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All Journal Jurnal Pembangunan dan Alam Lestari Jurnal Agroekoteknologi
Mochamad Thohiron
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Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management

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APLIKASI SIG DALAM PENILAIAN STATUS KERUSAKAN TANAH UNTUK PRODUKSI BIOMASSA DI KABUPATEN TUBAN, JAWA TIMUR Heru Prasetyo; Mochamad Thohiron
Indonesian Journal of Environment and Sustainable Development Vol 4, No 1 (2013)
Publisher : Graduate Program

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (862.44 KB)

Abstract

Tanah merupakan sumberdaya alam yang tidak terbarukan, pemanfaatannya harus melibatkan upaya pengendalian kerusakan tanah agar kelestariannya dapat terjaga. Penelitian ini dilakukan untuk mengevaluasi kualitas tanah (status kerusakan tanah) secara spasial di Kabupaten Tuban. Pengambilan sampel tanah dan analisis laboratorium selama September – Oktober 2012, meliputi variable jenis tanah, curah hujan, kemiringan lereng, dan penggunaan lahan.  Penilaian status kerusakan tanah dilakukan dengan metode tumpang susun hasil skoring keempat variable tersebut. Metode ini mengacu pada Peraturan Pemerintah No 150 tahun 2000 dan Peraturan menteri lingkungan hidup No.7 tahun 2006. Hasil penelitian menunjukkan bahwa area penelitian dapat dikelompokkan menjadi empat kelas potensi kerusakan, yaitu tinggi, sedang, ringan, dan sangat ringan; berturut-turut 4.4 %; 38%; 56.3%; dan1.3%. Tanah-tanah yang tergolong rusak ringan mempunyai faktor pembatas: daya pelulusan air, berat isi tanah, potensial redoks, kedalaman solum, batu-batu di permukaan, dan porositas tanah. Kata kunci: degradasi tanah,  spasial, SIG.
Effect of Guano and Liquid Organic Azolla pinnata Fertilization on the Growth of Pakcoy (Brassica rapa L.) Indarwati Indarwati; Mochamad Thohiron; Sukian Wilujeng; Medita Johana Pakula Bafiqi; Rochmad Zulfikar
Jurnal Agroekoteknologi Vol 18, No 1 (2026)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/jur.agroekotetek.v18i1.37777

Abstract

This study aimed to evaluate the effects of varying doses of Guano fertilizer and concentrations of liquid organic fertilizer (LOF) derived from Azolla pinnata on the growth and yield of pakcoy (Brassica rapa L.). The experiment was conducted using a Randomized Complete Block Design (RCBD) with two factors and three replications. The first factor was the Guano fertilizer dose, consisting of four levels: 0 g (A0), 20 g (A1), 40 g (A2), and 60 g (A3). The second factor was the concentration of Azolla pinnata LOF, also with four levels: 0 ml/L (B0), 15 ml/L (B1), 30 ml/L (B2), and 45 ml/L (B3). Observed parameters included plant height, number of leaves, root length, fresh weight, and dry weight. Treatment with 60 g Guano (A3) had the most positive effect on several growth indicators, such as plant height and leaf number. Meanwhile, the 30 ml/L concentration of Azolla LOF (B2) also contributed significantly to growth parameters. The combination of 60 g Guano and 30 ml/L Azolla pinnata LOF (A3B2) proved to be the most effective in enhancing pakcoy growth, producing the highest fresh weight of 190 g per plant. Keywords: Plant Growth, Pakcoy, Guano Fertilizer, Liquid Organic Fertilizer
Co-Authors Heru Prasetyo Indarwati Indarwati Medita Johana Pakula Bafiqi Rochmad Zulfikar Sukian Wilujeng