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Analyzing the Impact of Land Resource Dimension on Konjac (Amorphophallus onchophyllus) Yield and Land Suitability Criteria Using PLS-SEM and Boundary Line Methods In Gorontalo, Indonesia

AGRIVITA, Journal of Agricultural Science · Vol. 48 No. 1 (2026) · hlm. 52–74

DOI
10.17503/agrivita.v41i0.4861
ISSN
2477-8516, 0126-0537
Terbit
2026-01-06
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

The current land suitability criteria for konjac are incomplete and fail to consider land dimensions and quality, which influence optimal yield. This research aims to develop criteria for konjac land suitability based on the dimensions, quality, and characteristics of selected land. In Gorontalo Province, Indonesia, 131 land units were surveyed to obtain data on the quality and characteristics. Selection of land dimensions, quality, and characteristics using Structural Equation Modeling (SEM) with Partial Least Squares (PLS). Meanwhile, the optimum yield and distinguished land suitability criteria for konjac plants using the boundary line method. The results indicated that intrinsic and extrinsic dimensions determined the new land suitability criteria. In the intrinsic dimension, land quality was assessed based on root conditions, oxygen availability, nutrient availability, nutrient retention, and sodicity. For the extrinsic dimension, land quality only comprised temperature, water availability, land preparation, and erosion hazard. Land characteristics in the intrinsic dimension consisted of soil drainage, texture, bulk density, particle density, porosity, pH, organic C, CEC, base saturation, total N, available P, and exchangeable K. For the extrinsic dimension, land characteristics included slope, soil erosion, surface rocks, and rock outcrops. The highest optimum yield of konjac was 9.17 t/ha, and the lowest was 6.69 t/ha, respectively.

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  • State University of Gorontalo
  • University of Brawijaya
  • National Research and Innovation Agency
  • Universitas Muhammadiyah Gorontalo
  • Universitas Ichsan Gorontalo
  • Gazipur Agricultural University
  • Universiti Putra Malaysia
  • Organisasi lain
  • Organisasi berbeda
  • Organisasi sama
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Rekan penulisOrganisasiArtikel bersama
Siswatiana Rahim TahaState University of Gorontalo4
Mohammad A AzisState University of Gorontalo3
Yunnita RahimState University of Gorontalo3
Mahmud KasimState University of Gorontalo3
Ria IndrianiState University of Gorontalo2
Roymon PanjaitanUniversitas Dian Nuswantoro1
Muhammad HasanState University of Makassar1
Indra MawardiPoliteknik Negeri Lhokseumawe1
Zulkarnaini ZulkarnainiIslamic University of Riau1
Sri Fatmawati IsiniState University of Gorontalo1
Chusnul Islamiyati JusufState University of Gorontalo1
Ramlan MustafaState University of Gorontalo1
Mu'min OkiState University of Gorontalo1
Karlena ArsyadState University of Gorontalo1
Elvira H. NgabitoState University of Gorontalo1
Asda RaufState University of Gorontalo1
Mochtar Lutfi RayesUniversity of Brawijaya1
Christanti AgustinaUniversity of Brawijaya1
Endang ListyariniUniversity of Brawijaya1
Risma NeswatiHasanuddin University1
Yiyi SulaemanNational Research and Innovation Agency1
Sukarman SukarmanNational Research and Innovation Agency1
Tony BasukiNational Research and Innovation Agency1

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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">Analyzing the Impact of Land Resource Dimension on Konjac (Amorphophallus onchophyllus) Yield and Land Suitability Criteria Using PLS-SEM and Boundary Line Methods In Gorontalo, Indonesia</dc:title>
	<dc:creator>Nurdin, Nurdin</dc:creator>
	<dc:creator>Pembengo, Wawan</dc:creator>
	<dc:creator>Adam, Echan</dc:creator>
	<dc:creator>Moonti, Agustinus</dc:creator>
	<dc:creator>Rahman, Rival</dc:creator>
	<dc:creator>Suparwata, Dewa Oka</dc:creator>
	<dc:creator>Angelia, Ika Okhtora</dc:creator>
	<dc:creator>Azis, Muhammad Arief</dc:creator>
	<dc:creator>Arsyad, Silviana</dc:creator>
	<dc:creator>Dude, Suyono</dc:creator>
	<dc:creator>Zakaria, Fauzan</dc:creator>
	<dc:creator>Bagu, Fitria S.</dc:creator>
	<dc:creator>Apriliani, Silvana</dc:creator>
	<dc:creator>Mokoginta, Meity M.</dc:creator>
	<dc:creator>Pade, Satriawati</dc:creator>
	<dc:creator>Rajib, Md. Mijanur Rahman</dc:creator>
	<dc:creator>Hakiman, Mansor</dc:creator>
	<dc:subject xml:lang="en-US">soil-plant sciences</dc:subject>
	<dc:subject xml:lang="en-US">Criteria; Dimension; Konjac; Land; Suitability</dc:subject>
	<dc:description xml:lang="en-US">The current land suitability criteria for konjac are incomplete and fail to consider land dimensions and quality, which influence optimal yield. This research aims to develop criteria for konjac land suitability based on the dimensions, quality, and characteristics of selected land. In Gorontalo Province, Indonesia, 131 land units were surveyed to obtain data on the quality and characteristics. Selection of land dimensions, quality, and characteristics using Structural Equation Modeling (SEM) with Partial Least Squares (PLS). Meanwhile, the optimum yield and distinguished land suitability criteria for konjac plants using the boundary line method. The results indicated that intrinsic and extrinsic dimensions determined the new land suitability criteria. In the intrinsic dimension, land quality was assessed based on root conditions, oxygen availability, nutrient availability, nutrient retention, and sodicity. For the extrinsic dimension, land quality only comprised temperature, water availability, land preparation, and erosion hazard. Land characteristics in the intrinsic dimension consisted of soil drainage, texture, bulk density, particle density, porosity, pH, organic C, CEC, base saturation, total N, available P, and exchangeable K. For the extrinsic dimension, land characteristics included slope, soil erosion, surface rocks, and rock outcrops. The highest optimum yield of konjac was 9.17 t/ha, and the lowest was 6.69 t/ha, respectively.</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">Ministry of Education, Culture, Research and Technology of the Republic of Indonesia</dc:contributor>
	<dc:date>2026-01-06</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/4861</dc:identifier>
	<dc:identifier>10.17503/agrivita.v41i0.4861</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 48, No 1 (2026); 52-74</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v48i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/4861/1936</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2026 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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