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All Journal Journal of Tropical Soils Journal of Degraded and Mining Lands Management Jurnal Keteknikan Pertanian Tropis dan Biosistem Jurnal Solum Jurnal Abdi Insani Jurnal Abdi Masyarakat Indonesia Andalasian International Journal of Applied Science, Engineering, and Technology Agrifarm Jurnal Riset Perkebunan (JRP) PERTANIAN TROPIK
Zuldadan Naspendra
Department Of Soil Science, Faculty Of Agriculture, Andalas University,Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Public Health

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Texture and Chemical Properties of Two Depth Soils in a Toposequence of Anak Krakatau Before December 2018 Eruption Setiawati, Astriana Rahmi; Lumbanraja, Jamalam; Nurul Aini, Septi; Dermiyati, Dermiyati; Buchari, Henrie; Naspendra, Zuldadan
JOURNAL OF TROPICAL SOILS Vol. 25 No. 2: May 2020
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2020.v25i2.71-81

Abstract

Anak Krakatau volcano is one of the famous volcanic mountains located in the sea to the south part of the Province of Lampung, Indonesia. The volcano was derived from the active Krakatau caldera that first appeared on the surface in 1930 or 47 years after the eruption of Krakatau in 1883. The materials produced by the Anak Krakatau eruption were very interesting related to soil forming materials, especially their physical and chemical properties. The objectives of this study were to present information about the texture and chemical properties of soil from Anak Krakatau Mountain taken at the southeast slope before the December 2018 eruption at two different depths. This study was conducted in March to September 2019 which consisted of two parts: (1) soil survey in the field and (2) soil analysis in the laboratory. Soil samples were taken from a toposequence at seven points with an interval about 15m above sea level (asl) on the southeast slope (approaching northeast) of the Anak Krakatau in July 2018 at the depth of 0-20 cm and 20-40 cm. The soil texture of Anak Krakatau mountain before eruption in December 2018 was sandy with the percentage of sand 98.82 - 99.59%; silt 0 - 0.59%; and clay 0.41 - 0.74%. The soil chemical properties of Anak Krakatau mountain were soil pH (H2O) 4.95 – 6.27; soil pH (KCl) 4.75 – 5.89; Cation Exchange Capacity 0.41 – 2.02 cmol(+) kg-1; Base Saturation 117.24 – 514.63%; CaO 2.63 – 6.34%; MgO 3.06 – 6.13%; K2O 0.019 – 0.034%; Na2O 0.035 – 0.080%; P-retention 82.10 – 84.74%; and organic carbon 0.06 – 0.72%. The SEM-EDX analysis showed that the amounts of Mg and Na were more than 1% and there were several trace elements present in Anak Krakatau soil, namely Sb (Stibium), Nb (Niobium), Y (Yttrium), F (Flour), Co (Cobalt), and Ba (Barium).
Pengembangan Produk Berbasis Limbah Kulit Kakao melalui Pelatihan Partisipatif sebagai Strategi Pemberdayaan Kelompok Tani Inovasi, Nagari Sungai Talang, Sumatera Barat Yanti, Yulmira; Suhendra, Dede; Dwipa, Indra; Hamid, Hasmiandy; Fiana, Risa Meutia; Naspendra, Zuldadan; Raffi, Lucky Fhigo
Jurnal Abdi Masyarakat Indonesia Vol 5 No 5 (2025): JAMSI - September 2025
Publisher : CV Firmos

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54082/jamsi.2091

Abstract

Nagari Sungai Talang memiliki komoditas unggulan berupa kakao yang dibudidayakan Kelompok Tani Inovasi, dengan luas lahan rata-rata 0,5–1 hektar. Kakao menghasilkan limbah kulit kakao sekitar 100 kg per hari. Namun, limbah tersebut belum dimanfaatkan optimal, sehingga menumpuk dan pencemaran lingkungan. Menanggapi permasalahan tersebut, tim pengabdian masyarakat melaksanakan pelatihan pemanfaatan limbah kulit kakao menjadi produk bernilai, pada bulan Agustus hingga September 2024. Pengabdian bertujuan memberikan pemahaman kepada masayarat mengenai pemanfaatan konsorsium PGPB untuk mempercepat proses fermentasi pupuk organik dan pakan ternak, meningkatkan pendapatan petani dari hasil pupuk organik kulit buah kakao, dan mengurangi penggunaan pupuk kimia dan pakan ternak untuk mendukung pertanian ramah lingkungan yang berkelanjutan. Kegiatan ini diikuti oleh 35 orang peserta dari Kelompok Tani Inovasi. Metode pelatihan meliputi penyampaian materi, diskusi interaktif, dan demonstrasi langsung. Pelatihan menghasilkan peningkatan kemampuan dan pemahaman petani dalam mengolah limbah kulit kakao menjadi produk seperti pupuk organik padat, pupuk organik cair, dan pakan fermentasi. Hasil evaluasi menunjukkan bahwa 80% peserta memahami dan mampu mengolah limbah secara mandiri. Masyarakat menunjukkan komitmen untuk melanjutkan pengembangan produk berkelanjutan. Kegiatan ini menjadi langkah awal dalam menciptakan sinergi antara masyarakat, pemerintah, dan dunia usaha dalam pemberdayaan petani serta pengelolaan limbah pertanian berbasis sumber daya lokal.
The Changes of Peat Chemical Characteristics which is Converted from Oil Palm to Corn Plantation Areas In Kinali, West Pasaman Regency, West Sumatra Harianti, Mimien; Prasetyo, Teguh Budi; Junaidi, Junaidi; Naspendra, Zuldadan; Batara, Dewi Syaputri
Andalasian International Journal of Applied Science, Engineering and Technology Vol. 2 No. 2 (2022): July 2022
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/aijaset.v2i2.34

Abstract

The decline in production prices and land ownership shifts have caused people to choose to convert oil palm plantations into corn plantations. Changes in land cover from plantation crops to annual crops is potentially to reduce the chemical properties of peat. This study aims to identify changes in the chemical properties of peat on land for conversion of oil palm to corn plantations. This research was carried out from May to September 2021. Observations and peat sampling were carried out using the Transect method, perpendicular from the drainage channel based on a distance of 2m, 200m, and 400m from the main canal in maize conversion age < 2 years, (3) maize planting aged conversion 2 years. For each land use, 3 sample points were taken with 2 replications at a depth of 0-20 cm and 20-40 cm. The chemical properties of peatlands that have been converted from oil palm plantations to corn plantations include pH 4.18-4.98, water content 163.76-495.81%, ash content 15.5-72.12%, C-Organic 16.18-49.02%, N-Total 1.25-6.92%, P-Total 5.56-255.87 ppm, P-Available 0.63-157.43 ppm, K-dd 0, 38-1.98 me/100g, Na-dd 3.97-13.84 me/100g, Ca-dd 12.26-23.12 me/100g, Mg-dd 14.66-50.84 me/100g , CEC 63.30-498.16 me/100g, total acidity 570-600 cmol/kg-1. After land conversion, the quality of peatlands increased, especially at the age of conversion <2 years and decreased with increasing age of land conversion.
Co-Authors Asmuti, Ayendra Astriana Rahmi Setiawati Awalina, Rahmi Batara, Dewi Syaputri Budi Prasetyo, Teguh Dermiyati Dermiyati Dermiyati, Dermiyati Harianti, Mimien Hasmiandy Hamid Henrie Buchari Henrie Buchari, Henrie Hermansah Hermansah, Hermansah Hervani, Dini Hijri, Nurul Indra Dwipa Islami, Syaifuddin Jamalam Lumbanraja Jamalam Lumbanraja Junaidi Junaidi Lukito, Chandra Mimien Harianti MUHSANATI, MUHSANATI Nika Rahma Yanti Nurul Aini, Septi Obel, Obel Pahlevi, Ilhan Pasha, Fadhil Kemal Rachmad Hersi Martinsyah Raffi, Lucky Fhigo Ramadhan, Nugraha Risa Meutia Fiana Ronaldi, Ronaldi Sari, Afrima Septi Nurul Aini Setiawati, Astriana Rahmi Suhendra, Dede Teguh Budi Prasetyo Utama, Syahrul Yulmira Yanti