DYNAMICS OF ZINC (Zn) MICRONUTRIENT CONTENT IN THE SOIL OF RUBBER (Hevea brasiliensis) PLANTATIONS AT PT DARSUM ESTATE AND SMALLHOLDER PLANTATIONS, LANGKAT REGENCY

Authors

DOI:

https://doi.org/10.58432/29a68009

Keywords:

zinc (Zn), micronutrient, rubber plantation soil, Hevea brasiliensis, soil fertility

Abstract

This study aimed to determine the zinc (Zn) micronutrient content in rubber plantation soil (Hevea brasiliensis) at a depth of 0–20 cm, comparing a privately managed plantation and a smallholder plantation. The research was conducted at PT Darsum Plantation, Padang Tualang District, Langkat Regency, and at a smallholder rubber plantation, using a Non-Factorial Randomized Block Design with ten replications per location. Soil samples were destructed and analyzed using Atomic Absorption Spectrophotometry (AAS). The results showed that Zn content in the private plantation (K1) reached 82.63 mg/kg, while the smallholder plantation (K2) reached 18.10 mg/kg; analysis of variance indicated a highly significant difference between locations (F-count 689.57 > F-table 0.01). Both locations fell into the very high nutrient status category, indicating that Zn availability remains sufficient to support optimal rubber growth, although the higher value in K1 points to more intensive fertilization, organic matter management, and stimulant (ethephon) application.

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Published

26-09-2026

Issue

Vol. 6 No. 3 (2026): Algebra : Jurnal Pendidikan Sosial dan Sains

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Articles

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Copyright (c) 2026 Pazilla Olepia, Irwan Agusnu Putra, Ahmad Nadhira (Author)

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This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Olepia, P., Putra, I. A., & Nadhira, A. (2026). DYNAMICS OF ZINC (Zn) MICRONUTRIENT CONTENT IN THE SOIL OF RUBBER (Hevea brasiliensis) PLANTATIONS AT PT DARSUM ESTATE AND SMALLHOLDER PLANTATIONS, LANGKAT REGENCY. Algebra : Jurnal Pendidikan, Sosial Dan Sains, 6(3), 477-481. https://doi.org/10.58432/29a68009

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