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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Pengaruh Laju Irigasi Serta Dosis Bahan Pengkondisi Tanah terhadap Tingkat Penahanan Lengas Tanah dan Produksi Tanaman Pangan dan Hortikultura pada Tanah Pasir Aqil, Muhammad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 30, No 2 (2002): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Utilization of coastal plain area for farming are scarce due to the problems faced in the development of those lands such as low fertility, high percolation as well as evaporation rate. Temperature ranges from 40-60°C. In order to increase the utilization of the land, an attempt was done to study the effects of number of manure and irrigation rate on  the yields and soil water extraction of maize, groundnut, tomato and chilly pepper in sandy soil. A series of experiment was conducted from April to December 200I using completely randomized design. The treatments included 4 rates of manure i.e. 10, 15,20 and 25 MT/ha and 4 rates of irrigation I.e. 0.6 I/day, 0.9 I/day, 1.21/day and 1.5 I/day. The result of the experiment showed that the favourable condition to keep moisture content in sandy soil at field capacity and flushing of heat in the soil was achieved at irrigation rate of 1.2 I/day except for tomato which obtained the highest water extraction at irrigation rate of 0.9 I/day. Soil water extraction decreased between 0.15 to 0.55% when irrigation rate were reduced from 1.2 I/day to 0.9 I/day and 0.6 I/day on: maize, groundnut and chilly pepper. The highest yield was obtained at fertilization rate of 20 MT/ha except for maize which obtained the highest yield at fertilization rate of I0  MT/ha. Keywords: Coastal plain, Physical properties, Drip irrigation, Organic fertilizer
Pemanenan Air untuk Menciptakan Sistem Usahatani yang Berkelanjutan (Pengalaman di Wonosari, Daerah Istlmewa Yogyakarta) Heryani, Nani; Irianto, Gatot; Pujilestari, Nurwindah
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 30, No 2 (2002): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Rainfall-runoff harvesting on upland farming system and its effect to water production function and farming system sustainability were discussed in this paper. Water production function indicated the exchange of the total rainfall to rainfall net. The result of the experiment showed that measurement of the upland productivity will be reached through: (I) minimum  fluctuation of water availability, (2) maximum water storage capacity of natural or artificial watershed; (3) optimum water use efficiency and variability of commodity. Rainfall-runoff harvesting through modification of hydrology characteristics by building channel reservoir on the river stream retained water in the rainy season and will distribute water in the dry season. Key words: Wafer harvesting, Channel reservoir, Sustainable upland farming system
Pengaruh Pemberian CaCI2 Prapanen terhadap Perubahan Kualitas Tomat Segar Selama Penyimpanan Normasari, Fitri; Purwoko, Bambang S .
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 30, No 2 (2002): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

The objective of the research was to determine the effect of pre harvest CaCI2 application on quality changes of tomato fruits. Experiment consisted of 5 treatments: control, application of 0.1 M CaCI2 at 18 ± 2 days after anthesis (DAA), 0.1 M CaCI2 at 25 ± 2 DAA, 0.2 M CaCI2 at 18.t2 DAA and 0:2 M CaCI2 at 25 ± 2 DAA. Tomato fruits cv. Ratna harvested at breaker stage were used throughout the experiment. Variables to be observed were peel color, weight loss, fruit firmness. total soluble solids, titratable acidity, and respiration. Result of the experiment showed that application , of CaCl2 could not maintain quality and extend shelf life. Application of 0.1 M CaCl2 at 25 ± 2 DAA inhibited peel color. development at  9. 12, and 21 days after harvest.   Key words: Pre harvest, CaCI2, Tomato, Storage
Evaluasi Ketenggangan Galur Padi Gogo terhadap Cekaman Aluminium dan Efisiensi Penggunaan Hara Kalium Wirnas, Desta; Makmur, Amris; Makmur, Amris; Sopandie, Didy; Sopandie, Didy; Aswidinnoor, Hajrial; Aswidinnoor, Hajrial
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 30, No 2 (2002): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

 A study was conducted to reevaluate 15 upland lines previously selected in a field experiment and nutrient culture experiment or tolerance to aluminum toxicity and potassium efficiency in the plastic house of Center for Crop Improvement Studies, Tajur, Bogor. The experiment was conducted in pot culture using Red Yellow Podzolic soil from Jasinga, Bogor. Two level of AI stress (no AI stress and AI stress with pH 4.8, Al saturation 80%, and exchangeable Al 16.6 mei/IOOg) and two levels of potassium fertilizer (6 kg K2Olha and 60 K2Olha) were applied. The study showed that the upland rice lines performed poorer under AI-tress condition compared to under non stress condition in plant heigl at harvest, total number of  tiller, number of productive tiller, length of spikelet and grain weight/pot. The performance of the upland rice lines was also significantly different under different level of potassium fertilizer in total number off tiller and nun1ber of productive tiller. Lines that showed significant difference in its performance under AI-stress and non stress condition were consiidered as tolerant lines. The result showed that Lalantik Bamban, Sigundil,CT65 I 0-24-3- I, Hawara Bunar, Ketombol, and Grogol were classified as AI-tolerant and K-efficient lines. Key word: Upland rice, Aluminium, Potasium
Produktivitas Genotipe Padi Gogo Adaptif Naungan pada Kondisi Digenangi dan Kering Santosa, Edi
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol 30, No 2 (2002): Buletin Agronomi
Publisher : Bogor Agricultural University

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Abstract

Increase in utilization of upland rice tolerant to shade under plantation and commercial timber canopy. demands significant amount of seed become critical. The objective of this research was to study the productivity of shade-tolerant upland rice genotypes under flooded and dried cultivation. Research was conducted in the greenhouse of the Department of Agronomy, IPB, Bogor from September 1998 to March 1999. Random Complete Block (RCB) Design with two factors i.e. flood-dry and 12 genotypes of upland rice, namely Jatiluhur, Dodokan, TB 165E-TB-6, TB 13G-TB-2. ITA247, B7291D-SM-12,  B6926F-TB-l, B9484-F-TB-3, B9266F-PN-7-MR-2-PN-4, TBI77E-TB-30-B-2, B149F- MR-7. and TB35H-MR-3 was used. Genotypes were cultivated in plastic pots containing 10 kg media mix of soil and manure 9: I. Dry cultivation was performed with a two-day interval of watering; while flooding was done as in sawah field. Other maintenance such as weeding and fertilization were applied as in sawah cultivation. Treatments were replicated three times with two pots in each replicate. The result showed that flooding increased the number of tiller by 20% for the genotype B729ID-SM-12 (V6), B9484-F-TB-3 (V8), B9266F-PN-7-MR-2-PN-4 (V9), BI49F-MR-7 (V11), and TB35H-MR-3 (V12), increased biomass of top part 31.29 ± 29.02:% and roots 187. 91 ± 74. 16% for genotype TBI3G-TB-2 (V1), ITA247 (V5), B6926F-TB-1 (V-), B9484-F-TB-3 (V8), B9266F-PN-7-MR-2-PN-4 (V9), and TBI77E-TB-30-B-2 (V10), decreased the shoot root ratio by 53.10 ± 9. 70%; affected the number of productive tiller and the number of panicle 18.47± 51.04%; and increased the productivity up to 111.34 ± 123.19%. Based on a cluster analysis, three groups were proposed. A first group suitable for flooding were Jatiluhur (V1), TBI65E-TB-6 (V3), ITA247 (V5), B6926F-TB-1 (V-), B9484-F-TB-3 (V8). B9266F-PN-7-MR-2-PN-´4 (V9). and TBJ.77E-TB-30-B-2 (V10). A second group not suitable for flooding were Dodokan (V~, B7291D-SM-12 (V6), BI49F-MR-7 (V11), and TB35H-MR-3 (V12). A moderate genotype. TB 13G- TB-2 (V4). performed well in both cultivation methods was in the third group. Key words: Shading. upland rice, Flooding, Dry, Productivity

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