Pola Hubungan Nutrisi Tajuk, Morfologi Tajuk, Komponen Tandan dan Komponen Hasil Kelapa Sawit pada Lahan Gambut di Kalimantan Tengah

  • Almatholib S
  • Suherman C
  • Rachmadi M
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Abstract

ABSTRACTRelationship models of canopy nutrition, canopy morphology, bunch and yield components of oil palm on peat soil in Central KalimantanThe study was conducted in oil palm plantations with ten years old plant samples, located in Rungun Estate, Kotawaringin Barat, Central Kalimantan, Indonesia. The aim of this study was to determine several factors that affect the variables of canopy nutrition, canopy morphology, bunch and yield components in oil palm and also to determine the relationship between those variables. Observations were conducted on 40 oil palm plant samples at Histosols soil. Data were analyzed using Structural Equation Modeling (SEM) with the Smart PLS 3.0 software. The results showed that some factors of leaf Ca, rachis Ca, leaf B and leaf Cu affected canopy nutrition variable, number and length of leaflet affected the canopy morphology, while fruit set, stalk weight and stalk thickness for bunch component variable. The obtained relationship model was yield component affected by canopy nutrition through canopy morphology and bunch component.Keywords: Oil palm, Histosols soil, Relationship model, Plant componentABSTRAKPenelitian dilakukan di perkebunan kelapa sawit dengan tanaman berumur sepuluh tahun yang berlokasi di Rungun Estate, Kotawaringin Barat, Kalimantan Tengah, Indonesia. Tujuan penelitian adalah untuk memperoleh faktor-faktor yang memengaruhi variabel nutrisi tajuk, morfologi tajuk, komponen tandan, dan komponen hasil kelapa sawit serta memperoleh pola hubungan antar variabel tersebut pada tanah Histosols. Hasil penelitian ini digunakan sebagai dasar analisis faktor pembatas produksi sesuai dengan jenis tanahnya. Pengamatan dilakukan pada kelompok tanaman yang berjumlah 40 tanaman di tanah gambut (Histosols). Data dianalisis menggunakan model persamaan struktural (Structural Equation Model) dengan software Smart PLS 3.0. Faktor-faktor yang memengaruh variabel berupa Ca daun, Ca rachis, B daun, dan Cu daun (pada nutrisi tajuk), fruit set, tebal bonggol, dan lebar bonggol (komponen tandan), jumlah anak daun dan panjang anak daun (morfologi tajuk). Pola hubungan yang diperoleh adalah komponen hasil dipengaruhi nutrisi tajuk melalui morfologi tajuk dan komponen tandan.Kata Kunci: Kelapa sawit, Pola hubungan, Komponen tanaman

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APA

Almatholib, S. A., Suherman, C., & Rachmadi, M. (2017). Pola Hubungan Nutrisi Tajuk, Morfologi Tajuk, Komponen Tandan dan Komponen Hasil Kelapa Sawit pada Lahan Gambut di Kalimantan Tengah. Agrikultura, 28(1). https://doi.org/10.24198/agrikultura.v28i1.12291

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