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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Teknologi Dan Industri Pangan Jurnal Hortikultura Indonesia Agrotrop : Journal on Agriculture Science METAMORFOSA Journal of Biological Sciences Jurnal Agrista Jurnal Floratek Journal of Tropical Soils AGRIVITA, Journal of Agricultural Science JURNAL PENGABDIAN KEPADA MASYARAKAT Jurnal Penelitian Pertanian Terapan Kultivasi SAINS TANAH - Journal of Soil Science and Agroclimatology Caraka Tani: Journal of Sustainable Agriculture Jurnal Agrotek Tropika Agro Bali: Agricultural Journal Jurnal Agrotropika SEMAR (Jurnal Ilmu Pengetahuan, Teknologi, dan Seni bagi Masyarakat)

Darwin H. Pangaribuan

(Scopus Author ID: 57193984671), Jurusan Agronomi Hortikultura, Fakultas Pertanian, Universitas Lampung;

Author-ID : 339502

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Social Sciences

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Dampak Bokashi Kotoran Ternak dalam Pengurangan Pemakaian Pupuk Anorganik pada Budidaya Tanaman Tomat Darwin Habinsaran Pangaribuan; Muhammad Yasir; Novisha Kurnia Utami
Indonesian Journal of Agronomy Vol. 40 No. 3 (2012): 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 the effect of bokashi livestock on the growth and yield of tomatoes. The experiment was conducted in Bandar Lampung from October 2009 until February 2010. The experimental design was randomized complete block design with 3 replications. The treatments were: control; inorganic fertilizers at a recommended rate of (kg ha-1) 135 N, 75 P2O5, and 110 K2O (RR); chicken manure bokashi + RR; chicken manure bokashi + 50% RR; cow manure bokashi + RR; cow manure bokashi + 50% RR; sheep manure bokashi + RR; sheep manure bokashi + 50% RR; horse manure bokashi + RR; horse manure bokashi + 50% RR. Each bokashi treatment was applied at the rate of 20 ton ha-1. The result of experiment showed that chicken manure bokashi was the best among bokashi livestock. The application of 50% RR combined with chicken, cow, sheep or horse manure bokashi gave a higher yield than treatment with inorganic fertilizer at recommended rates. These results demostrated that the application of bokashi livestock could potentially reduce the use of inorganic fertilizers while maintaining higher yield. Keywords: animal manure, inorganic fertilizer, bokashi livestock, tomatoes

Pengurangan Pemakaian Pupuk Anorganik dengan Penambahan Bokashi Serasah Tanaman pada Budidaya Tanaman Tomat Darwin Habinsaran Pangaribuan
Indonesian Journal of Agronomy Vol. 39 No. 3 (2011): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

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

Application of 1-MCP to Intact Tomatoes Differing in Maturity Delays Quality Changes in the Stored Slices Darwin Habinsaran Pangaribuan
Indonesian Journal of Agronomy Vol. 39 No. 2 (2011): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

A study was carried out to determine the effect of 1-MCP applied to intact tomatoes differing in maturity stage onquality of stored tomato slices. 1-MCP (1 μL L-1, 20 °C, 12 h) was applied directly to intact tomatoes from ‘turning’, ‘pink’,and ‘light-red’ stages of maturity. After slicing, slices were stored for up to 10 days at 5 ºC. 1-MCP maintained slice qualityduring storage following treatment of intact ‘turning’ and ‘pink’ maturity fruit as indicated by higher titratable acidity, higherascorbic acid concentration, and lower lycopene content.1-MCP treatment did not signifi cantly affect soluble solids andelectrolyte leakage. Slices from ‘light-red’ maturity stage fruit did not respond to 1-MCP. The results show that applicationof 1-MCP to intact tomatoes was effective in maintaining tomato slice quality if 1-MCP is applied to fruit at early (‘turning’and ‘pink’) stages of maturity.Keywords: 1-methylcyclopropene, soluble solids, acidity, ascorbic acid, lycopene, electrolyte leakage

THE EFFECT OF ETHYLENE IN MAINTAINING QUALITY OF TOMATO SLICES Darwin H Pangaribuan
Jurnal Teknologi dan Industri Pangan Vol. 20 No. 1 (2009): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (247.442 KB)

Processes such as slicing tomato fruits disrupt the plant tissue so the products become more perishable compared with the intact fruit. Ethylene production is stimulated during the slicing of fresh cut tomato slices. Experiments were conducted to investigate if ethylene absorbent and exogenous ethylene influences the quality of tomato slices cv. ‘Revolution’ during storage at 5°C. In the experiment of ethylene absorbent, experiment was laid out in a completely randomised design. The treatments were plus 10 g and minus ethylene absorbent (KMnO4; PurafilÒ; 5°C for 12 d). In the experiment of ethylene concentrations, experiment was laid out in a completely randomised design. The treatments were exogenous ethylene concentrations of 0 (control), 0.1, 1 or 10 mL L–1 respectively (5°C for 6 h). In both experiments, the treatments were replicated 5 fold. Results showed that ethylene absorbent resulted in reduced ethylene accumulation, and CO2 accumulation in enclosed containers, and firmer slices. Ethylene applied 2 days after slicing stimulated the rate of ethylene production, CO2 production, and produced softer slices during storage. Changes in soluble solids concentration and titratable acidity development were independent of ethylene effects. These experiments showed that ethylene produced by slicing or introduced exogenously had an undesirable effect of accelerating softening of tomato slices.

THE EFFECT OF 1-MCP IN MAINTAINING THE QUALITY OF TOMATO SLICES Darwin H. Pangaribuan; D. E. Irving
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (378.17 KB)

Maintenance of quality traits is important during storage of fresh-cut produce. Changes in firmness, in tomato for instance, are ethylene-mediated. The objective of this study was to determine the suitability of the ethylene antagonist 1-MCP in maintaining the quality of tomato slices. Fruits of tomato cv. ‘Revolution’ were harvested at the ‘pink’ stage of maturity, treated with 1 mL.L-1 1-MCP for 12 hours at 20 ºC, and sliced. Slices were stored as vertical stacks in closed plastic containers at 5 °C for up to 10 days. Exposure of intact tomatoes to 1-MCP reduced ethylene production and respiration rate in slices, and produced firmer slices than when intact tomatoes were treated without 1-MCP. When intact tomatoes, at the ‘pink’ maturity stage were treated with several concentrations at 1-MCP (0.1, 1.0 or 10.0 mL.L-1) at 20 °C for 12 h, 1-MCP reduced both ethylene production and the respiration rate, delayed softening of the pericarp and inhibited loss in acidity when compared with slices from fruit not treated with 1-MCP. The most effective concentration of 1-MCP for inhibiting the ethylene-induced softening of tomato slices was 1 mL.L-1.

Aplikasi Pupuk Organik Cair dan Pupuk Anorganik terhadap Pertumbuhan, Produksi, dan Kualitas Pascapanen Jagung Manis (Zea mays var. saccharata Sturt.) Darwin H. Pangaribuan; Yohannes Cahya Ginting; Lucky Purwa Saputra; Hairani Fitri
Jurnal Hortikultura Indonesia Vol. 8 No. 1 (2017): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

ABSTRACTThe aim of experiment is to determine the effect of application of organic-liquid fertilizer and inorganic fertilizer recommendation (Urea, SP-36 and KCl) on growth, yield, and post-harvest quality of sweet corn (Zea mays var. saccharata Sturt.) Talenta variety. The experiment was conducted in Kota Sepang Jaya, Bandar Lampung, Lampung Province in December 2015 to March 2016. The experiment used Randomized Block Design (RBD) with six level of treatments and three replications. Treatments were (L1) control/without fertilizer; (L2) inorganic fertilizer 100% recommendation; (L3) organic-liquid fertilizer; (L4) organic- liquid fertilizer + inorganic fertilizer 100% recommendation; (L5) organic-liquid fertilizer + inorganic fertilizer 60% recommendation; and (L6) organic-liquid fertilizer + inorganic fertilizer 20% recommendation. The use of organicliquid fertilizer, inorganic fertilizer recommendation, or both combinations on sweet corn Talenta variety showed higher growth, yield, and postharvest quality than without fertilizer treatment. The combination of organic-liquid fertilizer and inorganic fertilizer (Urea, SP-36 and KCl) 20% recommendation can be an alternative package economical for producing sweetcorn. This treatment also showed the lowest storage loss when compared to other treatments.Keywords: biofertilizer, urea, SP-36, KCl, TalentaABSTRAKPercobaan ini bertujuan untuk mengetahui pengaruh aplikasi pupuk organik cair dan rekomendasi pemupukan anorganik (Urea, SP-36 dan KCl) terhadap pertumbuhan, produksi, dan kualitas pasca panen jagung manis (Zea mays var. saccharata Sturt.) varietas Talenta. Penelitian dilakukan di Kota Sepang Jaya, Labuhan Ratu, Bandar Lampung, Provinsi Lampung pada bulan Desember 2015 sampai Maret 2016. Percobaan menggunakan Rancangan Acak Kelompok (RAK) 1 faktor dengan 6 taraf perlakuan dan tiga ulangan. Susunan perlakuan adalah (L1) kontrol (tanpa pupuk); (L2) pupuk anorganik 100% rekomendasi; (L3) pupuk organik cair; (L4) pupuk organik cair + pupuk anorganik 100% rekomendasi; (L5) pupuk organik cair + pupuk anorganik 60% rekomendasi; dan (L6) pupuk organik cair + pupuk anorganik 20% rekomendasi. Penggunaan pupuk organik cair, rekomendasi pemupukan anorganik, atau kombinasi keduanya menghasilkan pertumbuhan yang lebih tinggi, hasil, dan kualitas pascapanen yang lebih baik daripada perlakuan tanpa pupuk. Kombinasi pupuk organik cair dan pupuk anorganik (Urea, SP-36 dan KCl) 20% rekomendasi dapat menjadi pupuk ekonomis alternatif untuk menghasilkan jagung manis yang optimum dan juga perlakuan tersebut menunjukkan penyusutan bobot tongkol yang terendah jika dibandingkan dengan perlakuan lain.Kata kunci: pupuk hayati, urea, SP-36, KCl, Talenta

The Physiologi and Nutrition of Tomato Slices as Affected by Fruit Maturity and Storage Temperature Darwin H. Pangaribuan; Donald Irving
Jurnal Agrista Vol 10, No 3 (2006): Volume 10 Nomor 3 Desember 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Fisiologi dan Nutrisi Irisan Tomat Akibat Pengaruh Kematangan Buah dan Suhu SimpanABSTRACT. Penelitian ini bertujuan mengevaluasi pengaruh kematangan buah tomat dan suhu simpan terhadap cirri fisiologis dan kandungan nutrisi irisan buah tomat yaitu produksi etilen, laju respirasi, kebocoran elektrolit serta kandungan asam askorbik dan likopen. Penelitian yang menggunakan tomat cv. ‘Revolution’ ini dilaksanakan di laboratorium Pascapanen Hortikultura milik ‘School of Agronomy and Horticulture’ The University of Queensland, Australia. Perlakuan terdiri atas 4 tingkat kamatangan buah yaitu hijau-kuning (‘turning’), oranye (‘pink’), merah muda (‘light-red’) dan merah (‘red’) dan 3 tingkat suhu simpan yaitu suhu 0, 5 dan 100C. Buah tomat dikerat dengan alat ‘slicing machine’. Percobaan menggunakan rancangan acak lengkap dengan 5 ulangan. Hasil penelitian menunjukkan bahwa irisan tomat dari buah hijau-kuning menunjukkan laju produksi etilen dan tingkat respirasi yang lebih tinggi, kebocoran elektrolit yang lebih rendah, kandungan asam askobik dan likopen yang lebih rendah daripada irisan tomat dari buah berwarna merah. Irisan tomat yang disimpan pada suhu 00C menghasilkan laju produksi etilen dan tingkat respirasi yang lebih rendah, kebocoran elektrolit yang lebih rendah, kandungan asam askorbik yang lebih tinggi, kandungan likopene yang lebih rendah daripada irisan tomat yang disimpan pada suhu 100C.

Effect of Fruit Maturity and Storage Temperature on The Quality and Storage Life of Tomato Slices Darwin H. Pangaribuan; Donald Irving
Jurnal Agrista Vol 12, No 1 (2008): Volume 12 Nomor 1 April 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Pengaruh Kematangan Buah dan Suhu Simpan Terhadap Kualitas dan Daya Simpan Irisan Buah TomatABSTRAK. Penelitian ini bertujuan mengevaluasi pengaruh kematangan buah dan suhu simpan terhadap kualitas dan daya simpan irisan buah tomat. Penelitian yang menggunakan tomat cv. ‘Revolution’ ini dilaksanakan di Laboratorium Pascapanen Hortikultura milik ‘School of Agronomy and Horticulture’ the University of Queensland, Australia pada tahun 2003. Perlakuan disusun secara faktorial 4 x 3 dalam rancangan acak lengkap dengan 5 ulangan. Faktor pertama adalah 4 tingkat kematangan buah yaitu buah semburat-kuning (‘turning’), oranye (‘pink’) merah muda (‘light-red’) dan merah (‘red’) dan faktor kedua adalah 3 suhu simpan berturut-turut suhu 0, 5 dan 100C. Buah tomat diiris dengan ‘slicing machine’. Hasil penelitian menunjukkan bahwa pericarp irisan tomat dari buah semburat-kuning lebih keras, pembentukan warna merah lebih lambat, mengandung padatan terlarut lebih rendah, tingkat keasaman lebih tinggi, umur simpan lebih lama (10 hari) dari pada irisan tomat dari buah merah. Irisan tomat yang disimpan pada suhu 00C pericarpnya lebih keras, menghasilkan padatan terlarut lebih tinggi, tingkat keasaman lebih tinggi, pembentukan warna merah lebih lambat daripada irisan tomat yang diisimpan pada suhu 100C. Irisan buah tomat dari buah oranye dan merah muda menunjukkan kualitas terbaik untuk dikonsumsi pasca penyimpanan, sedangkan 00C adalah suhu simpan yang menghasilkan kualitas irisan tomat terbaik dan umur simpan lebih lama (12 hari).

PENGARUH PEMBERIAN KOMBINASI PUPUK ANORGANIK TUNGGAL DAN PUPUK HAYATI TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt) SERTA POPULASI MIKROBA TANAH Darwin Habinsaran Pangaribuan; Kus Hendarto; Karisma Prihartini
Jurnal Floratek Vol 12, No 1 (2017): April 2017
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Syiah Kuala

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The aim of research was to determine the effect of the combination of a single inorganic fertilizers and biofertilizers on the growth and yield of sweet corn (Zea mays Saccharata Sturt) and soil microbial population. Research was conducted in Bandar Lampung from December 2015 to March 2016. The study was conducted using a randomized block design with six treatments and three replications. Those treatments were K0 (control), K1 (Urea 300 kg / ha, SP-36 150 kg / ha, KCl 100 kg / ha), K2 (Urea = 300 kg / ha, SP-36 150 kg / ha, KCl 100 kg / ha) + Biomax Grow, K3 (Urea 180kg / ha, SP-36 to 90 kg / ha, KCl = 60 kg / ha) + Biomax Grow K4 (Urea 60kg / ha, SP-36 30 kg / ha, KCl 20 kg / ha) and K5 = Biomax Grow. The experiment showed the highest production of sweet corn obtained was 13.20 tonnes / ha from a combination of 60% inorganic fertlizers with biofertilizer.

PENGARUH PUPUK CAIR URINE SAPI TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS ( Zea mays L.) Darwin Habinsaran Pangaribuan; Sarno Sarno; Muhammad Chandra Kurniawan
Metamorfosa: Journal of Biological Sciences Vol 4 No 2 (2017)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2017.v04.i02.p11

Tujuan dari penelitian ini adalah untuk mengetahui apakah pupuk cair urine sapi dapat mengurangi penggunaan Urea dalam upaya untuk meningkatkan pertumbuhan dan produksi jagung manis. Penelitian ini dilakukan di Bandar Lampung. Mulai April sampai Juli 2015. Penelitin menggunakan rancangan acak kelompok dengan lima perlakuan, yaitu (P0) kontrol, (P1) pupuk Urea 270 gram, (P2) urine sapi 7 ml/l (7.000 ppm) pada 2, 4, 6, dan 8 MST, (P3) pupuk Urea 135 gram dan urine sapi 7 ml/l (7.000 ppm) pada 3 dan 5 MST dan (P4) pupuk Urea 135 gram dan urine sapi 7 ml/l (7.000 ppm) pada 2, 4, 6, dan 8 MST. Hasil penelitian menunjukkan bahwa pupuk cair urine sapi memberikan pengaruh nyata terhadap variabel pertumbuhan dan produksi tanaman jagung manis. Perlakuan P2 pada 2, 4, 6 dan 8 MST direkomendasikan sebagai pupuk alternatif Urea.

Co-Authors Ainin Niswati Ainin Niswati Ainin Niswati Akari Edy Arif Aditya D. E. Irving Dad Resiworo J Sembodo Dame Trully Gultom Dermiyati Dermiyati Dermiyati Dermiyati Dewinta Puspita Sari Donald Irving Echa Dessya Zaheri Ega Utari F.X. Soesilo Fika Wulandini H. Pujisiswanto Hairani Fitri Hayane Adeline Warganegara, Hayane Adeline Hidayat Pujisiswanto Icha Deska Rani Joko Prasetyo Karisma Prihartini Kus Hendarto Kus Hendarto Kuswanta Futas Hidayat Lucky Purwa Saputra Muhammad Chandra Kurniawan Muhammad Syamsoel Hadi Muhammad Yasir Niar Nurmauli Niar Nurmauli Novisha Kurnia Utami Pipit Kinasih Raden Ajeng Diana Widyastuti Radix Suharjo Rindang Wicaksono RISQI KURNIA SUCI Rosi Oktiya Rugayah Sanjaya, Purba Sarah Bahriana Sarno Sarno SARNO SARNO Sarno Sarno Sarno Sarno Setyo Dwi Utomo Sri Yusnaini Syamsul Arif Tri Fitriani Widia Agustin Yessa Liliana Yohannes C. Ginting Yohannes Cahya Ginting Yohannes Cahya Ginting Yohannes Cahya Ginting Yohannes Cahya Ginting Yosefhine Indah Aprilyani

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