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All Journal Sebatik Jurnal Engineering atech-i
Ekawaty, Reni
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Engineering

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PERBANDINGAN KAPASITAS PENYIMPANAN AIR PADA MEDIA TANAM ARANG SEKAM, SERBUK KAYU DAN SABUT KELAPA yanti, Nurhadyanti; Ekawaty, Reni
Atech-i Vol. 2 No. 2 (2025): Tahun 2025
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/atech-i.v2i2.36

Abstract

Media tanam adalah media yang digunakan untuk menumbuhkan tanaman, tempat akar, atau batang, akar akan tumbuh dan kembang. Dengan pengamatan kapasitas penyimpanan (KS), kadar air, dan porositas dapat dilihat perbedaan penyimpanan air setiap media tanam arang sekam, serbuk kayu sabut kelapa. Pada kapasitas penyimpanan media tanam yang banyak mengandung air terdapat pada media tanam sabut kelapa yaitu 75,81% sementara serbuk kayu 48,85% dan yang paling rendah yaitu arang sekam 31,76%. Pada kadar air media tanam sabut kelapa juga banyak mengandung air dari pada arang sekam itu karena sabut kelapa juga banyak mengandung air dari pada arang sekam itu karena sabut kelapa memiliki pori-pori untuk menyimpan air, sedangkan arang sekam memiliki pori yang padat sehingga air tidak menyerap pada media tanam. Pada porositas nilai arang sekam yang tertinggi itu karena arang sekam menghasilkan patrikel dengan ukuran yang kecil, dengan tidak berserat yang memaksimalkan ruang antar partkel sedangkan serbuk kayu dan sabut kelapa memiliki partikel yang variatif dan berserat.
Analysis of Irrigation Water Quality in Batang Lampasi Yuni, Nola Rahma; Ekawaty, Reni
Sebatik Vol. 29 No. 2 (2025): December 2025
Publisher : STMIK Widya Cipta Dharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46984/sebatik.v29i2.2726

Abstract

Irrigation water quality plays a key role in determining soil conditions and crop productivity. This study assessed the irrigation water quality of the Batang Lampasi Irrigation Area by analyzing a composite sample and comparing the results with FAO quality standards. Laboratory analyses included physical parameters—electrical conductivity (EC), turbidity, temperature, and odor—and chemical parameters such as pH, salinity, total Fe, total Ca, total Mg, and Sodium Adsorption Ratio (SAR). The results indicated that all measured parameters, including EC (132 µS/cm), turbidity (6.78 FTU), pH (6.44), salinity (34.32 ppm), Fe (0.904 mg/L), Ca (1.891 mg/L), Mg (1.795 mg/L), and SAR (0.467 meq/L), fall within acceptable limits set by FAO. These findings confirm that Batang Lampasi irrigation water is suitable for agricultural applications and underline the need for consistent monitoring and the development of national irrigation water quality standards.
Analisis Daya Dukung Sumber Daya Lahan dan Air di Sarilamak, Kabupaten Lima Puluh Kota: Analysis of Land and Water Resource Carrying Capacity in Sarilamak, Lima Puluh Kota District Fitrada, Wathri; Rahmania, Syiffa; Ekawaty, Reni; Harmailis
Jurnal Engineering Vol. 8 No. 1 (2026): Volume 8, Nomor 1, 2026
Publisher : Universitas Jambi

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Abstract

Environmental carrying capacity is a vital indicator in spatial planning and food and water security. The objective of this study was to assess the status of land carrying capacity (LCC) and water carrying capacity (WCC) in Nagari Sarilamak, Harau District, Lima Puluh Kota Regency. The analysis is based on PermenLH No. 17/2009. It used a quantitative descriptive approach. This approach was based on secondary data and QGIS spatial analysis. The analysis was used to calculate the weighted runoff coefficient of land cover. Field validation was conducted to confirm the actual conditions. The results are clear: land carrying capacity has a surplus. This means that the availability of rice fields exceeds the population's rice consumption needs. Water carrying capacity, however, was found to be in deficit, despite relatively high annual rainfall. This was attributed to an uneven spatial and temporal distribution of water, as well as increased runoff due to changes in land cover. This imbalance requires integrated management through conservation of catchment areas, rainwater harvesting, and control of land use change. This study makes clear methodological and practical contributions to spatial planning based on environmental carrying capacity at the village level.
Co-Authors Harmailis Rahmania, Syiffa Wathri Fitrada yanti, Nurhadyanti Yuni, Nola Rahma