+Alt), number 2 (BC3F1 Situ Bagendit-Pup1+Alt), and number 129 (BC3F1 Batur-Pup1+Alt) were the best genotypes with percentage of parent recovery of 95%, 90%, and 90.5%, respectively. These three genotypes were verified to have Alt loci and had the largest genetic proportion of restoring parents. Keywords: Alt, background markers, foreground markers, Pup1, upland rice
Produksi dan Kualitas Benih Kedelai dalam Sistem Produksi Bersih Hartawan, Rudi; Nengsih, Yulistiati; Marwan, dan Edy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 3 (2018): 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 (168.08 KB) | DOI: 10.24831/jai.v46i3.18910

Abstract

Production of high quality seed is one of the key factors for soybean self-sufficiency. The study was aimed to produce high quality soybean seed from zero waste system. The trial was carried out at Sebapo Experimental Station, Jambi, Center for Agricultural Post Harvest Research and Development, and Center for Agricultural Land Resources Research and Development, The Ministry of Agriculture, Bogor, from January until October 2017. The experiment used a complete randomized design with a treatments combination both organic nutrient of composted soybean litter (5 tons ha-1) and inorganic nutrient (25 kg Nitrogen ha-1, 50 kg P2O5 ha-1, and 50 kg K2O ha-1). The treatments were designed as follow : K0 (control), K1 (100% organic), K2 (75% organic + 25% inorganic), K3 (50% organic + 50% inorganic), K4 (25% organic + 75% inorganic), and K5 (100% inorganic). The results showed that the treatment K3 produced the highest seed production (1.72 tons ha-1) and the highest 1,000 seed weight (147.71 g). After 3 months storage at room temperature, the seed with treatment K3 could maintain its quality with indicator 1,000 seed weight (140.98 g), 10.82% water content, 34.98% protein content, 57.42 μScm-1g-1 electrical conductivity, 80.98% germination percentage and 27.48% etmal-1 rate of germination speed.Keywords: Compost, litter, seed technology
Kandungan Minyak 30 Genotipe Jagung dan Korelasinya terhadap Beberapa Karakter Agronomi Karomah, Nailatul; Suwarno, Willy Bayuardi; Azrai, dan Muhammad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 3 (2018): 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 (337.085 KB) | DOI: 10.24831/jai.v46i3.19013

Abstract

Industrial demand for maize oil has been increasing and therefore corn breeding efforts began to focus on developing improved maize varieties with high oil content. The objectives of this research were to determine oil content of maize genotypes and its relationship with several agronomic traits. The oil content of maize genotypes ranged from 3.77 to 5.46%. Based on the correlation analysis, oil content correlated significantly with plant height, ear height, embryo weight, kernel weight, endosperm weight, and embryo and endosperm area ratio. In addition, oil content of maize genotypes could be estimated by a regression model involving embryo and endosperm area ratio, endosperm weight, ear height, cob lenght, number of kernel rows, number of kernel per row, cob diameter, and husk coverage (R2 = 79.66%; P = 0.0001). The oil-correlated traits and regression model obtained can be considered for facilitating selection for high oil maize genotypes. In addition, the results indicate that high oil maize can be bred and selected without affecting yield.Keywords: high oil maize, simultaneous selection, stepwise regression
Penentuan Indeks Seleksi Toleransi Kekeringan Galur Dihaploid Padi Sawah Tadah Hujan pada Fase Perkecambahan Akbar, Miftahur Rizqi; Purwoko, Bambang Sapta; Dewi, Iswari Saraswati; Suwarno, dan Willy Bayuardi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 2 (2018): 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 (310.866 KB) | DOI: 10.24831/jai.v46i2.19086

Abstract

Rainfed rice tolerant to drought and high yielding would be an alternative to rainfed lowland areas prone to drought stress. Selection in the early phase of plant growth will accelerate the effort to obtain rainfed varieties. The objective of this experiment was to identify characters that significantly affect the selection of drought tolerance using PEG 6000 concentration of 25% in the germination phase. The experiment was conducted in greenhouse of ICABIOGRAD, Bogor, using a factorial randomized complete block design with three replications. The first factor was 32 rice genotypes while the second factor was 2 levels of PEG 6000, i.e., concentrations of 0 and 25%. The results showed that the correlation analysis and principal component analysis obtain the important characters namely the germination percentage, seminal root length, and the dry weight of seminal roots. Based on discriminant analysis, the index matching value of 96.77% was suitable to distinguish tolerant and sensitive genotypes using PEG 6000 concentration of 25% in the germination phase.
Morphological Variation in Arabica Coffee (Coffea arabica L.) Growing in North Sumatra Indonesia Malau, Sabam; Pandiangan, and Samse
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 3 (2018): 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 (13.467 KB) | DOI: 10.24831/jai.v46i3.19342

Abstract

Genetic variation is important in plant breeding. However, information on the genetic variability of Arabica coffee especially in coffee field of North Sumatra was not yet available.  Magnitude of morphological variation, genotypic variation, phenotypic variation, heritability, genetic advance, genetic correlation, and phenotypic correlation of plant vigors and yield components of 28 genotypes were evaluated using nested design.  This research showed morphological and genetic variations of the genotypes in the field. Based on the research locations as operational taxonomic unit, the genotypes were separated into three clusters. Most of the parameters had low to moderate genotypic variation, while phenotypic variation was moderate to high. Heritability and genetic advance were low, moderate, and high. Several plant vigors and yield components had a positive significant genetic and phenotypic correlation one another, and several had negative ones. Coffee berry borer infestation (CBBI) had a highly significant negative genetic correlation with leaf width (rG = -0.309**), leaf weight (rG = -0.671**), fruit diameter (rG = -0.320**), and bean length (rG = -0.175**). CBBI showed a significant positive genetic correlation with mesocarp pH (rG = 0.134*).  To reduce CBBI, selection for higher leaf weight is better. Selection on lower pH of mesocarp could be considered to decrease CBBI.Keywords: cluster analysis, genetic correlation, genetic heritability, variability
Optimasi Konsentrasi Asetosiringon dan Higromisin dalam Transformasi Genetik Padi Fatmawati dengan Perantaraan Agrobacterium tumefaciens Sisharmini, Atmitri; Purwoko, Bambang Sapta; Khumaida, Nurul; Trijatmiko, dan Kurniawan Rudi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 3 (2018): 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 (413.29 KB) | DOI: 10.24831/jai.v46i3.19445

Abstract

Protocols for genetic transformation of rice have been widely developed, however the protocols are not universal and inapplicable for all types of rice plants directly. Transformation protocol on rice cv. Fatmawati needs to be developed to generate transgenic lines. The present research was carried out to optimize genetic transformation protocol in rice cv. Fatmawati mediated by Agrobacterium tumefaciens harboring pCambia1301 construct using immature embryo as an explant. The experiment was arranged in a completely randomized design. Factors influencing efficiency of transformation, i.e., sensitivity of callus to hygromycin antibiotic, acetosyringone concentration used in cultivation medium, hygromycin concentration for transformant selection were optimized. The results showed that genetic transformation of rice cv. Fatmawati mediated by A. tumefaciens using immature embryos have been successfully carried out with several parameters. Addition of 100 µM acetosyringone in co-cultivation medium and 30 mg L-1 hygromycin for transformant callus selection were optimal for genetic transformation of rice cv. Fatmawati mediated by A. tumefaciens. Transformation efficiency was found to be 7.84% based on the lines carrying the hpt gene. This result would be a valuable reference in genetic transformation of rice cv. Fatmawati using target genes.Keywords: immature embryo, Oryza sativa, pCambia1301, transformation efficiency
Induksi Mutasi Tanaman Leunca (Solanum nigrum L.) untuk Meningkatkan Keragaman Kandungan Tanin Saragih, Siti Hartati Yusida; Aisyah, Syarifah Iis; Sobir, dan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): 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 (632.512 KB) | DOI: 10.24831/jai.v47i1.19502

Abstract

Leunca (Solanum nigrum L. ) is one of the indigenous vegetables in Indonesia. The fruit of this vegetable is green and has bitter taste because of its tannin content. The objectives of this study were to get lethal dose 50 (LD50), diversity and to obtain candidates of mutant plants with high and low tannin content in young fruit and ripe fruit in leunca. The research was conducted at Pasir Kuda experimental station, Bogor; National Nuclear Energy Agency (BATAN), Jakarta; and postharvest laboratory of the Center for Tropical Horticulture Studies (PKHT IPB), Bogor, from December 2016 to July 2017. Leunca accession of SN 20 and SN 29 were irradiated using doses of 0, 100, 150, 200, and 250 Gy of gamma ray. The LD50 values for SN 20 and SN 29 were 171.944 Gy and 190.949 Gy, respectively. The analysis of tannin content was performed based on permanganate method by titration using potassium permanganate. The results showed that the highest tannin content of green stage fruit was found in SN20D3.5 with 200 Gy dose and the lowest was found in SN29D1.5 with 100 Gy dose. The highest tannin content of ripe fruit was found in SN20D4.6 with dose of 250 Gy and the lowest was found in SN20D3.1 with dose of 200 Gy. Recommended tannin content for leunca is the low tannin content.Keywords: diversity, gamma ray, indigenous vegetable, irradiation, LD50
Keragaman Morfologi dan Kandungan Tanin pada Tanaman Leunca [Solanum nigrum (L.)] Nadila, Dea; ,, Sobir; Syukur, dan Muhamad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): 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 (496.751 KB) | DOI: 10.24831/jai.v47i1.19554

Abstract

Black nightshades [Solanum nigrum (L.)] is an indigenous vegetable originatied from tropical and subtropical regions. In Indonesia, black naightshades widely spread in Java, especially West Java. Black nightshades has a bitter taste caused by the content of tannins. The objective of this study was to identify and analyze the morphological and tannin content of 20 black nightshades accessions. The research was started with germplasm exploration in November 2015-February 2016, followed by planting and analysis until September 2016 at a laboratory of the Center for Tropical Horticultural Studies (PKHT) IPB. The experiment was arranged in a single-factor randomized complete block design with three replications. The results from cluster analysis based on morphological variability showed that the accessions of black nightshades can be grouped into two groups. The accessions had different fruit tannin contents, and some accessions can be selected for breeding material.Keywords: group analysis, indigenous vegetable, qualitative character, quantitative character
Penyebab Kehampaan Gabah pada Persilangan Padi antar Subspesies Hermanasari, Rini; Aswidinnoor, Hajrial; Trikoesoemaningtyas, ,; Suwarno, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 2 (2008): 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 (427.254 KB) | DOI: 10.24831/jai.v36i2.20471

Abstract

ABSTRACTThe  objective  of  the  research  was  to  study  the  factors  effecting  unfilled  grains  in  intersubspecific  hybridization.  The  research  was  conducted  at  Muara, Bogor  from  April  2005  to  February  2006.  The  materials  used  in the research were  ten  F1 hybrid  combinations.  The evaluation was done by crossing the hybrids to Ciherang and it was resiprocal. A randomized block design with three replications were arranged in greenhouse. The results showed that five cross combinations produced higher unfilled grains and lower pollen fertility due to defective male gamets. The cross combinations that is Akitakomaci/IR64, Akitakomaci/Wayrarem, Akitakomaci/Salumpikit, Akitakomaci/Ketupat, and Akitakomaci/Kewal. Another five cross combinations produced normal pollen fertility but high unfilled grains. The high unfilled grains of four cross combinations was due to defective female gamets. The cross combination that is IR64/Sirendah Pulen, IR64/Lampung Putih, IR64/Lampung Kuning, and IR64/Mesir.  The other cross combination was due to defective male and female gamets  namely IR64/Brentel. Key words:  Unfilled grain, F1 hybrids, male gamets, female gamets
Induksi Kalus dan Regenerasi Tunas Padi Varietas Fatmawati Lestari, Endang G; Yunita, Rosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 2 (2008): 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 (39.121 KB) | DOI: 10.24831/jai.v36i2.20479

Abstract

Efficiency of shoot regeneration from rice callus explant is an important factor, particularly for the purpose of plant genetic improvement such as somaclonal variation, transformation and in vitro selection. In the attempt of gaining shoot regeneration, callus induction and shoot regeneration experiments were conducted in the Biological Cell and Tissue Culture Laboratory, Indonesian Center for Agricultural Biotechnology and Genetic Resources Research and Development. Mature seed was used as an explant. The media formulation for calli induction was MS + 2.4-D (1, 3, 5 and 7 mg/l ) + prolin (0 and 100 mg/l ) and hydrolyzed casein 3000 mg/l. The media for shoot regeneration was (1) MS + BA (1.2 and 3 mg/l ) + IAA 0.8 mg/l + prolin 100 mg/l, and (2) MS + BA 2 mg/l + IAA 0.8 mg/l + zeatin (0.1; 0.2 and 0.3 mg/l). The result showed that the embryogenic calli could be produced from MS + 2.4-D 3 mg/l + hydrolyzed casein 3000 mg/l treatment and the best media for shoot induction was MS + BA 2 mg/l + IAA 0.8 mg/l + zeatin 0.2 mg/l. The obtained plantlets were successfully acclimatized in the greenhouse.

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