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).
Articles 9 Documents
Search results for , issue " Vol 34, No 3 (2006): Jurnal Agronomi Indonesia" : 9 Documents clear
Pemberian Mulsa Terhadap Tujuh Varietas Kacang Hijau dan Keharaan Tanah di Lahan Lebak Tengahan Raihana, Yulia; William, Eddy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objectives of this research were to obtain several mungbean varieties which suitable under fresh water swamp land conditions and to study the effect of mulch application on mungbean and soil nutrient in fresh water swamp land area.  The research was conducted on water swamp land of Tawar village, Hulu Sungai Selatan in dry season  of  2004. The results showed that the yield and the yield components of mungbean were not affected by mulch application. On the other hand, there were yield differences among mungbean varieties. Mulch application significantly decreased soil-pH, soil organic-C, total-P, available-P and K uptake but increased soil total-N  and P uptake.   Key words :  Mulch, mungbean, swamp land
Adaptasi Tanaman Kedelai Terhadap Intensitas Cahaya Rendah : Karakter Daun untuk Efisiensi Penangkapan Cahaya Muhuria, La; Tyas, Kartika Ning; Khumaida, Nurul; Trikoesoemaningtyas, ,; Sopandie, Didy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

This research was conducted to identify some leaf characters related to light capture efficiency. It used split plot design with sub plot nested at the main plot. The main plot was light intensity consisted of two levels: I100 = light intensity 100% and I50 = light intensity 50%, while the sub plot was soybean genotype consisted of G1 = Pangrango, G2 = Ceneng, G3 = Godek, and G4 = Slamet.  Leaf characters measured were : leaf total area, specific leaf area, trifoliate leaf area, leaf hairs (trichome) density, leaf thickness, length of  palisade, chlorophylls content (chlorophyll a, b, and ratio a/b), and the greenness intensity.  The result of research indicated that Ceneng has lower total leaf area, higher specific and trifoliate leaf area, less leaf hair density, thinner leaf, shorter palisade, higher greenness intensity, higher chlorophyll content (a and b), and also lower ratio chlorophyll a/b.   Key words:  Light capture efficiency, light intensity, tolerant genotype, sensitive genotype, soybean
Pengaruh Pemberian Kapur dan Kompos Sisa Tanaman terhadap Aluminium Dapat Ditukar dan Produksi Tanaman Kedelai pada Tanah Vertic Hapludult dari Gajrug, Banten Wahjudin, U. M.
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Ultisol is a soil type with the widest distribution in Indonesia. However, ultisol is characterized with acid reaction and low content of organic matter and nutrients. Ultisol contains a high concentration of Al at a level that can interfere plant growth. The objective of this study was to evaluate the effect of lime and crop residue composts application on the activities of exch-Al and the soybean yield. A greenhouse experiment using Vertic Hapludult from Gajrug, Banten was conducted in a completely randomized design. Liming treatments with 0.0 and 20.7 tons/ha (equals to 1x exch-Al) were combined with the application of different crop residue compost from upland rice, corn, soybean and peanut. The dose of the compost at 0, 1 and 2% organic-C. In this study, soybean was used as the indicator plant.  The results of this experiment indicated that the application of lime equal 1x exch-Al significantly decreased exch-Al  and resulted in good plant growth and soybean yield. Application of different types of crop residue compost decreased exch-Al. On the unlimed and limed soils the application of upland rice residue compost at dose of 2% organic-C (D2) increased soybean yield (23.21 g/pot and 25.67 g/pot), 72.53% and 1.87% respectively.   Key words :  Liming, crop residue compost, exchangeable aluminum (exch-Al), soybean
Pengaruh Beberapa Jenis Pupuk Hayati terhadap Pertumbuhan Dua Klon Tanaman Teh (Camellia sinensis (L) O. Kuntze) Belum Menghasilkan Wachjar, Ade; Supijatno, ,; Rubiana, Dina
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The experiment was carried out to study the effect of biofertilizer on the growth of  two clones of young tea. This experiment was conducted at Cikabayan Experiment Station, Faculty of Agricuture, IPB, Bogor, from July to November 2000. This experiment was arranged in Split Plot Design with three replications.  The main factor was clone types consisted of two clones i.e.: RB 3 and Gambung 5, whereas the sub factor was biofertilizer consisted of five kinds i.e. : EMAS + 50 % inorganic fertilizer recommended dosage (i.f.r.d.), EM4 + 50 % i.f.r.d., OST + 50 % i.f.r.d., Soils Plus + 50 % i.f.r.d. and 100 % i.f.r.d. The results showed that the EMAS + 50 % i.f.r.d. and EM4 + 50 % i.f.r.d. treatments significantly increased plant height, stem diameter, leaf number, and bud length.  The application of 6.25 g EMAS per plant (equivalent with 83.125 kg/ha) + 50 % i.f.r.d.  and  10 ml  EM4 (equivalent with 6.65 l/ha) + 50 %  i.f.r.d.  could reduce  application of  inorganic  fertilizer dosage until 50 % and resulted in  the growth of the plant which  was better than that of inorganic fertilizer. In  general,  growth of the RB 3 clone was better than Gambung 5 clone.   Key words :  Biofertilizer, clones, vegetative  growth, tea
Pengaruh Pemberian Bahan Amelioran terhadap Pertumbuhan dan Hasil Cabai Merah (Capsicum annum L.) di Lahan Sulfat Masam Koesrini, ,; William, Eddy
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

High soil acidity is one of the problems causing low hot pepper yield on Acid Sulphate Soils. Using tolerant variety and application of ameliorant were some efforts to increase hot pepper yield on Acid Sulphate Soils. The objective of this research was to study the effect of ameliorant application on the growth and yield of three hot pepper varieties on Acid Sulphate Soils. This research was conducted on Acid Sulphate Soil at Barambai-Barito Kuala District-South Kalimantan on the dry season of 2004. The experiment was arranged in Split-Plot Design with three replications. The main plots were ameliorant application, i.e. control, liming 2 t.ha-1, liming 2 t.ha-1 + manure 5 t.ha-1, and the sub plots were three hot pepper varieties, i.e. Hot Chili, Jatilaba and Tit Super. The result showed that the yield of hot pepper was affected by ameliorant application, varieties and interaction between ameliorant and varieties. Liming increased yield. Hot Chili tolerated high soil acidity and had the highest yield (11.489.7 kg.ha-1) on 2 t.ha-1 liming.   Key words :  Ameliorant, hot pepper, acid sulphate soil
Aplikasi Bioaktivator SuperDec dalam Pengomposan Limbah Padat Organik Tebu Goenadi, Didiek Hadjar; Santi, Laksmita Prima
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The development of a suitable technology for handling  sugar cane plantation´s solid organic waste especially bagasse, filter mud, and trash is one of the most important concerns in the management system of sugar cane plantation.  Solid organic waste of sugar cane is potentially suitable as a compost raw material processed by introducing lingocellulosic-degrading microbes, particularly Phanerochaete chrysosporium, Trichoderma pseudokoningii, and Trichoderma sp. The microbes were formulated in a commercial bioactivator product namely SuperDec. The significant results have been obtained on biodegradation of trash composted by using this bioactivator.  Compost maturity could be reached in 7-21 days of incubation indicated by the reductions of solid organic waste particle size and C/N ratio. Based on selected production component values of this trial, the production cost of trash-originated compost is Rp. 200,-/kg with nutrient value equivalent to Rp. 260,-/kg.  Combined applications of the compost with NPK single or with NPK compound fertilizers yielded higher biomass production i.e. 28.5 and 13.3%, respectively, than that obtained from standard NPK single fertilizer application.   Key words:   Sugar cane plantation, solid organic waste, SuperDec, composting technology, C/N ratio, production cost
Analisis Pencapaian Produktivitas Pemetikan Pucuk Sebagai Dampak Agrowisata Di Kebun Teh Gunung Mas, Bogor Dahliani, Lili; Sudradjat, ,; Arifin, Hadi Susilo
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to study the impact of agro-tourism on production of tea bud. The experiment was conducted at Gunung Mas Tea Plantation, Bogor, from June 2004 to March 2005. Blocks 3, 5, 8, 10 and 17 at Gunung Mas I afdeling represented area with agro-tourism activity and blocks 3, 7, and 10 at South Cikopo I afdeling represented area without agro-tourism activity. Site selection was based on plant variety, age of cutting, tea walk track (0, 4, 6, and 10 km), and elevation height (800, 900, and 1000 m above sea level). The result shows that agro-tourism activity decreases production of tea bud. When the number of visitors increased, production of tea bud decreased because the pluckers were absent during the plucking time. The positive impacts of agro-tourism are improvement in plantation management, especially in productive plants, and existing additional income. Gunung Mas Tea Plantation especially Gunung Mas I afdeling which runs agro-tourism should limit the number of visitors and there must be a cross subsidy from agro-tourism to agro-industry sectors.   Key words :  Agro-tourism, productivity of tea shoots, afdeling, plucking.
Pengaruh Sistem Irigasi terhadap Produksi dan Kualitas Organoleptik Tembakau Sulistyono, Eko; Sudradjat, ,; Bintoro, M. H.; Irianto, Gatot
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

The objective of this research was to study the effect of irrigation system on production and organoleptic quality of tobacco. The treatments were conventional irrigation, drip irrigation with mulch and drip irrigation without mulch.  Conventional irrigation was the irrigation system that was usually applied by farmer.  Plastic pipe was used for conveying water from water resource to field, and the irrigation was given twice a week. Drip irrigation was given once in two days. Drip irrigation with mulch resulted higher sun cured leaf weight and water used efficiency than conventional irrigation, but it was not significantly different compared with drip irrigation without mulch.  Drip irrigation without mulch resulted 5.505 ton/ha of sun cured leaf and water use efficiency as much as 3.4 g of sun cured leaf/kg of water.  Organoleptic quality resulted by three irrigation systems were mild to medium, fairly smooth and low irritant.   Key words :  Drip irrigation, mulch, water use efficiency, organoleptic quality, tobacco  
Fluks Metana dan Karakteristik Tanah pada Beberapa Macam Sistem Budidaya Suprihati, ,; Anas, Iswandi; Sabiham, Supiandi; Djajakirana, Gunawan
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 34, No 3 (2006): Jurnal Agronomi Indonesia
Publisher : Bogor Agricultural University

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Abstract

Methane (CH4) is an important greenhouse gas that has a high heat trapping capacity thus potentially contribute to the global-warming.  Agriculture is considered among the responsible emission sources of CH4. Relationship among soil characteristics, soil microbes, and CH4 flux is very important in understanding the mechanism involved in the mitigation effects of certain agriculture practices. Results of this research showed that rice field produced the highest CH4 flux (7.4976 ± 0.5299 mg CH4-C m-2 h-1, n=3), while vegetable, sweet potato, yam bean and corn cropping produced lower CH4 flux (-0.7708 ± 0.6434 to 0.4605 ± 0.5255 mg CH4-C m-2 h-1, n=3). Nitrifier population among cropping systems was 3.13x103 to 3.17x104  MPN g-1 soil (dry weight), while denitrifier population was 3.77x103 to 1.17x105 MPN g-1 soil (dry weight).  There were no specific dominance proportion of nitrosomonas, nitrobacter, denitrifier and total propagule among cropping systems. The CH4 flux had highly correlation to soil water content (r = 0.951), soil pH (r = 0.852) and soil Eh (r = -0.982). Denitrifier had significantly correlation to soil pH (r = -0.635) and soil ammonium content (r =  -0.681).   Key words :  CH4 flux, cropping system, soil characteristic, soil microbes

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