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Fatardho Zudri
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Jl. Meranti, Kampus IPB Dramaga, Bogor 16680
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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
Pola Kemajuan Seleksi pada Cabai Rawit Spesies Capsicum annuum L. ,, Rosminah; Maharijaya, Awang; 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 (560.577 KB) | DOI: 10.24831/jai.v47i1.21922

Abstract

Improvement of chilli’s quantitative traits requires several stages of breeding program, one of these is selection stage. The objective of this study was to obtain the information concerning the means and ranges of some quantitative characters, inbreeding depression, heritability estimates, and response to selection from six generations derived from crossing two parents of chili peppers. Materials used were IPB C160 (female), IPB C291 (male) as parents, F2, F3, F4, F5, and F6 derived from crossing of these parents with a total number of 630 plants. Results from this study showed that the mean valuesbetween the generations F2 to F6 showed an increase in the observed character except of harvesting time. The highest value of inbreeding depression for harvest time, weight per fruit, and fruit length was found in F5 generation. The highest value of inbreeding depression for fruit weight per plant, number of fruit per plant, and fruit weight was found in F6 generation, and for fruit diameter was found in F4 generation. The narrow-sense heritability estimates were classified into low to moderate criteria. In general, declined responses to selection for quantitative characters in the six generations of chili were observed.Keywords: advance selection, heritability, inbreeding depression, means value
Komposisi Media Pertumbuhan Protokorm Sebelum Perlakuan Kolkisin untuk Meningkatkan Poliploidi pada Phalaenopsis amabilis (L.) Blume Putri, Astrid Aditya; Sukma, Dewi; Aziz, Sandra Arifin; Syukur, dan Muhamad
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 (583.973 KB) | DOI: 10.24831/jai.v46i3.22063

Abstract

Polyploidy induction in Phalaenopsis amabilis is one of the methods to increase plant genetic diversity. A highly meristematic condition of protocorm induced by cytokinines may improve the success rate of polyploidy induction. This experiment was aimed to study the effect of Benzylaminopurine (BAP), Thidiazuron (TDZ) and coconut water (CW) in a half concentration of Murashige & Skoog (MS) medium before colchicine treatment on growth, multiplication and the success rate of polyploidy induction on Phalaenopsis amabilis protocorm. The experiment used completely randomized  design with one factor, medium treatment (15% of CW); 0.51 mg L-1 BAP; 0.50 mg L-1 TDZ; 15% CW + 0.51 mg L-1 BAP; 15% CW + 0.50 mg L-1 TDZ). Each treatment consisted of three replications with five culture bottles of protocorm for each replication and ten protocorms per bottle. The protocorms were incubated for eight weeks in the medium before treated with 50 mg L-1 of colchicine for ten days. The results showed that 15% CW, 15% CW + 0.51 mg L-1 BAP or 0.5 mg L-1 TDZ gave the highest percentage (100%) of alive protocorm. The highest percentage of protocorm multiplication were resulted from 15% CW+0.51 mg L-1 BAP (65.3%) and 15% CW + 0.5 mg L-1 TDZ (62.7%). The best treatment to promote formation of leaves and roots from protocorm was 15% CW. The percentage of polyploid plantlets of 3% was found in plantlet from 15% CW + 0.50 mg L-1 TDZ media treatment while from other treatments could not be detected.Keywords: BAP, chromosome, coconut water, plantlet, TDZ
Aplikasi Plant Growth Promoting Rhizobacteria dalam Meningkatkan Produktivitas Bawang Merah di Lahan Pasir Pantai Tuhuteru, Sumiyati; Sulistyaningsih, Endang; Wibowo, dan Arif
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 (402.309 KB) | DOI: 10.24831/jai.v47i1.22271

Abstract

The use of Plant Growth Promoting Rhizobacteria (PGPR) is one of the most effective techniques to improve fertility of sandy coastal lands. The purpose of this research was to obtain the most effective isolate of PGPR for the growth of three shallot cultivars in the sandy coastal land. The research was conducted in August-November 2015 at Samas sandy coastal land, Bantul. The two-factor treatments were assigned in a randomized complete block design with three replications. The first factor was shallot cultivars, consisted of Crok, Tiron, and Tuk-tuk, while the second factor was the PGPR suspension, i.e. control (without PGPR), PGPR BP25.2 isolate (Bacillus methylotrophicus), BP25.6 isolate (Bacillus amyloliquofaciens), BP25.7 isolate (Bacillus subtilis), BrSM 4 isolate (Burkholderia cepacia), and BrSG 5 isolate (Burkholderia seminalis). The results showed that all PGPR isolates tested had the ability to produce IAA, with the highest amount of IAA concentration produced by BrSG 5 isolate (Burkholderia seminalis) combined with the three cultivars (22.46 mg kg-1, 28.61 mg kg-1, 41.41 mg kg-1). BP25.2 isolate (Bacillus methylotrophicus) effectively induced N (0.05%), whereas BP25.7 isolate (Bacillus subtilis) effectively induced P (0.22 ppm).Keywords: Bacillus, bacteria, marginal land
Hasil dan Kualitas Okra (Abelmoschus esculentus L. Moench.) Merah dan Okra Hijau dengan Jenis Pupuk yang Berbeda Manik, Auhge Eva Sari; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
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 (351.552 KB) | DOI: 10.24831/jai.v47i1.22295

Abstract

Okra fruit contains phenolic compounds as natural antioxidant. The aim of this research was to analyze the effect of different types of fertilizers on production and quality of two okra varieties. The experiment was conducted in October 2017 to February 2018 at Bogor Agricultural University experimental field at Leuwikopo, Darmaga, Bogor (-6033’49.3”SL, 106043’30.7’’EL). The experiment used nested randomized complete block design with 2 factors and 4 replications. The first factor consisted of two okra varieties with different colour (red and green okra). The second factor was fertilizer types consisted of no fertilizer, organic (cow manure), combination of organic + inorganic, and inorganic fertilizer. The results showed that fertilizer types significantly affected plant height and fruit N content but did not affect fruit production. Red okra had a higher plant height, lower number of leaves and leaf K content than those of the green okra. The interaction effect of both factors was significant on total phenolic content in fruit and P content in leaf. The highest total phenolic content in fruit was showed by red okra with inorganic fertilizer, although it was not significantly different to those of red okra with combination organic + inorganic fertilizer, and also to green okra with organic fertilizer. The highest P content in leaf was found in red okra without fertilizer, however it was not significantly different to red okra with combination organic + inorganic fertilizer, green okra with organic fertilizer, and green okra with inorganic fertilizer.Keywords: inorganic fertilizer, leaf nutrient, organic fertilizer, phenolic compound
Potensi Hasil dan Toleransi Galur-galur Inbrida Sorgum pada Tanah dengan Hara Fosfor Rendah Momongan, Jorex Daniel; Trikoesoemaningtyas, Trikoesoemaningtyas; Wirnas, Desta; Sopandie, dan Didy
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 (314.307 KB) | DOI: 10.24831/jai.v47i1.22629

Abstract

Sorghum development in Indonesia is directed towards cultivation in dryland and acid soil with low P availability. This research was aimed to obtain information on the performance of sorghum traits for selection in P deficient environment at early vegetative phase (3 weeks after planting), agronomic and yield potential traits in both P sufficient and P deficient environments, also to select high productivity sorghum genotypes which could tolerate P deficiency. The genetic materials used were 19 F7 recombinant inbred lines from a cross of B69 x Numbu developed under optimum condition (indirect breeding) by single seed decent. Variety Numbu and B69 used as checks. This research was conducted at The Indonesian Center for Biotechnology and Agriculture Plant Genetic Resources experimental field, Bogor, from May to September 2017. The experiment used a randomized complete block design with 3 replicates. The results showed that agronomic and yield traits varied among inbred lines under low P condition and optimum P condition. Adaptive lines showed better growth and yield compared to sensitive ones under low P condition. Plant height, panicle weight, and grain weight per panicle had high estimates of broad sense heritability. Selection based on stress tolerance index was able to identify inbred lines 286-6, 115-9, 114-7, 331-8, 170-9, 151-8, 104-7, 413-7, 68-5, 315-6, and 341-7 as tolerant to low P condition.Keywords: heritability, indirect breeding, optimum P condition, stress tolerance index
Skrining Awal Toleransi Galur-galur Dihaploid Padi Gogo terhadap Cekaman Kekeringan pada Stadia Bibit Kartina, Nita; Purwoko, Bambang Sapta; Dewi, Iswari Saraswati; Wirnas, Desta; Nindita, dan Anggi
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 (392.62 KB) | DOI: 10.24831/jai.v47i1.22766

Abstract

Development of doubled haploid lines of upland rice through anther culture is one way to obtain superior upland rice varieties tolerant to drought. The objectives of this research were to determine the response of doubled haploid lines to drought stress at seedling stage and to select tolerant doubled haploid lines. The research was conducted at a screenhouse of Muara Research Station, Indonesia Center of Rice Research (ICRR) from November to December 2017. Fourteen doubled haploid lines and 4 check varieties, namely Inpago 10 and Limboto, Salumpikit (drought tolerant check) and IR 20 (drought sensitive check) were used in this study. The experiment was arranged in a randomized complete block design with three replications. The observations were conducted on leaf rolling, leaf drought, and recovery ability. Based on Friedman nonparametric analysis, HR-5-7-1-1 and HR-7-15-2-1 had moderate response with estimated median values for leaf rolling of 3.44 and 3.00, respectively. Three doubled haploid lines namely HR-2-27-2-7, HR-2-34-1-3 and HR-7-15-2-1 had moderate response to drought with estimated median value of leaf drought of 3.56. Nine lines of doubled haploid had tolerant response with estimated median value of recovery ability of 1.00-1.56. Based on weighted selection index, nine doubled haploid lines with positive and high selection index were identified; however, only two lines (HR-7-15-2-1 and B3-2) had selection index higher than Inpago 10 and Limboto.Keywords: drought tolerance, leaf rolling, recovery, weighted selection index
Perbandingan Arachis pintoi dengan Tanaman Kacang-kacangan Penutup Tanah Lain dalam Menekan Laju Erosi pada Lahan Kelapa Sawit Berbukit Sarjono, Arif; Guntoro, Dwi; Supijatno, 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 (356.707 KB) | DOI: 10.24831/jai.v47i1.22891

Abstract

Land preparation of oil palm plantation in hilly areas is vulnerable to environmental degradation. Legume cover crops can be used in vegetation system for soil conservation to control erotion. Arachis pintoi is a legume potential for cover crop. The objective of the research was to study the role of A. pintoi in suppressing soil erosion rate in oil palm land with the topography of hilly land. The research was conducted on the land of Bukit Kemuning farmer group, Mersam, Batanghari, Jambi with an average slope of 22.8% from September 2017 to March 2018. The experimental design used was a single-factor randomized complete block design with five treatments and four replications. The treatment consisted of natural vegetation, Arachis pintoi, Centrosema pubescens, Pueraria javanica and Calopogonium mucunoides. The results showed that the rate of increased leaf number of A. pintoi was 13.6 pieces per week and could cover the ground surface 100% at 20 weeks after planting (WAP). The dry weight of A. pintoi biomass was 496.08 g m-2 at 20 WAP. A. pintoi suppressed soil erosion by 80.45% as compared to natural vegetation treatment. However, it was not significantly different on suppression rates to other biomulch treatments.Keywords: biomass, Calopogonium mucunoides, Centrosema pubescens, land cover crop, Pueraria javanica
Peran Eksopolisakarida Azotobacter dan Bahan Organik untuk Meningkatkan Nodulasi dan Biomassa Kedelai pada Dua Ordo Tanah Hindersah, Reginawanti; Rostini, Neni; Kalay, Agustinus Marthin; Harsono, dan Arief
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 2 (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 (357.77 KB) | DOI: 10.24831/jai.v47i2.23328

Abstract

Exopolysaccharide (EPS) produced by nitrogen-fixing bacteria Azotobacter protect nitrogenase from oxygen. In legume,EPS plays a role in the immobilization of rhizobia to the roots. The objective of this experiment was to study the effect of EPSAzotobacter and organic matter on increasing number of nodules and biomass of soybeans grown in Inceptisols and Ultisols;as well as nitrogen-fixing bacteria population in soybean rhizosphere. The experiment was set up in a completely randomizedblock design with five replications to test combined treatments of two doses of crude EPS and organic matter. Nodule number,shoot dry weight and nitrogen uptake, as well as Azotobacter and Rhizobium population in soybean grown in Inceptisolsfollowing crude EPS and compost application, were higher than those grown in Ultisols. The application of EPS and compostIn Ultisols did not affect the number of nodule and other traits, but in Inceptisols, adding 6.25 g of compost and 20 mL of EPSto each plant increased the number of nodules and shoot weight at 42 days after planting. However, the highest N uptake wasdemonstrated by soybean received 10 mL and 20 mL EPS along with 12.5 g compost.
Kandungan Antosianin dan Karotenoid serta Komponen Produksi pada Kacang Panjang Berpolong Ungu dan Hijau Reswari, Helvi Ardana; Syukur, Muhamad; Suwarno, dan Willy Bayuardi
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 (324.367 KB) | DOI: 10.24831/jai.v47i1.23402

Abstract

Breeding improved yardlong bean varieties is not only aimed for yield, but also for enhancing nutritional content such as anthocyanin and carotenoids concentrations. The objectives of this research were to elucidate the anthocyanin and carotenoids concentrations as well as yield components in several yard long bean genotypes. This research was conducted at the Leuwikopo Experimental Station and Post Harvest Laboratory of Department of Agronomy and Horticulture IPB from November 2017 to January 2018. The experiment was arranged in a single-factor randomized complete block design with 4 replicates, involving 15 yardlong bean genotypes. The results showed that Fagiola 2 had relatively high anthocyanin and carotenoids contents. Peleton had higher yield than Kinaya 1, Pangeran Anvi, Parade, and Fagiola 2. Anthocyanin content was not correlated with yield components, whereas carotenoids content was positively correlated with the length of pod stalks, length of pods, weight per pod, chlorophyll a, chlorophyll b, and total chlorophyll. Pod weights per plant were positively correlated with the number of pods per plant (r = 0.81, P<0.01), and can be predicted by a linear model involving number of pods per plant and days to harvest (R2 = 0.75, P<0.01).Keywords: biofortification, chlorophyll, correlation, stepwise regression, Vigna unguiculata var. sesquipedalis
Potensi Gulma Siam (Chromolaena odorata L.) sebagai Bahan Kompos untuk Pengembangan Bawang Merah Organik Nugroho, Bambang; Mildaryani, Warmanti; Candra Dewi, dan Sri Hartati
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 2 (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 (316.919 KB) | DOI: 10.24831/jai.v47i2.23440

Abstract

Siam weed growing in any locations can be used for developing organic agriculture in Indonesia. The research was to find the quantitative and qualitative potential of siam weed as compost material for organic shallot cultivation. This study was descriptive-quantitative research using survey method done in four regencies in Yogyakarta Special Province and laboratory analysis. Purposive random sampling was used in survey method to determine the samples by applying random sampling and nested design. Laboratory analysis was to know nutrient content of siam weed. Shallot was planted using siam weed compost of 10 and 20 ton ha-1, inorganic fertilizer of 500 kg NPK Mutiara 16-16-16 ha-1 and the control. Siam weed was potential for developing organic shallot in Indonesia. Siam weed produced fresh biomass of 80 ton ha-1 with the population density of 24-37 individual m-2 and spread over almost all locations in Yogyakarta Special Province. Siam weed also contained higher nutrients of 2.56% N, 0.38% P, and 2.41% K with C/N ratio of 19.52 under the critical point of 30 so that easy to mineralized. The use of siam weed compost stimulated leaf number on shallot at 7 weeks after planting compared to the use of inorganic fertilizer and the control, but gave no significant yield of 19.71, 15.56, and 18.92 ton ha-1 of bulb, respectively.Keywords: organic fertilizer, development, nutrient

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