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Rusdi Evizal
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Jurusan Agronomi dan Hortikultura, Gedung C Fakultas Pertanian, Universitas Lampung. Jln. Sumantri Brojonegoro No 1 Gedung Meneng, Bandar Lampung 35145, Indonesia
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INDONESIA
Jurnal Agrotropika
Published by Universitas Lampung
ISSN : 02167662     EISSN : 27457737     DOI : 10.23960
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Scientific article dealing with broad aspects of tropical agronomy including crop production, horticulture, plant pests and diseases, post-harvest, sustainable agriculture, soil science, climatology, ecology, biodiversity, and ethno-agronomy.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 252 Documents
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PENGARUH APLIKASI PUPUK ORGANIK CAIR (POC) KOTORAN KAMBING DAN SAPI TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq.) DI PEMBIBITAN UTAMA Usodri, Kresna Shifa; Utoyo, Bambang; Riniarti, Dewi; Widiyani, Dimas Prakoswo; Sari, Resti Puspa Kartika; Guna, M. Mulya Adi
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11499

Abstract

This study investigates the efficacy of liquid organic fertilizers (POC) derived from goat and cow manure as environmentally friendly alternatives for enhancing oil palm seedling growth. Conducted at the Oil Palm Nursery Unit of Politeknik Negeri Lampung (January–June 2024), the experiment employed a factorial randomized block design. Two factors were tested: POC from goat manure (0, 100, and 200 ml per seedling) and POC from cow manure (same levels). Growth parameters observed included seedling height, stem diameter, leaf count, leaf chlorophyll content, and leaflet area. Data were analyzed using ANOVA at a 5% significance level, followed by Least Significant Difference tests for mean comparison where applicable. Results show that goat manure POC at 200 ml per seedling significantly improved seedling height, leaf count, and chlorophyll content, while cow manure POC at the same dose enhanced height, stem diameter, and leaf number most effectively. No significant interaction effect between goat and cow manure treatments on any growth parameter was observed. These findings suggest that both goat and cow manure-derived liquid organic fertilizers, applied at 200 ml per seedling biweekly, can optimally support early growth of oil palm seedlings. However, their combined application did not yield synergistic benefits. The use of these organic fertilizers offers a sustainable alternative to conventional synthetic fertilizers and may contribute to improved nursery management practices in oil palm cultivation.
KERAGAMAN KARAKTER KUANTITATIF PADA TIGA GALUR HARAPAN MENTIMUN (Cucumis sativus L.) DI DATARAN MENENGAH Mardiana, Yushi; Ervan Parayan
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11647

Abstract

Breeding lines in crop improvement represent selected genotypes with potential to be developed into superior cultivars. This study aimed to evaluate the genetic variability, adaptability, and yield stability of promising cucumber lines under mid-altitude conditions. The experiment was conducted from December 2024 to February 2025 at the PT. Aditya Sentana Agro experimental farm, Girimoyo Village, Malang, East Java, at an altitude of 525 m above sea level. A randomized complete block design (RCBD) was applied with three cucumber breeding lines and four commercial check varieties, namely New Oris F1, Renata F1, Madavi F1, and Zatavy F1. Each treatment was replicated four times with six plants per plot. Data were analyzed using ANOVA, followed by Duncan’s Multiple Range Test (DMRT) at the 5% significance level when significant differences were detected. The results revealed significant variation in several traits, including days to flowering, fruit length, fruit weight per plant, and yield, while no significant variation was observed in harvesting time, fruit diameter, fruit weight per fruit, and number of fruits per plant. The earliest flowering was observed in Line C (26.25 DAS), although it was later than the check variety Madavi (25.26 DAS). The longest fruit length was obtained from Line A (23.05 cm), surpassing both other lines and check varieties. Line A also produced the highest fruit weight per plant (1354.42 g), yet it remained lower than Zatavy (1421.92 g). Similarly, the highest yield was recorded in Line A (31.31 t ha⁻¹), although still below Zatavy (32.87 t ha⁻¹).  

Page 26 of 26 | Total Record : 252

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