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Contact Name
Fatardho Zudri
Contact Email
fatardho@gmail.com
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jurnal.agronomi@yahoo.com
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Jl. Meranti, Kampus IPB Dramaga, Bogor 16680
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Kota bogor,
Jawa barat
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
Perbanyakan Pepaya (Carica papaya L.) ‘Sukma’ In Vitro dari Eksplan Tunas Pucuk sebagai Respon terhadap BA dan NAA Wardani, Fitri Fatma; Efendi, Darda; Dinarti, Diny; Witono, dan Joko Ridho
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 (528.306 KB) | DOI: 10.24831/jai.v47i2.25115

Abstract

Papaya is one of tropical fruits native to Southern Mexico and which have been cultivated in Indonesia for a longtime. Papaya is usually propagated by seeds. Therefore, the offsprings are not true-to-type. This study was conducted todevelop a protocol of in vitro propagation of papaya ‘Sukma’ from shoot tips of in vitro germinated seeds as explants. Seedswere extracted from fruit that physiologically ripe and it germinated on MS basal medium. The experiment was set up in arandomized block design with culturing day as blocks (four blocks) and various concentrations of BA (0.0, 0.5, 1.0, 1.5, and2.0 mg L-1) in MS medium enriched with NAA 0.5 mg L-1 as treatment. Shoot tips in the MS medium without plant growthregulator as control so there was six treatments and 24 observation units. Each observation units contained five culturevessels and each culture vessels contained four explants. The results showed that the highest number of shoots, number ofleaves, number of nodes, and percentage of explant forming callus were obtained by BA 1.0-1.5, 1.0-2.0, 0.5-2.0, and 1.0-1.5 mg L-1, respectively. The highest percentage of explant forming roots were obtained in medium without BA. Analysis ofregression showed that the optimum concentration to get the highest number of shoots and leaves were BA 1.31 and 1.35 mgL-1, while explants will be rooted in medium without BA. Thus, in vitro propagation for papaya ‘Sukma’ should be conductedin two steps, i.e. for shooting and rooting growth.
Karakter Percabangan Malai Genotipe Padi Sawah pada Berbagai Level Dosis Fosfor Hastini, Tri; Suwarno, Willy Bayuardi; Ghulamahdi, Munif; Hajrial, dan Aswidinnoor
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 (592.034 KB) | DOI: 10.24831/jai.v47i2.25243

Abstract

Yield grain of rice was determined by genetical and environmental factors, one of them was genetic response on levelof phosphorus. Rice panicle branching was one of the key factors on supporting rice yield. The study aimed to find out ricepanicle branching responses to phosphorus. Controlled experiment was conducted on September 2017 - February 2018, usingtwo genotypes planted on poor soil media and six levels of phosphorus as treatments, arranged in completely randomizeddesign. Panicle branching characters were observed on the experiment. The experiment showed the genotype’s effects atall panicle branching except number of tertiary branches and number of grains on tertiary branches. Phosphorus affectedpanicle branching except panicle length, primary branch length, and number of grain on tertiary branches. Genotype andphosphorus interaction appeared at all panicle branching except number of primary branch, number of tertiary branches,number of grains on tertiary branches, and the percentage of grains number on tertiary branches. The panicle of genotypeIPB180-12 was likely more stabil to the various levels of phosphorus, meanwhile the panicle of genotype IPB158-5 moresensitive. According to the polynomial regression evaluation, the optimum level of P2O5 for the sensitive genotype was 421.92kg ha-1, and for the tolerant genotype was 108 kg ha-1 in poor soil.
Mekanisme Adaptasi Jagung terhadap Cekaman NaCl: Pola Serapan Anion dan Kation Utama, Muhammad Zulman Harja; Haryoko, Widodo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (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 (437.417 KB) | DOI: 10.24831/jai.v47i3.25439

Abstract

Salt solubility is the abiotic pressure which has the most effect on the loss of plant quantity and quality. Salinity not only makes plants stressful but also presents severe constraints on crop production so an attempt to understand plant adaptation mechanisms is important for expanding agricultural production on saline soils. This study aimed to obtain a mechanism for the adaptation of hybrid and composites maize to NaCl stress through anion and cation absorption patterns. The experiments were carried out at the LLDikti Region X Laboratory from May to August 2016. The experiments were arranged in a factorial complete randomized design with three replications. The first factor was corn varieties, namely: hybrid corn (Pioneer 22 and Bisi 12), and composite corn (Bisma and Sukmaraga). The second factor was level of NaCl, namely: 0.0 mg kg-1 NaCl pH 5.0, and 4,000 mg kg-1 NaCl pH 5.0. Measurement of anions and cations using Spectroquant Thermoreator TR Nova 420. The adaptability of hybrid maize and composites to NaCl stress occurred through the mechanism of anion absorption and cation metabolism. The difference in the percentage of NO3-, NO2-, PO4-, NH4+, and K+ levels between hybrid maize varieties and composites showed a difference in the adaptation ability of maize varieties to salinity stress. Keywords: abiotic, mechanism, salinity, varieties
Ketahanan Genotipe Kedelai Terhadap Hama Pengisap Polong, Riptortus linearis F. (Hemiptera: Coreidae) Krisnawati, Ayda; Bayu, Marida Santi Yudha Ika; Adie, dan Mochammad Muchlish
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 (399.773 KB) | DOI: 10.24831/jai.v47i2.25514

Abstract

The brown stink bug, Riptortus linearis, is the most dominant of soybean pod sucking pest in Indonesia. The objectivesof the study were to identify the resistance of soybean genotypes against brown stink bug and to determine the relationship ofagronomic characters with the intensity of pod and seed damages. Research was conducted at Balitkabi (Malang, Indonesia)from April to August 2018. Thirteen genotypes were assessed for their resistance to brown stink bug under choice and nochoicetests. A randomized block design was carry out with three replicates. The number of punctures on seed, seed and poddamages intensity on no-choice test was higher than those under choice test. Under choice test, the pod damage ranged from19.40-41.68% (average of 29.51%), and the seed damage ranged from 19.31-39.90% (average of 26.80%). Under no-choicetest, the pod damage ranged from 25.77-43.58% (average of 37.41%), and the seed damage ranged from 21.30-58.29%(average of 34.27%). The 11AB and 19BE showed consistently resistant based on pod and seed damage under the choicetest. Under no-choice-test, 19BE showed consistently resistant. The path analysis showed that an increase in the number ofseeds will possibility increase the number of punctures on the seed and then contribute to the increase of yield losses. The19BE which showed consistently resistant to brown stink bug was recommended to be further tested in the adaptation trialand released as superior variety.
Keragaman Kualitas Buah pada Dua Varietas Okra (Abelmoschus esculentus L. Moench) dari Umur Panen Berbeda Aplugi, Dewie Maria Agustien; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
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 (371.947 KB) | DOI: 10.24831/jai.v47i2.25653

Abstract

Okra (Abelmoschus esculentus L. Moench) is a functional vegetables that has high economic value and it is usedas health purposes due to high bioactive compounds and dietary fiber contents. Okra pod is gradually harvested followsflowering time. The purpose of this study was to evaluate the effect of harvest age on Nitrogen (N), Phosphorus (P), Potassium(K), pigment and phenolic contents of two okra varities. The experiment was conducted from October 2017 to February 2018at IPB experimental station in Leuwikopo, Dramaga, Bogor. The experimental field is located at ± 185 m asl with 6033’49.3”S and 106043’30.7” E. The experiment used single factor, namely harvest time, in randomized complete block nested in factorof okra variety with 4 replicates. The varieties of okra were Zahira (red okra) and Naila (green okra), while harvest agesconsisted of 5, 7, 9, and 11 days after the anthesis (DAA). The results of the study showed significant effect of harvest age onN, P, anthocyanin and phenolic contents. Okra pod harvested at 5 DAA, had the highest N, P and anthocyanin levels; whilethe highest phenolic level was obtained from okra pod harvested at 7 DAA. There were interactions effect between harvesttime and okra varieties on chlorophyll and carotenoid contents. The red okra harvested at 5 DAA had the highest content oftotal chlorophyll (536.83 μg g-1) and carotenoid (147.79 μg g-1).
Pengaruh Pemberian Kompos dan Pupuk NPK terhadap Produktivitas Kedelai (Glycine max (L.) Merril) ,, Hapsoh; ,, Wardati; Hairunisa, dan
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 (259.376 KB) | DOI: 10.24831/jai.v47i2.25794

Abstract

The productivity of soybeans (Glycine max (L.) Merril) in Indonesia is still low, and therefore it is necessary to increase productivity through management of soil fertility such as fertilizer application. This study aimed to determine the effect of single compost, NPK, and their interactions on soybean productivity. The study was conducted in the experimental station of the Faculty of Agriculture, Universitas Riau from May to September 2017. The experiment used a factorial design arranged in a randomized block design. The first factor consisted of: without compost, oil palm empty fruit bunch compost (TKKS) and rice straw compost. The second factor consisted of: without NPK fertilizer, NPK dose 125 kg ha-1 and NPK dose 250 kg ha-1. Data analyzed statistically and further evaluation using Duncan’s multiple range test. The single treatment of compost increased the nutrient content of leaf N 3.1%, leaf K 24%, percentage of filled pods 3.45%, number of seeds each plant 14%, seed weight each plant 15% and weight of 100 seeds 3.20%. The single treatment of NPK fertilizer also increased leaf N by 4.67%, leaf P by 9% and leaf K by 4%, number of filled pods as 27%, percentage of filed pods with 5%, number of seeds each plant 29%, seed weight each plant 27%, production each m2 by 26% and weight 100 seeds by 7%. Interactions between treatments increased the levels of N, P, and K and percentage of filled pods. This research provides information for farmers to utilize compost in order to reduce the use of inorganic fertilizers.
Keragaman Morfologi dan Komponen Hasil Kubis Bunga (Brassica oleracea var. botrytis L.) di Dataran Tinggi dan Dataran Rendah Haryanti, Dyra; Efendi, Darda; Sobir
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (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 (327.718 KB) | DOI: 10.24831/jai.v47i3.25902

Abstract

Increasingly limited land in the high elevation and increasing of global temperature needed breeding of cauliflower plants originating from temperate regions to be adaptively planted in low elevation. This study aimed to identify the morphological variability and yield component of cauliflower planted in the high elevation and low elevation. The experiment was conducted in Pasir Sarongge (1,117 m asl) and Tajur II (340 m asl) from June to December 2016. This experiment was conducted with a randomized complete block design single-factor (12 genotypes of cauliflower) with three replications. The results showed that BOB 021 genotype was not flowering in Tajur. Qualitative characteristics that are stable in two locations include leaf attitude, leaf color, curd color, leaf lobing, and curd covering by inner leaves. Vegetative characters and yields in low elevation were higher than high elevation, time of flowering and harvesting in high elevation was earlier than in low elevation. Based on the correlation analysis, an increase in the yield characters can be seen from the increase in vegetative character and increase in longevity time of flowering and harvesting. Keywords: correlation, flowering, qualitative, quantitative
Respon Pertumbuhan Tanaman Cengkeh (Syzygium aromaticum (L.) Merr. Perr.) dengan Aplikasi Pupuk Organik-Anorganik dan Triakontanol Launuru, Syahdin; Wachjar, Ade; Kurniawati, Ani
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (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 (514.365 KB) | DOI: 10.24831/jai.v47i3.26017

Abstract

Application of right dosage of fertilizer and concentration of plant growth regulator are supporting factor of clove growth. This study was aimed to obtain the best combination of organic-inorganic fertilizer, the best triacontanol concentration and both interactions for increasing clove growth. This study used a Randomized Complete Block Design (RCBD) with two factors. The first factor was the organic-inorganic fertilizer dosage package that consisted of 6 levels, i.e no fertilizer, 100% recommended dosage of inorganic fertilizer (r.d.i.f), 25% recommended dosage of organic fertilizer (r.d.o.f) + 75% r.d.i.f, 50% r.d.o.f + 50% r.d.i.f, 75% r.d.o.f + 25% r.d.i.f, 100% r.d.o.f. The second factor was the concentration of triacontanol that consisted of 3 levels, i.e no triacontanol, 2 mg L-1 and 4 mg L-1. The results showed that the application of 25% r.d.o.f + 75% r.d.i.f produced the best clove growth, but it was not significantly different from the combination treatment of the two other types of fertilizer as indicated by the greatest improvement on stem diameter, branches number, leaf area, chlorophyll a, chlorophyll b, total chlorophyll and carotenoids. Clove plants did not respond to the application of triacontanol at a concentration of 2 mg L-1, but gave a negative response to the application of triacontanol 4 mg L-1 on the plant height and leaf area variables. The interaction of the two factors did not have significant effects on all variables. Keywords: chlorophyll, morphology, nutrient dynamics, physiology, vegetative growth
Keragaman Fenotipik dan Kekerabatan Plasma Nutfah Talas (Colocasia esculenta) Pulau Bangka berdasarkan Karakter Morfologi Kusumawati, Yani; Mustikarini, Eries Dyah; Prayoga, Gigih Ibnu Prayoga
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (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 (548.108 KB) | DOI: 10.24831/jai.v47i3.26029

Abstract

Germplasm diversity of local taro in Bangka as genetic resources for plant breeding purposes is still unknown. This research aimed to provide information on Bangka Taro’s variability and relationship for plant breeding programs. This research was conducted in December 2017 until February 2018. Characterization of the germplasm was performed on qualitative and quantitative parameters. Analysis of morphological relationships used the UPGMA method. Exploration obtained 27 germplasm of Bangka local taro. The results of the morphological relationship analysis showed nine clusters at a 0.57 coefficient (57%). Cluster one consisted of Tungkuk, Sayur, Hitam/Nyatoh, Rakit Hijau, Lilin, and Cantik Manis accessions. Cluster two consisted of Rakit Hitam accession. Cluster three consisted of Ganjung, Trans 2, Sungai Tebuk and Trans 1 accessions. Cluster four consisted of Sayang Anak, Pak Ugo and Trans 3 accessions. Cluster five consisted of Angit and Kelat Mentak Kelapa accessions. Cluster six consisted of Pelawan Toboali, Wangi/Colet and Simbang accessions. Cluster seven consisted of Alar accession. Cluster eight consisted of Pelawan Rukem, Kelat Mentak Rukem, Selaseh, Pinangbo and Telok Simbang accessions.Cluster nine consisted of Butir/Pikul and Butir Mentaram accessions. Bangka local taro had wide phenotypic variability in the observed morphological characters. Keywords: accesion, fenotipic, cluster, relationship, variability
Identifikasi dan Potensi Cendawan Indigenous untuk Pelapukan Batang Kelapa Sawit di Bogor, Indonesia Nofrifaldi; Hariyadi; Widyastuti, Rahayu
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 3 (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 (452.215 KB) | DOI: 10.24831/jai.v47i3.26040

Abstract

Indigenous microorganisms effectively accelerate the decomposition of agricultural waste and agricultural waste that has been decomposed properly can be an organic fertilizer containing macro and microelements. The aim of the study was to determine the potential of indigenous cellulolytic fungi in the palm oil stems after replanting. The research was conducted at the Cikabayan Experimental Field Bogor Agricultural University, Dramaga, West Java. The experiment was conducted in October 2018 until January 2019, using a randomized complete block design consisting of four decomposition methods treatment: control, added with decomposer, chopping, and chopping+decomposer. The results showed that four isolates and isolate A were chosen to calculate the number of fungi at a dilution rate of 10-6 because they had the largest diameter. The identification results of isolate A were Trichoderma harzianum fungi and it was concluded that Trichoderma sp. in the palm oil stem after replanting, it has the potential as an indigenous cellulolytic fungus of oil palm trunks. The chopping+decomposer treatment can accelerate the weathering of the oil palm stem with a significant influence between the treatments that have met the requirements of compost maturity as specified in SNI 19-7030-2004 with ratio C/N 16.11 at 3 months after treatment. Keywords: decomposer, Elaeis guineensis Jacq., isolate, Trichoderma sp.

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