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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
Evaluasi Ketahanan Tanaman Padi Haploid Ganda Calon Tetua Padi Hibrida terhadap Wereng Batang Coklat dan Hawar Daun Bakteri Dewi, Iswari S.; Apriana, A.; Sisharmini, A.; Somantri, Ida H.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (46.334 KB) | DOI: 10.24831/jai.v35i1.1305

Abstract

The susceptibility of introduced hybrid rice to main rice pests and diseases is subject to be improved through the improvement of its parental lines, i.e. restorer and male sterile/cms lines.  From previous experiment, through anther culture of F1 from maintainer or restorer crossed to released varieties we obtained doubled haploid spontaneous plants or pure lines.  The objectives of this research were to evaluate those doubled haploid plants to brown plant hopper (BPH biotype SU) and bacterial leaf blight (BLB) strain IV and VIII. Standard Evaluation System for Rice (SES, IRRI) was used to evaluate their resistance to those pest and disease.  Plant materials used were a) 15 doubled-haploid plants (DH2) potential as cms lines derived from anther culture of F1 IR58025B x Sintanur and IR62829B x Ciherang; and b) 17 doubled-haploid plants (DH2) potential as restorer lines derived from anther culture of F1 IR53942R x Ciherang and BR827-35R x Sintanur.  Bioassay with BPH showed that for plants potential as maintainer lines there were only 3 moderately susceptible lines, while for plants potential as restorer lines there were one resistance line (BioR-Ac-W-HD-15) and one moderately resistance line (BioR-Ac-W-HD-16). The results of bioassay with BLB in lines potential as maintainer were: a).  For BLB strain IV we obtained one moderately resistance line (BioM-Ac-W-HD-4), b) For BLB strain VIII we obtained 5  moderately resistance lines (BioM-Ac-W-HD-5, 6, 7, 11 dan 12).  Furthermore, the results of bioassay with BLB in lines potential as restorer lines were: a)  For BLB strain IV we obtained 2 moderately resistance lines (BioR-Ac-W-HD-15, and 16), b) For BLB strain VIII we obtained 16 moderately resistance lines, i.e. BioR-Ac-W-HD-(1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, dan 17).  All lines will be evaluated further in the field.   Key words: doubled-haploid, rice, BPH, BLB
Evaluasi Aplikasi Biofertilizer EMAS pada Tanaman Jagung di Pelaihari, Kalimantan Selatan Santi, Laksmita Prima; Sumaryono, ,; Goenadi1, Didiek Hadjar
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (11.817 KB) | DOI: 10.24831/jai.v35i1.1306

Abstract

Implementation of national food safety program to increase food production still faces some constraints.  The intensification program has resulted the marginal land to be fully dependent on chemical fertilizers, where leveling-off production has occurred. Low organic matter content as a source of microbial feed and energy decreased the activity of soil microbes.  Efficiency of fertilization on marginally suitable soils might be achieved by the application of biofertilizer.  Enhancing Microbial Activities in the Soils (EMAS) is a biofertilizer consisting of non-symbiotic N-fixing bacteria, phosphate-solubilizing microbes, and aggregate stabilizing microbes. This experiment was initiated to evaluate the effectiveness of EMAS bio-fertilizer in reducing the dosage of conventional fertilizers used in corn at Pelaihari, South Kalimantan.  Based on the current production value and total of cost production, reducing 25, 50 and 75% conventional fertilizer provided the planters with 1.44, 1.13, and 1.12 revenue cost ratio.  Yield of dry grain of corn was higher (+41.8%) by application of 75% standard dosage and 1 gram EMAS biofertilizer/plant (53.3 kg/ha) than by standard dosage of conventional fertilizer.   Key words: bio-fertilizer EMAS, corn, evaluation, pelaihari
Pendugaan Nilai Heterosis dan Daya Gabung Beberapa Komponen Hasil pada Persilangan Dialel Penuh Enam Genotipe Cabai (Capsicum annuum L.) Sujiprihati, Sriani; Yunianti, Rahmi; Syukur, Muhamad; Undang, U
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (51.228 KB) | DOI: 10.24831/jai.v35i1.1307

Abstract

The objective of this study was to  estimate the  heterosis and heterobeltiosis of thirty chili hybrids, the general combining ability (GCA), and the specific combining ability (SCA) of six chili (Capsicum annuum L.)   inbred lines. The experiment was conducted from October 2005 to March 2006 at IPB Experiment Field, Cikabayan, Darmaga. Randomized Complete Blocked Design was used with three replications.  All characters were significantly different for heterosis, heterobeltiosis, general and specific combining ability. Significant  differences were noted in reciprocal effect for fruit weight, and yield per plant. Hybrid IPB C-2 x IPC C-3 and IPB C-3 x IPB C-1 had positive heterosis and heterobeltiosis values for all variables observed. IPB C-2 showed the highest GCA for yield per plant and fruit length, IPB C-3 and IPB C-7 showed high GCA for yield per plant, fruit length, fruit width, and fruit weight. Crosses having high SCA for all variables observed were IPB C-1 x IPB C-3 and IPB C-2 x IPB C-3. Cross combination of IPB C-2 x IPB C-3 was the best hybrid.   Key words: chili, heterosis, heterobeltiosis, combining ability, full diallel
Karakteristik Kimia Lahan Gambut Dangkal dan Potensinya untuk Pertanaman Cabai dan Tomat Alwi, Muhammad; Hairani, Anna
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (256.211 KB) | DOI: 10.24831/jai.v35i1.1308

Abstract

Experiment was conducted on shallow peat with depth (50 - 75 cm) and C/D flooding type at Purwodadi village, Maliku District, Pulang Pisau Regency, Central Kalimantan in wet season 2003.  Ten samples were taken from areal of 2 ha for studying characteristics of shallow peat.  Nutrient absorption of crops and soil nutrient after harvesting  were also analyzed.  This experiment used split plot design with three replications.  As a main plot was input application (M1) : manure (5.000 kg/ha), lime (2.000 kg/ha), urea (150 kg/ha), SP36 (312.5 kg/ha) and KCl (200 kg/ha) for tomato and SP36 (187.5 kg/ha) and KCl (125 kg/ha) for red pepper and without application (M0). Five varities of red pepper (Tombak 1, Tanjung 1, Tanjung 2, Prabu and Hot Chilli) and, five varities of tomato (Oval, Ratna, Mirah, Berlian and Permata) were as subplots. The results showed that soil chemical characteristics were : peat depth 50 - 75 cm, phyrite depth 75 - 100 cm, soil pH 3.5 - 4.0, C-organic content 12 - 24 %; range of nutrient availability : N (0.4 - 0.6 %), P (30 - 50 ppm P), K (0.1 - 0.3 me/100 g), Ca (1 - 6 me/100 g), Mg (0 - 1 me/100 g), Fe (20 - 120 ppm Fe) and Al (1 - 7 me/100 g).  Availability of nutrients N, P, K, Ca, and Mg was low, and it could be increased by application of some inputs such as manure, lime, urea, SP36 and KCl.  Low nutrient availability and crop absorption especially K, Ca, and Mg was a main factor that retarded crop growth.  Red  pepper and tomato yields ranged 0.59 - 4.02 and 4.77 - 10.99 t/ha for control treatments and 3.44 - 7.72 and 14.85 - 35.98 t/ha with input application.   Key words : amelioration, yield potency, red pepper, tomato, shallow peat
Pengaruh Sarcotesta dan Kadar Air Benih terhadap Kandungan Total Fenol dan Daya Simpan Benih Pepaya (Carica papaya L.) Sari, Maryati; Suhartanto, M. R.; Murniati, Endang
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (83.112 KB) | DOI: 10.24831/jai.v35i1.1309

Abstract

There are phenolic compounds in sarcotesta of papaya seed which can act either as inhibitor or as antioxidant.  The objective of this experiment was to study the effect of sarcotesta and seed moisture content on total phenolic content and seed longevity of papaya seed.  The experiment was conducted in November 2004 - May 2005, at Bogor Agicultural University, by using papaya seed (IPB-1) harvested from Center for Tropical Fruit Studies orchard in Bogor. In this study, seeds were dried in the absence and presence of sarcotesta until 11-12% and 6-7% moisture content (mc).  After drying, seeds were packed in sealed plastic bag and stored in ambient room until 0, 3, 6, 9, 12 and 15 weeks. Seed viability and total phenolic compound were evaluated every 3 weeks.  Total phenolic content of seed with sarcotesta was higher (> 327mg/100g dry weight) than the seed without sarcotesta (
Karakterisasi Morfologi Bunga dan Buah Abnormal Kelapa Sawit (Elaeis guineensis Jacq) Hasil Kultur Jaringan Hetharie, Helen; Wattimena, Gustav A.; Thenawidjaya S., Maggy; Aswidinnoor, Hajrial; Toruan-Mathius, Nurita; Ginting, Gale
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (665.766 KB) | DOI: 10.24831/jai.v35i1.1310

Abstract

Tissue culture-derived plants of oil palm (Elaeis guineensis Jacq) can produce abnormal female dan male flowers, especially female, which develop into mantled fruit. This abnormality have caused yield lost up to 40%. The objectives of this research were to study the stages of flower development in which the abnormality started to appear, to characterize the morphology of the abnormal flower and fruit, and to determine the degree of abnormality. Plant materials used in this research were MK152, MK 176, MK 203, MK163, MK104, MK 212 and MK 209 clones obtained from the collection of "Badan Pengkajian dan Penerapan Teknologi (BPPT)" in Ciampea, Bogor. Characterization of abnormality at the flowering stage was conducted  based on morphological performance at several stages of flower development, while the degree of abnormality at fruiting stage was determined based on the condition of carpel, mesocarp and seed. Normal flower and fruit of the same clone were used as the control. The results showed that the abnormality started at primordial stage of flower organ formation. Supplement carpel was found surrounding gynoecium for the abnormal female flower, which was composed of three to six carpels present at  separate whorl of flower. Abnormal male  flower had no additional whorl of  flower, instead stamens were converted into carpel-like structures. In this case, number of carpels structure depends on the degree of abnormality. There were three levels of abnormality, i.e. light abnormality (AbR), heavy abnormality (AbB) and severe abnormality (AbSB). The severe abnormal fruit was seedless, with soft mesocarp (AbSB1) and woody mesocarp (AbSB2).   Key words : oil palm, mantled fruit, supplement carpel, flower whorl, tissue culture
Effect of Different Nitrogen and Potassium Rates on Agronomic Characters of Aloe indica Hossain, Kazi Liaquat; Wadud, Md. Abdul; Kashem, Md. Abul; Santosa, Edi; Ali, Md. Shajahan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 1 (2007): 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 (38.439 KB) | DOI: 10.24831/jai.v35i1.1311

Abstract

A field study was conducted to investigate the growth of Aloe indica with different rates of nitrogen and potassium fertilizers at the Germplasm Centre, Department of Horticulture, Bangladesh Agricultural University.  Treatments consisted of 0, 200 and 300 kg nitrogen/ha and 0, 100 and 200 kg potassium/ha. The rates of nitrogen and potassium had significant effect on the leaf production of Aloe indica when compared to control. Leaf yield of Aloe indica was highest at application of nitrogen at rate 200 kg/ha and potassium at rate 100 kg/ha. Leaf protein content was 12.71% higher at 200 kg N/ha and 8.47% higher at 300 kg N/ha compared to control. Potassium application at rate of 100 and 200 kg/ha produced 4.86 % and 8.51% higher leaf protein content than the control, respectively. It is recommended to apply nitrogen at rate 200 kg/ha and potassium at rate 100 kg/ha for leaf production of Aloe indica.   Key words: Aloe indica, chemical fertilizers, leaf nitrogen, protein content, potassium content
Identification of a Notched Kernel Gene Associated with Pre-Harvest Sprouting Using Oryza glumaepatula Introgression Lines in Rice Sobrizal, ,; Yoshimura, Atsushi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 2 (2007): 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 (130.737 KB) | DOI: 10.24831/jai.v35i2.1312

Abstract

Pre-harvest sprouting in rice is related to the lack of a normal dormancy level during seed development and maturation. The prominent effects of pre-harvest sprouting are lower yield due to harvest losses and end-product quality reduction. A single novel gene (nk2) for notched kernel was identified at backcross segregating population (BC4F2) of Oryza glumaepatula to Oryza sativa cv. Taichung 65 as recurrent parent. The nk2 gene was closely associated to pre-harvest sprouting character, and mapped on the long arm of chromosome 5 with 3.5 cM and 3.6 cM distance to G1103 and R521 RFLP markers, respectively.   Key words :  Notched kernel, pre-harvest sprouting, genetic map, rice
Regenerasi Tanaman pada Kultur Antera Padi: Pengaruh Persilangan dan Aplikasi Putresin Dewi, Iswari S.; Purwoko, Bambang S.; Aswidinnoor, Hajrial; Somantri, Ida H.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 2 (2007): 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 (67.406 KB) | DOI: 10.24831/jai.v35i2.1313

Abstract

The efficient use of anther culture in crop improvement depends on the success of plant regeneration techniques and the recovery of sufficient number of either green haploid plants that may be artificially or spontaneously doubled yielding homozygous diploid pure lines in first generation.  Putrescine, one of growth regulator polyamines, was known as essential factor in embryogenesis on various plant tissues.  The objective of this research was to study the effect of crosses and putrescine application on certain stages of culture most efficient in increasing green plant regeneration.  The experiment was arranged factorially. The first factor was reciprocal crosses of Taipei 309 to Asemandi and Asemandi to Taipei 309.  The second factor was application of putrescine consisted of control (M0: N6 induction medium and MS regeneration medium); M1: N6 induction medium,  MS regeneration medium + 10-3 M putrescine;  M2: N6 induction medium + 10-3 M putrescine, MS regeneration medium;  and M3: N6 induction medium + 10-3 M putrescine, MS regeneration medium + 10-3 M putrescine.  The results indicated that the addition of 10-3 M putrescine into callus induction and plant regeneration media was the best in increasing number and percentage of responding anther, callus formation, responding calli, green plants and number of total plants.  Rice anther culture efficiency, which was indicated by ratio of green plant to responding calli and percentage of green plant to number of anther innoculated, was also increased by the addition of 10-3 M putrescine. At that best treatment maternal effect showed in number of calli producing green plantlets, number of green plantlets, and percentage of green plant to number of anther innoculated. F1 from Taipei309/Asemandi was better  than F1 from Asemandi/Taipei30.   Key words :  Rice, anther culture, putrescine, green plant, reciprocal crosses
Mutasi pada Beberapa Kandidat Galur Mutan Pemulih Kesuburan Tanaman Padi Sobrizal, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 35 No. 2 (2007): 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 (265.421 KB) | DOI: 10.24831/jai.v35i2.1314

Abstract

Cytoplasmic male sterility (CMS) system has largely been applied in development of rice hybrid varieties. In this system the maintainer and restorer lines are necessary to maintain the CMS and to restore the pollination abilities of hybrid plants, respectively. In this study, rice candidate of restorer mutant lines were developed through irradiation of CMS seeds by 0.2 kGy gamma rays. Some mutations indicated by polymorphism between mutants and original plants were observed through simple sequence repeat (SSR) marker genome survey in six mutant lines. Frequencies of polymorphism varied depend on the lines, range from 8.5 to 18.3%. No common marker showed polymorphism between six mutant lines and original plants indicating that the mutant lines do not carry the same restoring genes. Nevertheless, allelic tests or linkage studies using segregating populations are needed for confirmation. This result should be useful as initial information on genetic studies of restoring genes induced by gamma ray irradiation as well as for application of these genes in hybrid rice breeding program.   Key words :  Mutation, restorer mutant lines, hybrid rice

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