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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
Uji Beberapa Konsentrasi Bakteri Bacillus sp. Endofit untuk Meningkatkan Pertumbuhan Bibit Kakao (Theobroma cacao L.) Puspita, Fifi; Saputra, Sukemi Indra; Merini, dan Jenny
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 (314.099 KB) | DOI: 10.24831/jai.v46i3.16342

Abstract

Development of cocoa (Theobroma cacao L.) requires high-quality seeds. Adding growth substance from Bacillus sp. endophytes is expected to increase the growth of cocoa seedlings. The purpose of this research was to evaluate the ability of Bacillus sp. endophytes to produce Indole Acetic Acid (IAA) hormone, evaluate the effects of Bacillus sp. endophytes application on growth of cocoa seedling, and obtain the best concentration to increase growth of cocoa seedling. The experiments were conducted in the laboratory and in the field from June to October 2015. The study was conducted in two stages: in vitro and in vivo.The first experiment tested the ability of Bacillus sp. endophytes to produce IAA using tryptophan enriched picovskaya liquid medium and non-enriched tryptophan. The results from the first experiment showed that all Bacillus sp. endophytes produce IAA hormones. The second experiment tested the concentrations of Bacillus sp. endophytes to improve the growth of cocoa seedlings. The experiment was conducted using a completely randomized design consisting of 5 treatments and 4 replications, i.e., without treatment of Bacillus sp., and concentrations of 1011, 1012, 1013, and 1014 cfu/mL. The parameters observed were the number of bacterial colonies of Bacillus sp. endophytes, cocoa seed height, stem diameter, number of leaves and planting area of 4 month cocoa seedlings. The results from the second experiment showed that all concentrations of Bacillus sp. endophytes increase the growth of cocoa seedlings. The concentration of 1011 cfu/mL produced more colony in planting medium, increased height, stem diameter, leaf number and leaf area in cocoa seedlings.
Penampilan Pertumbuhan dan Hasil Beberapa Genotipe Jagung Calon Hibrida Umur Genjah di Lahan Kering ,, St. Subaedah; Numba, Sudirman; Saida, dan
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 (324.302 KB) | DOI: 10.24831/jai.v46i2.16400

Abstract

Maize is commonly developed in dry land areas with limited irrigation water in Indonesia, thereby posing a threat to its poductivity. Thus, availability of early harvest varieties able to adapt to limited water is important. The aim of this study was to analyze the performance of maize hybrid genotypes candidates in dry land. The research was conducted from April to July 2016 at Gowa, South Sulawesi. The experiment   was designed with a randomized complete block design consisting of 8 genotypes, namely GJ1, GJ2, GJ3, GJ4, GJ5, GJ6, GJ7, GJ8, and two control varieties, i.e., Bima 7 and Lamuru.  The results showed genotypes GJ1, GJ6, GJ7 and GJ8 had higher plant growth as compared to Bima 7 and Lamuru.  All genotypes were harvested less than  90 days. Genotypes GJ6, GJ7, and GJ8  yielded 6.85 tons ha-1, 6.51  tons ha-1 and 8.31 tons ha-1, respectively, which were higher 13-45% than the Lamuru control variety. Because this experiment was carried out in an optimun condition, it would be necessary to further study the three genotypes in drought stress conditions before being developed for early harvest and high yielding hybrid varieties.
Pemulsaan dan Ameliorasi Tanah Salin untuk Pertumbuhan dan Hasil Kedelai Purwaningrahayu, Runik Dyah; Taufiq, dan Abdullah
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 (387.379 KB) | DOI: 10.24831/jai.v46i2.16517

Abstract

Most salt-affected agricultural land has low productivity such that suitable management is required to improve the productivity. Negative effect of salinity stress can be reduced by growing salt-tolerant cultivars and soil amelioration. The objective of the research was to identify effective ameliorant and effect of mulching in improving soybean growth and yield on saline soil. The research was conducted on saline soil in Lamongan District that has electrical conductivity (EC) of  11.39 dS m-1 during dry season 2016. Treatments consists of two factors that were arranged in split plot design, and replicated three times. The main plot was mulching, i.e. without mulching and mulching with 3.5 ton ha-1 rice straw. The subplots were six amelioration traits, namely without amelioration (control), 120 kg ha-1 K2O, 750 kg ha-1 S, 5 ton ha-1 gypsum, 5 ton ha-1 manure and combination of 5 ton ha-1 manure+1.5 ton ha-1 gypsum. The soybean seed used was K-13, a saline tolerant genotipe. The results showed that mulching reduced soil EC, increased K and Ca absorption, leaf chlorophyll index, improved growth and yield. Soil amelioration with K2O, sulphur, gypsum, or combination of manure+gypsum decreased soil EC and soil pH.  Amelioration with gypsum increased the grain yield of 36.3%.
Evaluasi Genotipe Tomat Hasil Iradiasi Sinar Gamma di Dataran Rendah Romadhon, Muhammad Roiyan; Sutjahjo, Surjono Hadi; Marwiyah, dan Siti
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 (341.43 KB) | DOI: 10.24831/jai.v46i2.16538

Abstract

Bacterial wilt and fruit cracking are serious problems in tomatoes cultivation in the lowland area. This research aimed to evaluate the yield of M4 generation of tomatoes in the field and the incidence of bacterial wilt disease and fruit cracking in low altitude. The research was conducted at the IPB Experimental Field in Leuwikopo, Dramaga, Bogor, from December 2015 to April 2016. The experiment used a randomized complete block design with three replications. The material consisted of 15 M4 genotypes and two controls (Berlian and Kefaminano 6). The results showed that genotype of M4/495 Lombok 1-9-2 (U2) has high  productivity. Genotype M4/990 Lombok 1-5-1 (U1) has  high weight  per fruit and resistant to fruit cracking. Genotype M4/495 GL2-8-10 (U2), M4/495 Kemir 1- 4-7 (U3), M4/495 STBGL 1-2-3 (U1) M4/990 Lombok 1-5-1 (U1), and  M4/495 STBGL 1-2-9 (U1) have the lowest incidence of bacterial wilt (0.00%). Two genotypes which have high productivity and resistant to fruit cracking are M4/495 Lombok 1-9-2 (U2) and M4/990 Lombok 1-5-1 (U1), and to be evaluated in a preliminary yield trial.
Pertumbuhan Jintan Hitam (Nigella sativa L.) pada Tingkat Naungan dan Pemupukan Nitrogen yang Berbeda Setiawati, Evi; Kurniawati, Ani; Widodo, Winarso Drajad; Faridah, dan Didah Nur
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 (348.404 KB) | DOI: 10.24831/jai.v46i2.16722

Abstract

Black cumin (Nigella sativa L.) is an introduced medicinal plant therefore requires investigations to establish recommended cultivation procedure in tropical areas. Black cumin seeds contain a various bioactive compounds not only for culinary but also for medicinal purposes. This study was conducted to investigate the effect of nitrogen rates and shade levels on growth of Black cumin. The activity was carried out in Pasir Sarongge experimental station, Cianjur, West Java (1,117 masl). The research was arranged in nested design with three replications.  Nitrogen rates was nested within shading levels. The shading levels consist of 0%, 25%, 50%, and 75% which resulted in light intensity of 27,800, 17,400, 11,900, and 1,600 lux respectively. The Nitrogen rates consisted 0, 60, 120, and 180 kg ha-1. The results showed that shading up to 50% did not affect plant growth and did not reduce seed production. However, shading up to 75% prolong the vegetative period, decreased leaf thickness and plant dry weight. The higher the shading level up to 50%, the higher the plant height, leaf area, number of leaves and number of flower, but not number of branche. Nitrogen fertilizer 60 kg ha-1 increased number of blooming flower and number of capsule set.
Pertumbuhan dan Produksi Jintan Hitam pada Beberapa Komposisi Media Tanam dan Interval Penyiraman Mardisiwi, Ririh Sekar; Kurniawati, Ani; Sulistyono, Eko; Fardidah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 1 (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 (256.075 KB) | DOI: 10.24831/jai.v46i1.16723

Abstract

Black cumin plant ‘Habatussaudah’ (Nigella sativa L.) is a new introduced plant in Indonesia, therefore it is necessary to study cultivation method in order to produce high yield of good quality. This study was aimed to evaluate the growth of black cumin on different composition of media and watering intervals. The experiment was conducted at Sarongge Experimental Station, Cipanas, West Java (1,117 m asl) from June to October 2016. The experiment used a randomized block design with three replications. The treatment consisted of two factors, namely the composition of the planting media and the watering interval. The composition of planting medium consisted of  soil only (M0), soil: manure (1:1, v/v) (M1), soil: manure: rice-hull charcoal (1: 1: 1) (M2), soil: manure: rice-hull charcoal (2: 1: 1) (M3). The watering interval consisted of 4 levels, i.e., watering every 4, 7, 10 and 13 days. The results showed that soil with manure and or rice-hull charcoal increased the growth of vegetative, generative and production of black cumin 1.5 g per plant. Watering at intervals of 4 and 7 days produced better plant growth than those of  watering with longer intervals. Keywords: Habbatusauda, high altitude, introduced plant, medicinal plant, tropical area
Pertumbuhan, Produktivitas dan Hasil Hablur Klon Tebu Masak Awal-Tengah di Tanah Inceptisol ,, supriyadi; Khuluq, Ahmad Dhiaul; Djumali, dan
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 (279.145 KB) | DOI: 10.24831/jai.v46i2.17088

Abstract

Sugar cane is a strategic commodity for the Indonesian government as raw material for the national sugar industry. Cultivation of sugar cane has been shifted to dry areas dominated by Inceptisol, Vertisol, and Ultisol soil. These conditions require certain clones to obtain high sugar yield. New improved varieties have been developed and 8 early-mid maturiting clones have been obtained. The study was aimed to evaluate and obtain earty-mid maturing clones with higher sugar yield than the existing varieties in dry land of Inceptisol soil. The study was conducted at the Karangploso Experimental Station, Malang from July 2015 to September 2016. The study was arranged in a randomized block design with three replications. The treatment consistsed of eight clones of early to mid maturing sugarcane clones and one control variety (Kenthung). The eight clones were (1) PS 04 117, (2) PS 04 259, (3) PS 04 129, (4) PS 05 258, (5) PS 06 391, (6) PS 06 370, (7) PS 06 188, and (8) JR 01. The results showed that three clones (PS 06 188, PS 05 258 and JR 01) produced higher sugar yield (10.45-11.88 ton ha-1), and the other clones showewd lower sugar yield (6.55-9.37 ton ha-1) than that of Kenthung variety (9.16 ton ha-1).PS 06 188 and PS 05 258 clones obtained the highest sugar yield of 11.88 and 11.49 ton ha-1, respectively.
Perubahan Komposisi Gulma pada Sistem Tumpangsari Padi Gogo dengan Kedelai di Lahan Pasir Pantai Putra, Fajrin Pramana; Yudono, Prapto; Waluyo, dan Sriyanto
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 1 (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 (402.549 KB) | DOI: 10.24831/jai.v46i1.17093

Abstract

Weeds can reduce upland rice yields in coastal sandy area. Density and growth of weeds can be controlled and reduced by an intercropping system between upland rice with soybeans. The study aimed to determine the weeds composition change and weeds biomass in various crop proportions of upland rice and soybean under intercropping. The research was conducted from December 2016 until March 2017, at coastal sandy soil of Samas, Bantul, Yogyakarta (8°00’03.5”S and 110°15’20.1”E). This study used a complete randomized block design (RCBD) with one factor and three replications. The treatments were crop proportions of upland rice and soybean under intercropping with 6 levels, such as 100:0 (upland rice monoculture), 80:20, 60:40, 40:60, 20:80, and 0: 100 (soybean monoculture). The results showed that there was weeds composition changes due to setting crop proportions of upland rice and soybean under intercropping at coastal sandy soil. Weed of sedges, grass, and broadleaf were found throughout the experimental plots, but varied in number and type of weeds among experimental plots. Weeds condition differed among the soybean proportion treatments < 40% and  ≥ 40%. The average community coefficient value was <75% which was dominated by Digitaria nuda and Eragrostis tenella under soybean proportion treatments < 40%, and Ludwigia parviflora and Amaranthus lividus under soybean proportion treatments ≥ 40%. The linear model was established between the increase of soybean proportion to a decrease in dry weight of weeds as Y = -0.6624X + 67.699; R2 = 0.7224).Keywords: crops proportion, intercropping, weeds community
Analisis Genetik Arsitektur Malai Padi Menggunakan Dua Populasi F2 Ramadhan, Fitrah; Bayuardi Suwarno, Willy; Nindita, Anggi; Aswidinnoor, dan Hajrial
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 1 (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 (727.129 KB) | DOI: 10.24831/jai.v46i1.17265

Abstract

Improvement of rice panicle architecture is one important objective in the development of improved new-plant-type rice varieties. Panicle architecture is directly related to yield components in rice. The aims of this study were to obtain information on inheritance pattern of panicle architecture on F2 generation and to obtain the best selected individuals. The experiment was conducted at Sawah Baru Experimental Farm Bogor, from May to October 2016. Two F2 populations derived from crosses of IPB 3S/IPB160-F-36, IPB160-F-36/IPB 5R and three genotypes of parents were used as experimental materials. A total of 208 and 204 plant samples were taken representing each of the two F2 populations and 20 plants representing the parents. Three panicles were taken randomly from each individual as observed samples. The results showed that additive gene action influenced number of primary branches in population of IPB 3S/IPB160-F-36, whereas in the population of IPB160-F-36/IPB 5R, most of the panicle architecture traits were controlled by additive gene action except for the length of primary branches. All of panicle architecture traits were controlled by relatively many genes except length of primary branches and number of grains on primary branches in the IPB 3S/IPB160-F-36 population. The panicle architecture of the two observed population was genetically varies. The heritability estimates were moderate to high. Selection could increase the mean of panicle architecture traits using either single or multiple traits simultaneously.Keywords: gene action, heritability, genetic variability, panicle traits
Pemupukan N, P, K, Dolomit, dan Pupuk Kandang pada Budidaya Kedelai di Lahan Kering Masam Hasibuan, Halimatus Syahdia; Sopandie, Didy; ,, Trikoesoemaningtyas; Wirnas, dan Desta
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 (262.645 KB) | DOI: 10.24831/jai.v46i2.17268

Abstract

The imbalanced supply-demand of soybean is the main reason of soybean import in Indonesia. One of the efforts to increase of soybean production was expanding the planting area to acid soil with a low pH, high content of Aluminum, and low nutrient availability, through giving ameliorant, such as liming organic materials, and mineral fertilization.This study was aimed to obtain the best combination of fertilizer and amelioran for soybean production in acid soil. The study was conducted in experimental station of Tenjo, Bogor from November 2015 to March 2016. The experiment used a randomized complete block design with two factors. The first factor was combinations of fertilizer and amelioran, i.e., P0 (without fertilization); P1 {25 kg urea + 75 kg SP-36 + 50 kg KCl + dolomite ¼ x Aldd (805 kg) ha-1}; P2 {25 kg urea + 75 kg SP-36 + 50 kg KCl + dolomite ¼ x Aldd (805 kg) + 1,250 kg of manure ha-1}; P3 {50 kg urea + 75 kg SP-36 + 50 kg KCl + dolomite ¼ x Aldd (805 kg) + 2,500 kg of manure ha-1}; P4 {75 kg urea + 150 kg SP-36 + 100 kg KCl + dolomite ¼ x Aldd (805 kg) + 2,500 kg of manure ha-1}; P5 {75 kg urea + 150 kg SP-36 + 100 kg KCl + dolomite ½ x Aldd (1,610 kg) ha-1}; P6 {75 kg urea + 150 kg SP-36 + 100 kg KCl + dolomites 1 x Aldd (3,220 kg) ha-1}. The second factor was soybean varieties of Tanggamus and Anjasmoro. The results showed that application of 75 kg urea + 150 kg SP-36 + 100 kg KCl + dolomite ½ x Aldd (1,610 kg) produced the highest productivity (2.91 ton ha-1), but it was not different from reducing the dose of dolomite into ¼ x Aldd (805 kg) with the addition of 2,500  kg of manure.

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