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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 871 Documents
Respon Genotipe Padi Sawah terhadap Pemupukan Nitrogen Di Dataran Tinggi (Response of Rice Genotypes to Nitrogen Fertilizer in Highland) Yusuf La’lang Limbongan; Bambang Sapta Purwoko; , Trikoesoemaningtyas; Hajrial Aswidinnoor
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (188.335 KB) | DOI: 10.24831/jai.v37i3.1232

Abstract

The objective of this experiment was to study the response of rice genotypes to nitrogen under low temperature stress condition.  This experiment was done at Sesean rural area, Tana Toraja Regency, South Sulawesi, 1500 m above sea level with mean temperature 18oC. Experiment was designed in Completely Randomized Block Design with two factors.  The first factor comprised of 3 levels of Nitrogen dosage (0, 50, and 100 kg N / ha) and the second factor was cultivar i.e. Pulu' Mandoti, Pinjan, Lambau, Fatmawati, Sintanur and Gilirang.  The results showed that at low temperature stress condition, nitrogen, cultivar and their interaction gave significant effect on percentage of pollen fertility, percentage of filled spikelet and weight of filled grain per spikelet, while interaction between nitrogen and cultivar did not significantly affect the flag leaf length and flowering date. Rice yield decreased with increasing N levels under low temperature stress condition. There were significant positive correlations between growth components (percentage of pollen fertility, flag leaf length and flowering date) and yield components (number of tiller and grain per panicle and weight of 1000 grain).   Key words:  low temperature stress,  nitrogen fertilizer, rice, highland, pollen fertility
Grain Quality Improvement in Japonica Rice : Achievements and Prospects Kwang-Ho Kim
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (146.081 KB) | DOI: 10.24831/jai.v37i3.1233

Abstract

Several high grain quality rice varieties have been developed during the 2000's. These varieties showed translucent, zero white-core, glossy and uniform milled-grain appearance, high palatability score of cooked rice and high percentage of whole grain after milling. The high eating quality variety group was lower in protein content, softer in gel consistency, and higher in breakdown and lower in consistency and setback viscosity measured by rapid visco-amylogram. In order to produce the low protein rice grain, the nitrogen fertilizer level has to be reduced to 90-110 kg per hectare with no nitrogen top dressing after heading. Rotational irrigation during rice growing season and delayed drainage after heading was found as effective in raising the whole grain yield and eating quality of cooked rice. Slow drying to 15-16% of grain moisture is recommended with air flow temperature below 50oC. Three hundred and ninety four native rice core collections were tested for their grain appearance, eating quality determining factors, and nutritional compounds. Health- enhancing potential and second metabolite contents were also evaluated. The native collections selected for high grain quality resources were used as cross parents and two new rice varieties having dark red pericarp color were developed from the crosses using Korean native varieties. The new variety had higher phenolic compounds in brown rice and the brown rice extract of this variety induced apoptotic cell deaths in H4II cells to a larger extent than the control rice extracts.    Key words: rice, grain quality, variety improvement, native variety, red pericarp
Konstribusi Akumulasi Silikat, Nitrogen dan Aluminium terhadap Ketenggangan Aluminium dan Ketahanan terhadap Penyakit Blas pada Padi Gogo , Bakhtiar; Bambang Sapta Purwoko; , Trikoesoemaningtyas; Iswari Saraswati Dewi
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (236.15 KB) | DOI: 10.24831/jai.v37i3.1235

Abstract

Aluminum (Al) toxicity and blast disease are the most important yield-limiting factors for upland rice production in acid soils. The objective of this experiment was to examine the contribution of accumulation of Silicate (Si), Nitrogen (N) and Al in plant tissue on Al tolerance and blast disease resistance in upland rice. The experiment was arranged in a split-split plot design with 2 replications. Main plots were randomly assigned to blast treatment (control and inoculation to blast fungi). Subplots were assigned to control box (lime 1.5 AlEC) and another acid soils (no lime) box and sub-subplots were assigned to the tested genotypes. The result of the experiment showed that leaf blast disease resistance in rice cannot be solely explained by Si or N content in shoot tissue. The resistant to leaf blast disease might be attributed by high ratio Si/N weight in shoot. Al tolerance was ascribed by low reduction in root growth, high shoot dry weight, high Si content in shoot, and as well as high of  Si/Al ratio in root.   Key words:  Al-tolerance, blast disease, upland rice, Si/Al ratio
Kompetisi antara Ekotipe Echinochloa crus-galli pada Beberapa Tingkat Populasi dengan Padi Sawah (Competition of Echinochloa crus-galli Ecotypes at Several Populations Against Lowland Rice) Dwi Guntoro; Muhamad Achmad Chozin; Edi Santosa; Soekisman Tjitrosemito; Abdul Harris Burhan
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (174.726 KB) | DOI: 10.24831/jai.v37i3.1236

Abstract

Echinochloa crus-galli is a major weed in paddy field that reduces rice yield.  The objective of the research was to study the effect of E. crus-galli ecotypes and populations on rice growth and production.  The research was conducted in a green house using split plot design with three replications.  The main plot consisted of three E. crus-galli ecotypes i.e ecotype from Karawang, Cikampek, and Sukabumi. E. crus-galli population as sub plot consisted of 0, 1, 2, 3, and 4 E. crus-galli per pot.  The results showed that ecotype of E. crus-galli affected plant height, number of tiller, and panicle density. The competitivenes against rice of E. crus-galli ecotype Cikampek was higher than that of ecotype Sukabumi and Karawang. Population E. crus-galli affected rice growth and production.  Population of E. crus-galli 4/pot decreased spikelets weight about 48.0% and filled spikelets weight about 46.2%.  Interaction of ecotype and population of E. crus-galli did not affect rice growth and production.   Key words:  competition, ecotype, E. crus-galli, population, weed.
Pendugaan Parameter Genetik dan Seleksi Galur Mutan Sorgum (Sorghum bicolor (L.) Moench) di Tanah Masam (Estimation of Genetic Parameters and Selection of Sorghum Mutant Lines under Acid Soil Stress Conditions) Sungkono Sungkono; Trikoesoemaningtyas Trikoesoemaningtyas; Desta Wirnas; Didy Sopandie; Soeranto Human; Muhammad Arif Yudiarto
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (317.958 KB) | DOI: 10.24831/jai.v37i3.1238

Abstract

  Sorghum is one of high value commodities for food and energy security due to its wide adaptation. The objectives of this research were to study some genetic parameters of sorghum agronomic traits grown under acid soil conditions and to select aluminum-tolerant sorghum mutant lines.  The selection was conducted in an augmented design with 61 lines at the field research station of B2TP-BPPT Lampung. Genetic materials used were mutant lines developed throught gamma irradiation.  The results showed that there was significant differences among the mutant lines for  some agronomic characters observed.  The heritability estimates for agronomic characters were classified as intermediate to high.  Selection based on seed weight and biomass production resulted three best sorghum mutan lines i.e ZH30-29-07, ZH30-30-07, and ZH30-35-07.  These lines showed the best yield and biomass production under acid soil condition.   Key words:  sorghum, acid soil, heritability, selection
Ketahanan terhadap Antraknosa yang Disebabkan oleh Colletotrichum acutatum pada Beberapa Genotipe Cabai (Capsicum annuum L.) dan Korelasinya dengan Kandungan Kapsaicin dan Peroksidase Muhamad Syukur; Sriani Sujiprihati; Jajah Koswara; , Widodo
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (179.531 KB) | DOI: 10.24831/jai.v37i3.1240

Abstract

Anthracnose is one of the most destructive pepper diseases in Indonesia. Colletotrichum acutatum has been identified as a predominant species in pepper fields of Asian countries including Indonesia. The experiment used completely randomized block design with 2 factors and 4 replications. The first factor was 14 genotypes (c-1,2,3,4,5,7,8,9,15,18,19,28,47, and 49, and the second factor was 4 isolates of C. acutatum (PYK 04, BGR 027, MJK 01, and PSG 01). Each experimental unit used 10 green pepper fruits.  Inoculation methods followed the AVRDC procedure and resistance score followed the modified procedure of Yoon method. Symptoms were evaluated five days after inoculation. Disease incidence was evaluated using Yoon method with slight modifications. The experiments showed that C-15 genotype was more resistant to anthracnose than others; C-8 and C-49 genotypes were recorded as susceptible to anthracnose. Except the three genotypes, all other genotypes were recorded as highly susceptible to anthracnose. Capsaicin content and peroxsidase activities were not correlated with resistance to anthracnose.   Key words:  pepper, resistance, anthracnose, Colletotrichum acutatum
Embriogenesis Somatik dari Eksplan Daun Anggrek Phalaenopsis sp L. (Somatic Embryogenesis from Leaf Eksplant of Phalaenopsis Orchids) Sri Rianawati; Agus Purwito; Ridho Kurniati; Budi Marwoto; Suryanah Suryanah
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (606.295 KB) | DOI: 10.24831/jai.v37i3.1241

Abstract

Somatic embryogenesis has been recoqnized as one of the process on plant micropropagation  techniques. This process occured through regeneration by direct embryo formation and through an intermediary callus phase. This research was conducted through an intermediary callus phase. The experiment was initiated with callus induction from leaf explant on five modifications of MS medium i.e :1/2MS without plant hormone  (MI-0); ½ MS containing 1mg/L BA + 0.5 mg/L 2.4-D + 1mg/L NAA  (MI-1);1/3 MS containing 2 mg/L  2.4-D (MI-2); ½ MS supplemented with 0.5 mg/L 2.4-D + 0.5 mg/L BAP +0.2 mg/L thidiazuron (MI-3); ½ MS supplemented 2 mg/L thidiazuron and 1 mg/L BAP (MI-4). After the tissues were swollen, the  explants  were  placed on callus proliferation medium  ½ MS supplemented with 0.2 mg/L thidiazuron and 0.5 mg/L 2.4-D (MP). After two months, calli were  regenerated in regeneration medium ½ MS supplemented with 0.4  mg/L BAP and 0.2 mg/L  2.4-D (MR). The results of this research  showed that  MI-1 and MI-3 were the best swelling explant mediums   before the callus  produced in both MP and MR medium. Callus produced was increased in every subculture. However, the level of callii production decreased on the following subculture. Plantlets were regenerated from somatic embryos derived from  callii on MR medium. The results of this study may contribute to our advancement of scientific knowledge achievements tissue culture techniques to support inconventional plant improvement.   Key words:  embryo somatic induction, in vitro, embryogenic callii  
Efisiensi Beberapa Substrat dalam Pengujian Viabilitas Benih Berukuran Besar dan Kecil (Efficiency of Several Substrates for Seed Viability Testing of Large and Small Seeds) Faiza Chairani Suwarno; Deni Budhi Santana
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (175.265 KB) | DOI: 10.24831/jai.v37i3.1242

Abstract

The quality of paper substrate for seed viability testing is determined mainly by the variety and amount of the papers. A study was conducted to find  alternative paper and the optimum amount of paper for testing the viability of large and small seed with the rolled paper method. Two experiments were carried out at the Seed Science and Technology Laboratory, Bogor Agricultural University during April-September 2004 and July-December 2007. First experiment: large and small seeds represented by 5 plants (angled loofah, pumpkin, garden pea, bitter gourd, yam bean) and 7 plants (sorghum, cucumber, mungbean, soybean, horenzo, radish and wheat), respectively, were tested on 4 different paper substrates (straw, stencil, CD, and HVS) following the rolled paper method. Second experiment: large seeds of maize and ground nut, and small seeds of rice and mungbean were tested on paper substrates selected from the first experiment, straw, stencil, and CD, with different number of sheet, i.e. 2, 3, 4, and 5 sheets. Each plant seed was considered as an experiment and a randomized block design was applied to all experiments. The result indicated that for the large seeds, stencil and CD papers had equal and high similarity with the reference straw paper substrate, 100% and 80% for germination percentage and dry weight of normal seedlings, respectively. For the small seeds, only stencil paper showed high similarity for germination percentage variable, 86%, with the reference paper, whereas the other paper showed lower similarity, 57%  for both CD and HVS papers.  The second experiment showed that 2 sheets of straw, stencil or CD papers were enough for testing viability of large and small seeds to obtain germination percentage, but ground nut needs 4 sheets of straw paper. For vigor index variable, efficiency  of substrate paper on large and small seeds varied from 2 to 4 sheets. Key words:  substrate efficiency, rolled paper method, straw paper, seed size, viability testing
Karakterisasi dan Analisis Gerombol Plasma Nutfah Jarak Pagar Indonesia dan Beberapa Negara Lain Menggunakan Marka Morfologi dan Molekuler Memen Surahman; Edi Santosa; Fifin Nashirotun Nisya
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (182.606 KB) | DOI: 10.24831/jai.v37i3.1243

Abstract

  Characterization is important in breeding program and developing superior varieties of jatropha.  Jatropha characterization can be analyzed based on its morphological and agronomical characteristics.  In this study, a molecular marker, Random Amplified Polymorphic DNA (RAPD), was applied for cluster analysis.  This study was aimed at analyzing character and similarity of 30 jatropha germplasms of SBRC-IPB collection. Results showed that 30 jatropha accessions have high character variability.  Dendogram of RAPD marker showed that at 33% similarity level, the 30 jatropha accessions could be classified into three main groups.  It was also shown that Papua and China accessions had similarity levels higher than 80%.  Based on production characteristic identification, the potential accessions to be developed further included Palembang, Pontianak, Pidi, Palembang I, Pagar Alam, Medan, Curup, Lampung I, Lampung II, Komering, and Indralaya.   Key words:  Jatropha curcas L., characterization, cluster analysis, morphological marker, RAPD marker  
Potency of Sago Palm as Carbohydrate Resource for Strengthening Food Security Program Hiroshi Ehara
Indonesian Journal of Agronomy Vol. 37 No. 3 (2009): 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 (603.275 KB) | DOI: 10.24831/jai.v37i3.1255

Abstract

A new competition between biofuel production and food production has occurred in recent years, therefore the development of some new plant resources and their utilization are needed.  Sago palm and related species that can store a large amount of starch in the trunk and can grow under severe environmental conditions are considered to be potential starch resources for not only food production but also ethanol production.  However, even sago palm, an elite species among the starch producing palms, grows under semi-domesicated or natural condition and there are many problems to utilize it.  Thus, the systematic, ecological, physiological, agronomic and economic studies should be carried out for improvement of these species.  Here, the recent research progress is reviewed.  Large variation in morphological characteristics and palm size existed among the folk varieties of sago palm, and the difference in pith dry-matter yield was mainly attributable to trunk diameter and dry-matter content of the pith.  The two key parameters were closely related with soil profile indicating natural fertility.  On the other hand, the genetic distance of sago palm individuals grown in the Malay Archipelago was considered to be related to geographical distribution.  The genetic variation was small in the western area and large in the eastern area.  Sago palm tolerated up to 171mM (1.0%) NaCl concentration in the growth media for comparatively long period.  The salt resistance of sago palm might be due to salt avoidance to mechanically restrict an excess of Na distribution from the roots to leaflets.  The Na influx might be disturbed by the endodermal cells of roots even under 342mM (2.0%) NaCl condition.  Sago palm tolerated severe low pH condition such at pH 3.6 in the growth media for 5 months at least and maintained a low Al3+ concentration in the plant tissues.  Sago palm was considered to have a high tolerance to Al with the Al exclusion ability.  Moreover, the growth of sago palm was stimulated when AlCl3 was added into the growth media with 10ppm Al.  These physiological information on the growth response of sago palm to environmental stresses will be valuable for investigating concrete strategies to introduce new plant resources to barren lands with sterile soil and produce economic plants from poor productivity lands.   Key words:  acid soil, biofuel, genetic variation, Metroxylon, salt stress, starch  

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