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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal AGROSAINS dan TEKNOLOGI Jurnal Agrotek Tropika Jurnal Riset Manajemen dan Bisnis

Edi Santosa Edi Santosa

Soil Biology and Health Division, Indonesian Soil Research Institute, Indonesian Agency for Agricultural Research and Development Jl. Tentara Pelajar No.12 Cimanggu Bogor 16114 Indonesia

Author-ID : 567448

Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Social Sciences

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Pengaruh Tinggi Pangkasan Batang Utama dan Jumlah Cabang Primer yang Dipelihara terhadap Produksi Minyak Jarak Pagar (Jatropha curcas L.) Ince Raden; Bambang S. Purwoko; , Hariyadi; Munif Ghulamahdi; Edi Santosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 37 No. 2 (2009): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this research was to study shoot architecture in relation to growth, increase production and seed oil content through various stem pruning and number of primary branches. This research was conducted using Randomized Complete Block Design with single factor. It consisted of ten treatments, i.e., K=kontrol, T20= height of stem pruning at 20 cm from soil and without control on number of primary branches, T20-2=height of stem pruning at 20 cm from soil and two primary branches, T20-3= height of stem pruning at 20 cm and three primary branches, T30= height of stem pruning at 30 cm and without control on number of primary branches, T30-2= height of stem pruning at 30 cm and two primary branches, T30-3=height of stem pruning 30 cm and three primary branches, T40=height of stem pruning at 40 cm and without control on number of primary branches, T40-2=height of stem pruning at 40 cm and two primary branches, and T40-3=height of stem pruning 40 cm and three primary branches. The results showed that stem pruning increased number of primary branches. The highest seed oil content and seed production was achieved T40 and T30-3 treatments i.e., 323.81 g/plant or 0.810 ton/ha and 320.61 g/plant or 0.802 ton/ha with seed oil yield 244.56 kg/ha and 276.61 kg/ha, respectively. Key words : Jatropha curcas L., seed oil content, pruning, primary branches

Pengaruh Jenis Pupuk Organik dan Mulsa terhadap Pertumbuhan Tanaman Lidah Buaya (Aloe vera Mill.) Edi Santosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 31 No. 3 (2003): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this research was to determine source and level of organic matter on growth of Aloe vera Mill Random complete block (RCB) design was applied where two sources of manure i.e. lamb and cow dung and two kinds of mulch i.e. rice husk and sawmill dust were used. The results showed that application of manure significantly increased the plant height and the number of leaf Lamb dung gave better responses than cow dung, here the best level of lamb dung was 1 kg per plant. Effectiveness of manure application was 4 months, afterward need another application. Mulching did not affect both plant height and number of leaf significantly. Key words: Aloe, Organic manure, Sawmill dust, Rice husk

Produktivitas Genotipe Padi Gogo Adaptif Naungan pada Kondisi Digenangi dan Kering Edi Santosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 30 No. 2 (2002): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

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

Karakteristik Daun Jarak Pagar (Jatropha curcas L.) dan Hubungannya dengan Fotosintesis Ince Raden; Bambang S. Purwoko; , Hariyadi; Munif Ghulamahdi; Edi Santosa
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 36 No. 2 (2008): Buletin Agronomi
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

The objective of this research was to study the morphology and physiology of jatropha leaves and its relation to photosynthesis. Research was conducted using Randomized Complete Block Design with single factor, i.e., leaf ages at the canopy with ten replications. The results showed that jatropha had phyllotaxy 5/13 with angular divergence 1380 . In early growing leaf enlarged sharply and then constant after 9 week, remaining green for 14 weeks. Chlorophyll a, b, and total achieved maximum at 9 week, i.e., 0.45 g/cm2 , 0.19 g/cm2 , and 0.62 g/cm2 , respectively. Photosynthesic rate was maximum at 6 week, i.e., 8.99 µmol/m2 /s, while number of stomata was maximum at 9 week (289.47 mm2 ). This finding implies that leaf number 11 to 13 or age 6 week after emergence could be used as reference for photosynthetic evaluation.

Co-Authors , Hariyadi Bambang S. Purwoko Deden Derajat Matra Dhika Prita Hapsari Didy Sopandie Eny Widajati Faqih Udin Hadi Purnomo Ince Raden Intan Dewi Puspitasari Kazi Liaquat Hossain Lutfy Ditya Cahyanti, Lutfy Ditya Md. Abdul Wadud Md. Abul Kashem Md. Shajahan Ali Mohammad Abdul Wadud Muhammad Thamrin Munif Ghulamahdi Ni Made Armini Wiendi Nobuo Sugiyama Roedhy Poerwanto Slamet Susanto Sobir Sobir Sofyan Zaman Trikoesoemaningtyas

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