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All Journal MEDIA KOMUNIKASI TEKNIK SIPIL Jurnal Ilmiah Ilmu Terapan Universitas Jambi
Kamarudin, Mohd Khairul Amri
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Civil Engineering, Building, Construction & Architecture Education Engineering Industrial & Manufacturing Engineering

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THE EFFECT OF PROVIDING GOAT MANURE AND ADDITIN WATER WITH THE PARTIAL ROOT ZONE (PRD) METHOD IN INCREASING THE GROWTH AND PRODUCTION OF TOMATO PLANTS (LYCOPERSICUM ESCULENTUM MILL) USING A DIGITAL SOIL MOISTURE METER IN NORTH SUMATERA Idris, M.; Selvia, Irda Nila; Ong, Russell; Armansyah, Armansyah; Kamarudin, Mohd Khairul Amri
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 2 (2025): Volume 9, Nomor 2, June 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i2.41934

Abstract

This study aims to investigate the effectiveness of the Partial Rootzone Drying (PRD) irrigation method, the application of goat manure as organic fertilizer, and the interaction of both treatments on the growth and yield of tomato plants (Lycopersicum esculentum Mill) in North Sumatra. The research responds to the urgent need for sustainable agricultural practices that conserve water and enhance soil fertility, especially in tropical regions facing irregular rainfall and declining soil quality. A field experiment was conducted using a factorial randomized block design to test various levels of goat manure combined with the PRD technique. Observations focused on vegetative growth parameters (plant height, number of leaves, dry weight, chlorophyll content, Relative Growth Rate), nutrient uptake (N, P, and K), and production indicators (fruit number and sugar content). Data were analyzed statistically to determine the significance and interaction effects of treatments. The results show that goat manure significantly improves vegetative growth and fruit production, with higher doses correlating positively to increases in biomass and nutrient uptake. The PRD method led to a 25% reduction in water use without compromising plant productivity. Importantly, the combination of PRD and organic manure application produced synergistic effects, enhancing both growth and yield while optimizing water and nutrient efficiency. This study introduces a novel integrated approach to tomato cultivation that combines precision irrigation (PRD) and organic soil enrichment, offering a replicable model for sustainable, water-efficient horticulture in resource-constrained agricultural regions.
Perilaku Mekanis Tanah Lunak yang Distabilisasi dengan Kapur dan Abu Vulkanik Sianturi, Novdin Manoktong; Kamarudin, Mohd Khairul Amri; Damanik, Dermina Roni Santika; Purba, Virgo Erlando; Saragih, Deardo Samuel
MEDIA KOMUNIKASI TEKNIK SIPIL Volume 28, Nomor 1 (2022)
Publisher : Department of Civil Engineering, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (957.976 KB) | DOI: 10.14710/mkts.v28i1.41963

Abstract

Sifat lempung lunak dapat dilihat dari nilai kuat tekan bebas melalui pegujian unconfined compressive strength (UCS). Tanah lunak kurang baik digunakan sebagai tanah dasar konstruksi. Tujuan penelitian ini adalah untuk mengetahui peningkatan kuat tekan bebas dan daya dukung pondasi akibat penambahan kapur maupun abu vulkanik pada tanah lunak. Tanah lunak memiliki kuat geser undrained < 25 kPa berdasarkan uji kuat tekan bebas. Uji kuat tekan bebas dilakukan pada tanah dengan penambahan kapur maupun abu vulkanik masing-masing 3-12% terhadap berat tanah kering. Nilai kuat tekan bebas tertinggi didapatkan pada tanah dengan 6% kapur dan 9% abu vulkanik. Daya dukung pondasi pada tanah yang distabilisasi dengan 6% kapur meningkat 13,7 kali, sedangkan daya dukung pondasi pada tanah dengan penambahan 9% abu vulkanik meningkatkan daya dukung ultimit sebesar 8,7 kali daya dukung pondasi pada tanah lunak. Daya dukung pondasi pada tanah yang distabilisasi kapur lebih tinggi dari daya dukung pondasi pada tanah yang distabilisasi abu vulkanik.
Co-Authors Armansyah Armansyah Damanik, Dermina Roni Santika Hussin, Durra Akassha Irda Nila Selvia M. Idris Ong, Russell Purba, Virgo Erlando Samah, Mohd Armi Abu Saragih, Deardo Samuel Suhaimi, Afiza Abdullah