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The Effect of Fertilization on Growth Response of Porang (Amorphophallus oncophyllus Prain) in Dipterocarp Forests, East Kalimantan Indonesia

AGRIVITA, Journal of Agricultural Science · Vol. 47 No. 2 (2025) · hlm. 260–267

DOI
10.17503/agrivita.v47i2.4357
ISSN
2477-8516, 0126-0537
Terbit
2025-04-16
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The use of forest land under dipterocarp for agroforestry is hindered by the problem of low fertility, necessitating the application of fertilization from organic materials, such as manure, compost, or biochar. These materials provide essential nutrients, including nitrogen, carbon, phosphorus, and potassium, increase cation exchange capacity (CEC), neutralize the pH, and enhance soil texture and water retention. This study aims to determine the effect of fertilization on the growth of Porang in the dipterocarp forest in PT Utama Damai Indah Timber East Kalimantan. It was conducted from August 2021 to July 2022. A completely randomized design (CRD) was used with three replications at five treatment levels: manure 1000 g/plant (P1), compost 1000 g/plant (P2), biochar + manure 1000 g/plant (P3), biochar + compost 1000 g/plant (P4), and control without fertilization (P0). Data analysis was performed using ANOVA, followed by the Duncan test at a 10% level. The results showed that applying organic fertilizer enhanced soil's physical and chemical properties significantly. The combination of biochar and manure, at 1000 g/plant, proved to be the most effective treatment for increasing the height and yield of Porang compared to the control and other treatments.

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27 penulis · 93 tautan kepenulisan bersama · 34 lintas organisasi

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  • Mulawarman University
  • Universiti Malaysia Sarawak
  • Yogyakarta State University
  • Forestry and Forest Products Research Institute
  • Jilin University
  • Universitas Mulia
  • National Park Service
  • Afiliasi tidak diketahui
  • Organisasi berbeda
  • Organisasi sama
  • Afiliasi tidak diketahui
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Rekan penulisOrganisasiArtikel bersama
Karmini KarminiMulawarman University3
Sri SarminahMulawarman University3
Kiswanto KiswantoMulawarman University2
Enih RosamahMulawarman University2
Riyayatsyah RiyayatsyahUniversitas Mulia2
Kusno Yuli WidiatiMulawarman University1
Muna KarhaniYogyakarta State University1
Rita Eka IzzatyYogyakarta State University1
Herwin HerwinYogyakarta State University1
Rendi RendiJilin University1
Sutedjo SutedjoMulawarman University1
Rita DianaMulawarman University1
Rohman RohmanMulawarman University1
Ho Soo YingUniversiti Malaysia Sarawak1
Mugunthan PerumalUniversiti Malaysia Sarawak1
Ali Muhammad AkbarNational Park Service1
Rifaldi HermansyahAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://agrivita.ub.ac.id/index.php/agrivita/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">The Effect of Fertilization on Growth Response of Porang (Amorphophallus oncophyllus Prain) in Dipterocarp Forests, East Kalimantan Indonesia</dc:title>
	<dc:creator>Kasransyah, Kasransyah</dc:creator>
	<dc:creator>Marjenah, Marjenah</dc:creator>
	<dc:creator>Rujehan, Rujehan</dc:creator>
	<dc:creator>Karyati, Karyati</dc:creator>
	<dc:creator>Ruslim, Yosep</dc:creator>
	<dc:creator>Matius, Paulus</dc:creator>
	<dc:creator>Syahrinudin, Syahrinudin</dc:creator>
	<dc:creator>Soetioso, Rusdi</dc:creator>
	<dc:creator>Wasli, Mohd Effendi</dc:creator>
	<dc:creator>Toma, Takeshi</dc:creator>
	<dc:subject xml:lang="en-US">agronomy; soil science</dc:subject>
	<dc:subject xml:lang="en-US">Agroforestry; Biochar; Natural production forest; Plant growth; Tuber yield</dc:subject>
	<dc:description xml:lang="en-US">The use of forest land under dipterocarp for agroforestry is hindered by the problem of low fertility, necessitating the application of fertilization from organic materials, such as manure, compost, or biochar. These materials provide essential nutrients, including nitrogen, carbon, phosphorus, and potassium, increase cation exchange capacity (CEC), neutralize the pH, and enhance soil texture and water retention. This study aims to determine the effect of fertilization on the growth of Porang in the dipterocarp forest in PT Utama Damai Indah Timber East Kalimantan. It was conducted from August 2021 to July 2022. A completely randomized design (CRD) was used with three replications at five treatment levels: manure 1000 g/plant (P1), compost 1000 g/plant (P2), biochar + manure 1000 g/plant (P3), biochar + compost 1000 g/plant (P4), and control without fertilization (P0).  Data analysis was performed using ANOVA, followed by the Duncan test at a 10% level. The results showed that applying organic fertilizer enhanced soil's physical and chemical properties significantly. The combination of biochar and manure, at 1000 g/plant, proved to be the most effective treatment for increasing the height and yield of Porang compared to the control and other treatments.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Agriculture University of Brawijaya in collaboration with PERAGI</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2025-04-16</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://agrivita.ub.ac.id/index.php/agrivita/article/view/4357</dc:identifier>
	<dc:identifier>10.17503/agrivita.v47i2.4357</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 47, No 2 (2025); 260-267</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v47i2</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/4357/1873</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/4357/3392</dc:relation>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/downloadSuppFile/4357/3393</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 The Author(s)</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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