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All Journal Naturalis : Jurnal Penelitian Pengelolaan Sumberdaya Alam dan Lingkungan Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan TERRA : Journal of Land Restoration Akta Agrosia
Barchia, M. Faiz
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences

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Effects of Vermicompost on Soil Physical Properties, Organic Carbon Content, and the Growth, and Yield of Carrot (Daucus carota L.) on Inceptisols Amertha, Raisha Amanda April; Widiyono, Heru; Utami, Kartika; Barchia, M. Faiz
TERRA : Journal of Land Restoration Vol. 8 No. 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.2.57-64

Abstract

Carrot (Daucus carota L.) is a root vegetable cultivated year-round, particularly in subtropical and highland regions, serving as a vital source of vitamins and minerals. In Indonesia, favorable environmental conditions—such as temperature, rainfall, humidity, and soil type—support carrot cultivation. Among the dominant soil types, Inceptisols are widely distributed but often constrained by low organic carbon content and suboptimal physical properties. However, studies on the long-term effects of organic amendments, particularly vermicompost, on soil quality and crop performance in highland Inceptisols remain limited. This study evaluated the effects of long-term vermicompost application on selected soil physical properties, organic carbon content, and the growth and yield of carrot plants cultivated on Inceptisols. The experiment was conducted from November 2023 to February 2024 in Air Duku Village, Selupu Rejang Subdistrict, Rejang Lebong District, at an altitude of 1,054 meters above sea level. The site had received vermicompost applications for nine consecutive years. A randomized complete block design (RCBD) was employed, with five vermicompost doses (5, 10, 15, 20, and 25 tons ha⁻¹), each replicated three times, resulting in 15 experimental plots. Soil and plant analyses were performed at the Soil Science Laboratory, Faculty of Agriculture,University of Bengkulu.Application of 15 tons ha⁻¹ vermicompost significantly improved pF1 (37.89%), soil organic carbon content (4.15%), and root weight per plant (198.68 g). The 20 tons ha⁻¹ dose significantly increased soil permeability (6.17 cm h⁻¹) and total plant weight (36.17 kg plot⁻¹), while 25 tons ha⁻¹ enhanced water retention at pF2 (43.95%) and pF3 (39.63%). These findings demonstrate the potential of vermicompost to improve soil quality and carrot productivity in highland Inceptisols and support its integration into sustainable vegetable farming systems. Full text pdf
KARAKTERISTIK FISIOLOGI GALUR-GALUR PADI RAWA BENGKULU Sumardi; Sari, Ganisa Ardhiani; Barchia, M. Faiz
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 22 No 1 (2024): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v22i1.4414

Abstract

Rice is the main source of carbohydrates in Indonesia, rice production decreases every year due to land conversion from agricultural land to non-agricultural land. So it is necessary to utilize sub-optimal land, namely swamp land. In addition, physiological information is needed from 10 strains of swamp rice. This study aims to determine the physiological characteristics of 10 strains of local Bengkulu swamp rice crosses of the 11th generation. This study used a single-factor complete group randomized design consisting of 10 strains of local Bengkulu swamp rice treatments namely UBPR 1, UBPR 2, UBPR 3, UBPR 4, UBPR 6, UBPR 7, UBPR 8, UBPR 9, UBPR 10 and UBPR 11. Data analysis using analysis of variance at 5% level with further Scott Knott test. The research variables consisted of specific leaf weight, net assimilation rate, plant growth rate, relative growth rate, leaf area index, plant biomass, NPK nutrient uptake. The results of the research on 10 strains of local Bengkulu swamp ric crosses showed that the specific leaf weight in weeks 3 and 4, net assimilation rate in weeks 2 and 6, plant growth rate in weeks 3, 4 and 5, relative growth rate in week 3, leaf area index in weeks 5 and 6, plant biomass and N nutrient uptake showed mixed results. UBPR 4, UBPR 7, UBPR 9 and UBPR 11 had the best values compared to other UBPR.
Co-Authors Afrisa, Hendrio AGUS SUSATYA Amertha, Raisha Amanda April Atra Romeida Bieng Brata Clareza, Yessy Damres Uker Diputra, Opila Harta Dwi Wahyuni Ganefianti, Dwi Wahyuni Efendi, Zul Evi Dwi Wahyuni Heri Dwi Putranto Heru Widiyono, Heru Irma Badarina Ishak , Andi Marfi, Sasdar Marulak Simarmata Mohammad Chozin, Mohammad Mustopa Romdhon, Mustopa Padang, Agri Andi Saputra Reny Herawati Saputra, Eko Adi Sari, Ganisa Ardhiani Satria Putra Utama Simamora, Rosanti Sari Simanihuruk, Bilman W. Sumardi Suryanto Suryanto Tampubolon, Nadya Angelina Tuti Herawati Urip Santoso Utami, Kartika Yulian, Syahri Yurike Yurike Yurike, Yurike Zainal Muktamar