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INDONESIA
Planta Tropika
Published by Universitas Muhammadiyah Yogyakarta
ISSN : 0216499X     EISSN : 25287079     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
PLANTA TROPIKA : Jurnal Agrosains (Journal of Agro Science) provides a forum for researchers on applied agricultural science to publish the original articles. PLANTA TROPIKA published two times a year (February and August) by Universitas Muhammadiyah Yogyakarta in collaboration with Indonesian Association of Agrotechnology / Agroecotechnology (PAGI). Planta Tropika focuses related to various themes, topics and aspects including (but not limited) to the following topics Agro-Biotechnology, Plant Breeding, Agriculture Waste Management, Plant Protection, Soil Science, Post Harvest Science and Technology, Horticulture.
Arjuna Subject : -
Articles 473 Documents
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Front Matter Planta Tropika Vol. 14 No.1 tropika, Planta
PLANTA TROPIKA Vol. 14 No. 1 (2026)
Publisher : Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta

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Abstract

Back Matter Planta Tropika Vol. 14 No. 1 tropika, Planta
PLANTA TROPIKA Vol. 14 No. 1 (2026)
Publisher : Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta

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Abstract

Sheep Urine Liquid Organic Fertilizer Improved Oil Palm Seedling Growth Sitinjak, Rama Riana; Pratomo, Bayu
PLANTA TROPIKA Vol. 14 No. 2 (2026)
Publisher : Department of Agrotechnology, Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/pt.v14i2.27948

Abstract

Sheep urine-based liquid organic fertilizer (LOF) offers a low-cost alternative to synthetic fertilizers in oil palm nurseries, yet its application remains limited. Liquid organic fertilizer derived from sheep urine is very effective in increasing seedling growth in the pre-nursery. This study aims to determine the implementation of Liquid organic fertilizer (LOF) sheep urine on the growth of oil palm seedlings in the pre-nursery. A randomized block design was used with four LOF concentrations: N0 = 0 mL/L, N1 = 50 mL/L, N2 = 150 mL/L, and N3 = 300 mL/L. Data were analyzed using analysis of variance, followed by Tukey’s test at the 5% significance level. The results showed that giving LOF from sheep urine could significantly increase the growth of oil palm seedlings, which included seedlings height, stem diameter, number of leaves, fresh weight and canopy dry weight but not for fresh weight and root dry weight of seedlings pre-nursery. The best growth of oil palm seedlings was observed with the application of a liquid organic fertilizer made from sheep urine at a concentration of 300 ml/L at 12 weeks after planting.

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