Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)
ISSN : 20852916     EISSN : 23373652
urnal Agronomi Indonesia, sebelumnya bernama Buletin Agronomi, terbit sejak 1962, diterbitkan oleh Departemen Agronomi dan Hortikultura Fakultas Pertanian, Institut Pertanian Bogor dan Perhimpunan Agronomi Indonesia (PERAGI). Jurnal Agronomi Indonesia merupakan media untuk publikasi tulisan asli yang berkaitan dengan budidaya tanaman secara luas, dalam Bahasa Indonesia maupun Bahasa Inggris. Naskah dapat berupa: hasil-hasil penelitian mutakhir (paling lama 5 tahun yang lalu), ulasan (review)singkat, analisis kebijakan atau catatan penelitian (research note) singkat mengenai teknik percobaan, alat, pengamatan, hasil awal percobaan (preliminary result).
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Search results for , issue " Vol 39, No 3 (2011): Jurnal Agronomi Indonesia" : 23 Documents clear
Pertumbuhan, Produksi dan Efi siensi Pemanfaatan Lahan dalam Sistem Tu mpangsari Jagung dan Kacang Hijau dengan Interval Penyiraman Berbeda Sabaruddin, Laode; Hasyid, Rachmawati; Muhidin, ,; Anas, Arsy Aysyah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

 Water availability is a limiting factor to develop farming systems in the arid region, therefore more attention is given in the effort to increase water use true intercropping system. The research aim was to increase the productivity and land use efficiency. Research was conducted at field station of Agriculture Faculty, Haluoleo University. The experimental was arranged in completely randomized block design with two factors and three replications. The first factor was watering interval, i.e. once every 2, 4 and 6 days. Second factor is planting time of mungbean, i.e. 0, 7, 14, 21 and 28 days after planting (DAP) maize. The result showed that total yield of maize is 5.67 ton ha-1 in intercropping system occurred at delayed planting of mungbean, i.e. at 14 DAP maize, and watering interval every 4 days. Our result showed that intercropping system could improve yield up to 39.68% compared to monoculture planting system of maize and mungbean. Leaf area index, long ear and number of grain per ear of maize have correlation  with yield. Number of pod per hill of mungbean has correlation to weight of 1,000 grain and dry pod yield. Percentage of pod emptiness has negative correlation to  weight of 1,000 grain and dry pods yield.    Keywords: intercropping, LER,  maize, mungbean,  water availability
Leaf, Anthocyanin, and Protein Production of Ta linum triangulare Jacq. Willd with Various Rates of P Fertilizer Mualim, Leo; Aziz, Arifin
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The effect of P fertilizer rates on growth and production parameters of waterleaf [Talinum triangulare (Jacq.) Willd] were studied over two months (February-April 2010) in Bogor. Treatments of five P-rates (0, 200, 400, 600, and 800 kg SP-18 ha-1) were laid out in a randomized complete block design with three replications. Generally, the effect of P fertilization in waterleaf was mostly prominent at 8th week after planting (WAP). The increase of  P rates increased leaf area, leaf fresh weight, edible part (shoot weight), and protein production; but decreased anthocyanin production. These results suggested that to produce high protein and anthocyanin, waterleaf must be fertilized with 400 kg SP-18 ha-1; and P fertilizer must be applied at least two weeks before planting.   Keywords: inorganic fertilizer, phosphorus, portulacaceae, secondary metabolite  
Pengurangan Pemakaian Pupuk Anorganik dengan Penambahan Bokashi Serasah Tanaman pada Budidaya Ta naman Tomat Pangaribuan, Darwin Habinsaran; Pratiwi, Octa Liestia; Lismawanti, ,
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The aim of the research was to investigate the application of plant compost on the growth and yield of tomatoes. The experiment was conducted in Bandar Lampung from October 2009 until February 2010. The experimental design was completely  randomized block design with 3 replications. The treatments were: control; recommended inorganic fertilizers 135 kg N ha-1, 75 kg P2O5  ha-1, and 110 kg K2O  ha-1; white leadtree (Leucaena glauca) compost + recommended inorganic fertilizer; legume compost + 50% recommended inorganic fertilizer; teak (Tectona grandis) compost + recommended inorganic fertilizer; teak compost + 50% recommended inorganic fertilizer; paddy straw (Oryza sativa) compost + recommended inorganic fertilizer; paddy straw compost + 50% recommended inorganic fertilizer; rattlepod (Crotalaria anagyroides) compost + recommended inorganic fertilizer; rattlepod compost + 50% recommended inorganic fertilizer. Our results showed that rattlepod and paddy straw composts gave similar results in tomato growth and yield, and they were better than other plant composts tested. The application of 50% inorganic fertilizers combined with plant compost had the higher yield as compared to recommended inorganic fertilizer treatment. This implied that the use of plant compost could reduce the use of inorganic fertilizers while maintaining higher yield than using inorganic fertilizers only. The soil chemical properties was improved after application of plant compost.     Keywords: inorganic fertilizer, plant compost, tomatoes  
Pengaruh Pemangkasan Batang dan Cabang Primer terhadap Laju Fotosintesis dan Produksi Jarak Pagar (Jatropha curcas L.) Hariyadi, ,; Purwoko, Bambang Sapta; Raden, Ince
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This research was aimed to study the effect of stem and primary branch prunning on photosynthetic rate and production of physic nut. The experiment was conducted in IPB experimental station in Cikabayan, Darmaga, Bogor, from February 2007 until May 2008. A randomized block design with one factor was used in the experiment.  The treatments were combination between stem pruning with various height from the soil surface and pruning of primary branches with various number of branch remained. Stem pruning on 40 cm above the soil surface with no branch pruning resulted in the highest photosynthetic rate (8.10 µmol CO2 m-2 s-1), while stem pruning on 20 cm above the soil surface with 2 primary branches remained resulted in the lowest photosynthetic rate (4.71 µmol CO2 m-2 s-1).  Stem pruning on 40 cm above the soil surface without branch pruning produced the highest yield components, i.e., capsul number (207.3 capsul plant-1), seed number (506 seeds plant-1) and  seed dry weight (323.81 g plant-1).   Keywords: photosynthetic rate, production, stem prunning
Pengaruh Media Induksi terhadap Multiplikasi Tu nas dan Pertumbuhan Planlet Pisang Rajabulu (AAB) dan Pisang Ta nduk (AAB) pada Berbagai Media Multiplikasi Kasutjianingati, ,; Poerwanto, Roedhy; Widodo, ,; Khumaida, Nurul; Efendi, Darda
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

 The aim of this research was to study the effects of explant from various induction media on multiplication and growth of cv Rajabulu  (AAB) and Tanduk (AAB) plantain.  This research was arranged in factorial complete randomized design with two factors. The first factor was two kinds of explant which came from induction media I1 (MS + BA 2 mg L-1 + IAA 3 mg L-1), and from induction media I2 (MS + BA 2 mg L-1 + IAA 3 mg L-1 + TDZ 0.09 mg L-1); the second factor was 4 kinds of multiplication media, i.e. MS0 (control/without PGR), MS + BA 0.20 mg L-1 + IAA 0.01 mg L-1 (M1), MS + BA 1 mg L-1 + IAA 0.25 mg L-1 (M2), MS + BA 2 mg L-1 + IAA 0.5 mg L-1 (M3).  The experiment results were the use of TDZ in the induction medium reduced the use of high cytokinin in the multiplication level. The use of Rajabulu explant that came from media I2 produced more shoots (4.3 shoots per explan) compared to explant from media I1 (3.2 shoots per explan). The use of multiplication media M3 and M2 produced the highest shoot number. The best shoot morphogenesis produced when the shoots after subculture in media with PGR (M3 or M2) to media MS0 (big shoot 3.1 and medium shoot 3.5). Tanduk plantain’s shoot was  responsive to cytokinin. The best treatment is I1-M3 with the highest number of shoots and the highest percentage of big and medium shoot is (33%) compared  to  other  treatments  (
Pengaruh Aplikasi Limbah Cair Pabrik Kelapa Sawit terhadap Hasil Kedelai dan Perubahan Sifat Kimia Ta nah Ultisol Ermadani, ,; Muzar, Ali
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

 The aim of this research was to evaluate the effect of palm oil mill effluent (POME) and its residue on yield of soybean (Glycine max L.) and soil chemical properties.  Field experiment was done on Ultisol soil in Brasau Village, Tungkal Ulu, Tanjung Jabung Barat District from March to November 2009. In the experiment, soybean was planted twice. At first planting, the treatments were without POME as control with application of  50 kg urea ha-1, 150 kg SP-36 ha-1, 100 kg KCl ha-1, 5 ton  manure ha-1 and 2 ton dolomite ha-1, and POME application consisting of 50,000 L ha-1, 100,000 L ha-1, 150,000 L ha-1,  50,000  L  ha-1 + 150  kg SP-36 ha-1, 100,000 L ha-1 + 150 kg SP-36 ha-1, 150,000 L ha-1 + 150 kg SP-36 ha-1. Treatments were replicated four times and arranged in a randomized block design.  At second planting, plots were treated with half of first planting doses of POME. The results showed that the content of N, P, and K of plant tissue and dry weight of soybean seed were increased with increasing dose of POME. The highest yield of soybean at first planting was 2.15 ton ha-1, and achieved with the application of 150,000 L POME ha-1 + 150 kg SP-36 ha-1 , while at second planting the highest dry weight of soybean seed was 2.01 ton ha-1 by residue of 150,000 L POME ha-1 and 150 kg SP-36 ha-1+ application of 75,000 L POME ha-1. Moreover, improvement of soil chemical properties were showed by increasing organic C, cation exchange capacity,  total N, total P, available P, and exchangeable K and decreasing exchangeable Al.   Keywords: POME, residue, Ultisol, Glycine max (L)
Character, Xanthone Content and Antioxidant Properties of Mangosteen Fruit’s Hull (Garcinia mangostana L.) at Several Fruit Growth Stadia Kurniawati, Ani; Poerwanto, Roedhy; Sobir, ,; Effendi, Darda; Cahyana, Herry
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this study was to evaluate the characteristics of mangosteen fruit’s hull, xanthone content, and antioxidant potential on various stadia of mangosteen fruit development. The experiment  was conducted in September 2006 until July  2008 using randomized complete block design, with three replications at maturation stage i.e. 1, 2, 3, and 4 months after anthesis. The parameters being observed were fruit’s hull characters, xanthone content, and antioxidant capacity.  The results of this study showed that fruit diameter and fruit weight increased until three months after anthesis and then did not change significantly once they entered the process of maturity. Thickness of fruit’s hull differed significantly among maturation stage. The thickness of fruit hull was observed at two months and the highest weight was at three months after anthesis. Xanthone content of mangosteen fruit’s hull at a month up to four months after anthesis did not differ significantly however capacity of antioxidant differed significantly among fruit ages, the IC50 values increased with the increase of fruit maturation.   Keywords: Antioxidant, fruit growth, fruit’s hull, mangosteen, xanthone
Pembungaan Jarak Pagar (Jatropha curcas L.) beberapa Ekotipe Nusa Te nggara Barat Santoso, Bambang Budi; Susanto, Slamet; Purwoko, Bambang Sapta
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The flowering biology of physic nut (Jatropha curcas L.) has been observed in dry land (sandy entisol soil type) of Amor-Amor, North Lombok, West Nusa Tenggara. Exploration was conducted in several areas where high population of physic nut grown as fence plant was found. Quantitative, descriptive, and observation data were collected for each accession during two-year growth period. Randomized block design was used in this research with three replications from November 2006 until November 2008. Treatments consisted of five ecotypes, i.e. West Lombok, Central Lombok, East Lombok, Sumbawa, and Bima. The results showed that flowering of physic nut West Nusa Tenggara ecotypes was produced continuously during a year, while the peak number of flower was only twice e.g. at the early (November-February) and at the end (April–May) of rainy season. Duration of the flowering process took around 3 days for female flower, around 2 days for male flower, and 7-10 days for total flower per inflorescence. Higher genetic potential for female flower formation was found on West Lombok, Sumbawa, and Bima ecotype. This result should be useful information for breeding programme of physic nut. However, since physic nut is a perennial plant, further study is needed especially on the technology to control flowering.   Keywords: dry season, flowering, fruiting, rainy season,  
Diallel Analysis of Chili (Capsicum annuum L.) Resistance to Phytophthora capsici Leonian Yunianti, Rahmi; Sastrosumarjo, Sarsidi; Sujiprihat, Sriani; Surahman, Memen; Hidayat, Sri Hendrastuti
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

 To accomplish the study of genetic parameters of chili resistance to P. capsici, thirty cross combinations from six parents’ crosses were made by full diallel method.  The resistance was assessed based on the incidence of disease, following the inoculation of 28 days-old plant of chili.  Inoculation was done by dropping 5 mL of inoculum (105 zoospore mL-1) at the base part of each plant. There was non-allelic interaction and overdominance effect. Chili resistance to P. capsici controlled by   one   positive   gene.  The  parents   contained   more  dominant  gene, with dominance order were IPB-C4, IPB-C10, IPB-C15,  IPB-C9,  IPB-C8,  and  IPB-C2. The prediction of the possible limits of selection if homozygote genes assemble on one individual was 0.676-0.691. Broad-sense and narrow-sense heritability values for the traits were high.    Keywords: chili, diallel analysis, genetic parameter, Phytophthora capsici  
Peramalan Produksi Kelapa Sawit menggunakan Peubah Agroekologi di Kalimantan Selatan Santosa, Edi; Sulistyo, Hari; Dharmawan, Iwan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 39, No 3 (2011): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Estimation on oil palm production is important for company planning. However, there are only few studies have been conducted in Kalimantan. The objective of the study was to identify agronomic and agroecological factors determined production of oil palm in Kalimantan. The study was conducted at PT Ladangrumpun Suburabadi, Minamas Plantation Angsana Estate, Tanah Bumbu District, South Kalimantan, Indonesia from February 15 to June 15, 2010. Data were collected from the company, government institutions and interviews with the company staffs. Results showed that seven parameters significantly determined estimation of oil palm production. Out of 18 possible linier models, 6 models showed good fit as predictor. The best modeling as predictor was determined by current plant age (in months), fertilizer application at 18 months before harvest (MBH), relative air humidity at 6 MBH (%), light intensity at 18 MBH (%), rainfall at 6 MBH (mm), level of water deficit at 24 MBH (mm) and number rainy day at 18 MBH (days). It was expressed in equation Y = 3.15 + 0.010 age -0.016 fertilizer -0.016 light intensity -0.005 water deficit -0.015 number of rainy day. This finding implies that recording data of agronomic and ecological factors are important for production estimation. Eventhough the model is best fit to the study site, however, it needs further verification when applied in larger area of the other sites in Kalimantan.   Keywords: agronomic factors, Elaeis guineensis, linier regression, modeling, production estimation  

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