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All Journal JURNAL ILMU PERTANIAN Jurnal Rekayasa Hijau Jurnal Iman dan Spiritualitas
Al Haq, Muhammad Izzuddin
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Religion Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Social Sciences

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The Effect of a Combination of Fly Ash and Manure Pellets on the Amelioration of Latosol Subsoil and Its Impact on the Growth and Yield of Pakcoy (Brassica rapa L.) Al Hayah, Cauny Nur; Al Haq, Muhammad Izzuddin; Sari, Anis Widia; Agusta, Herdhata
AGRIUM: Jurnal Ilmu Pertanian Vol 28, No 2 (2025)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/agrium.v28i2.25055

Abstract

Fly ash, a solid byproduct of coal combustion, contains both macro- and micronutrients that can function as soil conditioners. This study explores the sustainable use of fly ash in agricultural applications, specifically its role in improving acidic soils. The objective is to evaluate the potential of fly ash based on its chemical properties and agronomic advantages. A quantitative experimental design was applied, incorporating three levels of fly ash and two levels of manure fertilizer combinations, each with four replications plus a control group, resulting in a total of 24 experimental plants. The study assessed various parameters, including pakcoy (Brassica rapa L.) morphological traits (plant height, leaf count, root length, fresh and dry biomass), chemical characteristics of leachates (Ca²⁺, Na⁺, pH, TDS, and EC), photosynthetic performance, and statistical analysis. The results indicated that the treatment (A₂B₂) comprising 35% fly ash, 45% chicken manure, and 20% soil produced the optimal outcomes across all parameters. This treatment led to the best pakcoy growth, characterized by the highest number of leaves, greatest fresh and dry weights, and the longest root development. These findings highlight that fly ash offers a sustainable and effective solution for soil amendment, enhancing agricultural productivity on pakcoy plant by improving soil quality while simultaneously contributing to industrial waste management.
The “Promised Land” Claim in the Legitimacy of the Israeli Occupation: Examining the Relevance of Max Weber's Theory of Authority Kalatini, Zaid Tsabit Al; Asep Abdul Sahid; Al Haq, Muhammad Izzuddin
Jurnal Iman dan Spiritualitas Vol. 5 No. 4 (2025): Jurnal Iman dan Spiritualitas
Publisher : UIN Sunan Gunung Djati Bandung

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Abstract

This study aims to examine the relevance of Weber's theory of authority in relation to the phenomenon of the Promised Land claim and its impact on the legitimacy of the Israeli occupation. The results and discussion in this study show that the Zionist political movement successfully utilised Jewish theological themes as the basis for the establishment of the state of Israel, in this case, the Promised Land claim becomes a doctrine that functions as a political aspiration and is believed to be rooted in divine and religious authority, revealing that Weberian tripartite classification of authority have limitations in explaining the form of legitimacy that comes from theological claims. The conclusion of this study is that the the Promised Land claim effectively functions as theological legitimacy in the Israeli occupation, offering a new form of authority distinct from Weberian tripartite classification of authority (traditional, charismatic, rational-legal).
Optimalisasi Penentuan Potensi Recharge Area melalui Integrasi Thornthwaite-Mather dan Google Earth Engine (Studi Kasus Turen dan Pujon Kabupaten Malang) Al Haq, Muhammad Izzuddin; Julianto, Baskoro Tri
Rekayasa Hijau : Jurnal Teknologi Ramah Lingkungan Vol 9, No 3 (2025)
Publisher : Institut Teknologi Nasional, Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26760/jrh.v9i3.12-21

Abstract

Perubahan iklim dan urbanisasi menjadi penyebab utama dalam penurunan kapasitas resapan air tanah yang merupakan tantangan krusial dalam pengelolaan sumber daya air berkelanjutan. Studi ini bertujuan untuk mengidentifikasi potensi recharge area melalui integrasi metode Thornthwaite-Mather dengan platform Google Earth Engine (GEE). GEE, sebagai platform komputasi cloud, memungkinkan pemrosesan data iklim dan spasial berskala besar secara efisien, sehingga sangat relevan untuk wilayah dengan keterbatasan data lapangan. Penelitian dilakukan di Kabupaten Malang, berfokus pada dua lokasi dengan perbedaan elevasi signifikan, yaitu Kecamatan Turen dan Pujon. Data yang digunakan meliputi curah hujan dan suhu dari tahun 2015–2019, serta parameter tanah dari OpenLandMap. Estimasi recharge dihitung berdasarkan neraca air bulanan dan analisis sifat fisik serta hidraulik tanah, seperti kapasitas lapang (FC) dan titik layu permanen (PWP). Hasil penelitian menunjukkan bahwa rata-rata recharge tahunan di Pujon mencapai 1417 mm, sedangkan di Turen hanya 756 mm. Komparasi antara Turen dan Pujon memperlihatkan variasi recharge tahunan yang signifikan, dipengaruhi oleh topografi dan tingkat urbanisasi di masing-masing kecamatan. Studi ini menegaskan bahwa integrasi metode hidrologi klasik dengan platform spasial berbasis cloud dapat meningkatkan akurasi estimasi recharge dan secara substantif mendukung upaya pengelolaan air tanah berkelanjutan.Kata kunci: recharge area, air tanah; google earth engine; kapasitas lapang; thornthwaite-Mathert
Co-Authors Al Hayah, Cauny Nur Asep Abdul Sahid Herdhata Agusta Julianto, Baskoro Tri Kalatini, Zaid Tsabit Al Sari, Anis Widia