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All Journal AGRIVITA, Journal of Agricultural Science BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan
Adi Jaya
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Education Energy Engineering Other

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Utilizing Organic Fertilizers on Two Types of Soil to Improve Growth and Yield of Bawang Dayak (Eleutherine americana Merr) Hastin Ernawati Nur Chusnul Chotimah; Adi Jaya; Hairu Suparto; Dewi Saraswati; Wardi Nawansyah
AGRIVITA, Journal of Agricultural Science Vol 43, No 1 (2021)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v43i1.1784

Abstract

Bawang dayak is a medicinal plant and can be grown as an economical crop with great potential value. Its contains secondary metabolites with biological activities that are important for human health. The main problem related with the production of bawang dayak is the standard of cultivation. The goal of the experiment was to study the effects of organic fertilizers and growing media on the growth and yield of bawang dayak. The polybag experiment was performed with two factors, namely soil type and organic fertilizer by Factorial Completely Randomized Design and located in the greenhouse of University of Palangka Raya. The treatments were chicken manure, oil palm empty-fruit-bunch compost (OPEFBC), and NASA granule as organic fertilizers, while Histosol and Ultisol served as growing media treatment. The results showed that OPEFBC gave the highest in Ultisol and chicken manure in Histosol to improve plant height. The highest number of tubers were developed in Ultisol. Chicken manure improved P and Fe bulbs tissue whereas the content of N and K bulbs grown in Ultisol was higher than those in Histosol. 
MEASUREMENT OF WATER RETENTION OF PEAT SOIL IN CANAL BLOCKING USING PRESSURE PLATE CHAMBER Lola Cassiophea; Jany Tri Raharjo; Salampak Dohong; Zafrullah Damanik; Berkat Pisi; Natalina Asi; Rinto Alexandro; Ruli Meiliawati; Gunarjo Suryanto Budi; Davit Purwodesrantau; Dermawati Sihite; Ambia Rio Suwanda; Adi Jaya; Antonio Jonay Jovani Sancho; Vontas Alfenny Nahan; Eka Nur Taufik; Lusia Widiastuti; Inga Torang; Yesser Priono; Petrisly Perkasa; Trissan, Whendy
BALANGA: Jurnal Pendidikan Teknologi dan Kejuruan Vol. 11 No. 2 (2023): Journal Balanga Edisi Juli-Desember 2023
Publisher : Jurusan Pendidikan Teknologi dan Kejuruan, FKIP, Universitas Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/balanga.v11i2.11719

Abstract

Measuring air retention in constructed canal blockage is critical for determining changes in air content after canal blocking. The purpose of this study is to assess the influence of changes in levels on air retention values measured at three depths, namely 0-20 cm, 20-40 cm, and 40-60 cm, at four transect sampling stations created at a distance of 10 m to 260 m from the canal block. Changes in bulk density, porosity, and peat volume affect groundwater. Peat soil samples were collected from burned peatlands, and canal blocks were constructed. A pressure plate chamber was used to assess air retention. The findings of the investigation revealed that the air retention pattern of peat soil at 16 test sample locations was at maximum at PF 0.2 at each depth. At higher pressures (pF 2-4.2), peat groundwater is strongly bonded by peat soil particles. The average bulk density of peat is 0.2 2 and the porosity value is 86.79%. The higher the air content at each pF value has no influence on the porosity and bulk density values. Changes in air content between pF 2.0 and 4.2 lower average peat volume by 7.4%. The size of this value is assumed to be determined by the peat's type, maturity, and decomposition value.
Co-Authors Ambia Rio Suwanda Antonio Jonay Jovani Sancho Berkat Pisi Davit Purwodesrantau Dermawati Sihite Dewi Saraswati Eka Nur Taufik Gunarjo Suryanto Budi Hastin Ernawati Nur Chusnul Chotimah Inga Torang Jany Tri Raharjo Lola Cassiophea Lusia Widiastuti Natalina Asi Perkasa, Petrisly Rinto Alexandro Ruli Meiliawati Salampak Dohong Trissan, Whendy Vontas Alfenny Nahan Wardi Nawansyah Yesser Priono Zafrullah Damanik