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All Journal Agrikultura Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Solum TERRA : Journal of Land Restoration International Journal of Agricultural Sciences Prosiding Seminar Nasional Biologi, Teknologi dan Kependidikan (Biotik) Andalas Journal of Electrical and Electronic Engineering Technology PELS (Procedia of Engineering and Life Science) Journal Arunasita
Azwar Rasyidin
Faculty Of Agriculture, University Of Andalas, Padang, West Sumatra, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience Nursing Public Health Social Sciences Other

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Kajian Sifat Fisika Tanah pada Beberapa Umur Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) Rakyat di Nagari Ladang Panjang Kabupaten Pasaman, Sumatera Barat Ulfa, Nadilla; Yulnafatmawita, Yulnafatmawita; Rasyidin, Azwar
Agrikultura Vol 35, No 2 (2024): Agustus, 2024
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v35i2.55692

Abstract

Kondisi fisik suatu lahan merupakan faktor penting dalam budidaya tanaman. Di sisi lain pertumbuhan tanaman dapat mempengaruhi sifat fisik tanah karena perbedaan jenis dan umur tanaman. Penelitian ini bertujuan untuk mengetahui sifat fisik tanah pada perkebunan kelapa sawit rakyat pada berbagai umur tanaman. Penelitian ini dilaksanakan pada bulan Desember 2022 sampai dengan Mei 2023 di Nagari Ladang Panjang Kabupaten Pasaman dan di Laboratorium Departemen Ilmu Tanah dan Sumber Daya Lahan, Fakultas Pertanian, Universitas Andalas. Penelitian ini menggunakan metode survei, pengambilan sampel tanah dilakukan secara purposive sampling berdasarkan kelompok umur (10, 15, 20 dan 25 tahun) tanaman kelapa sawit. Parameter yang dianalisis adalah tekstur tanah, berat volume tanah, total ruang pori, permeabilitas, stabilitas agregat tanah, dan bahan organik tanah. Hasil penelitian menunjukkan bahwa tekstur tanah di daerah penelitian didominasi oleh tanah liat. Kandungan bahan organik tanah meningkat dari sangat rendah menjadi sedang, kestabilan agregat dari tidak stabil menjadi stabil, permeabilitas dari cukup rendah menjadi cukup cepat seiring dengan bertambahnya umur tanaman. Nilai berat volume tanah dan total ruang pori tanah tergolong sedang untuk semua umur tanaman. Dapat disimpulkan bahwa bertambahnya umur tanaman kelapa sawit dapat memperbaiki sifat fisik tanah.
Karbon Organik Tanah Pada Beberapa Penggunaan Lahan Di Kelurahan Limau Manis Kota Padang Anika, Elsi; Rasyidin, Azwar; Junaidi, Junaidi
Journal Arunasita Vol. 1 No. 1 (2024): Pangan dan Tantangan dalam Era Digital
Publisher : WBS Laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15315264

Abstract

Karbon adalah unsur paling penting dalam ekosistem, karena hampir semua bentuk kehidupan di Bumi bergantung karbon. Ketersediaan karbon organik tanah dipengaruhi oleh pengelolaan lahan, termasuk pengolahan intensif, perubahan hutan menjadi pertanian, dan praktik yang tidak mengembalikan sisa panen.Tujuan dari penelitian ini adalah untuk mengetahui jumlah kandungan karbon organik tanah pada beberapa penggunaan lahan yang ada di Kelurahan Limau Manis, Kecamatan Pauh Kota Padang. Metode yang digunakan adalah metode survei dengan teknik purposive random sampling. Sampel tanah di ambil berdasarkan horizon tanah. Parameter yang dianalisis yaitu Tekstur Tanah, C-Organik, Berat Volume, Total Ruang Pori, Respirasi Tanah, C-Biomassa, Konsentrasi karbon organik tanah ditentukan dengan metode Walkley dan Black. Kandungan karbon organik tanah di hitung dari % C-organik, berat volume tanah dan kedalaman tanah. Hasil Penelitian ini menunjukan jumlah kandungan karbon jumlah kandungan karbon organik pada penggunaan lahan hutan,sawit,tegalan dan sawah lapisan top soil atau horizon A dengan kedalaman 0-20 cm, masing–masing yaitu 6,63 kg/m², 3,73 kg/m², 3,68 kg/m² dan 2,41 kg/m². Sedangkan pada penggunaan lahan hutan,sawit,tegalan dan sawah lapisan sub soil atau horizon B dengan kedalaman 20-40 cm, masing–masing yaitu 4,79 kg/m², 2,21 kg/m², 2,81 kg/m² dan 2,29 kg/m2. Jumlah kandungan karbon tertinggi terdapat pada lahan hutan dimana penyerapan CO2 di tumbuhan selain itu juga dikarenakan banyak serasah dari lahan hutan dijadikan bahan untuk penambahan bahan organik pada tanah.
Study Of Chemical Properties Of Soil On Gambir (Uncarıa Gambir Roxb) Land Based On Slope İn Nagari Siguntur, Koto XI Tarusan district, Pesisir Selatan regency, Indonesia Kenti, Helda; Rasyidin, Azwar; Gusnidar, Gusnidar
Journal Arunasita Vol. 2 No. 1 (2025): Soil Health and Soil Management
Publisher : WBS Laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15315389

Abstract

Gambier plants (Uncaria gambir.Roxb) are the main plantation commodity in West Sumatra. However, cultivating gambier on steep slopes can cause changes in soil chemical properties. This research aims to examine the chemical properties of soil on gambier land based on slope class in Nagari Siguntur. This research was carried out from June to December 2022. The method used was a survey method with the Purposive Random Sampling technique. Soil samples taken were soil samples on 3 slopes and forest as a control (45%) at a depth of 0-30 cm with 3 replications. The analysis results show the soil pH value is between 3.98–4.47 with very acid criteria. Soil C-Organic content is between 0.86%-1.76% with very low to low criteria. The N-Total content is between 0.26%-0.32% with medium criteria. The P-Available content is between 2.15 ppm-13.54 ppm with very low to low criteria. CEC with a value of 14.39-17.02 cmol/kg with low to moderate criteria. And the exchangeable cations in gambier land are classified as very low criteria.
Characteristics of Agricultural Land in the Floodplain Area of the Tarusan Watershed, Pesisir Selatan, West Sumatra Sandi, Nofrita; Gusmini; Yasin, Syafrimen; Herviyanti; Prasetio, Teguh Budi; Rasyidin, Azwar; Nasution, Nur Fadillah
TERRA : Journal of Land Restoration Vol. 8 No. 1 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.1.1-9

Abstract

The numerous rivers and high rainfall in West Sumatra often lead to flooding, which affects several land uses such as settlements, plantations, and agriculture. During floods, water transports various materials from upstream to downstream, such as sand, mud, and clay, which are deposited in certain riverbanks. This study aimed to examine the soil fertility characteristics in the floodplain area. The method used in this research was a survey method with purposive random sampling at two soil depths: 0 – 30 cm and 30 – 60 cm. Samples were taken from two land uses: dryland agriculture and wetland agriculture. The parameters analyzed were texture, organic carbon, bulk density, total pore space, pH in H2O, available P, total N, and exchangeable potassium. The results of the study for each parameter showed that the soil texture in dryland agriculture was sandy loam, while in wetland agriculture, it was clay loam. Organic carbon was classified as low (1.31%–1.62%). Wetland soils had higher porosity (57.67%–61.40%) and lower bulk density (1.01–1.10 g/cm³) compared to dryland soils. Soil pH was acidic (4.52–4.95). Available P, total N, and exchangeable potassium were higher in wetland soils than in dryland soils. In conclusion, the results of the study indicate that the soil properties, both physical and chemical, in wetland agriculture were better than in dryland agriculture, although no significant differences were found.  
Kajian Sifat Kimia Inceptisol Pada Beberapa Kelas Lereng Di Nagari Aie Dingin Kecamatan Lembah Gumanti Kabupaten Solok Andini, Liza; Prasetyo, Teguh Budi; Rasyidin, Azwar
Journal Arunasita Vol. 2 No. 2 (2025): Soil and Food
Publisher : WBS Laboratory

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.15315593

Abstract

A study on chemical properties of Inceptisols in four slope classes in scrubland areas was conducted in Nagari Aie Dingin, Lembeh Gumanti Sub-District, Solok Regency, from May 2022 to February 2023. This research was aimed to assess the chemical properties of Inceptisols in several slope classes in Nagari Aie Dingin, Lembah Gumanti Sub-District, Solok Regency. The study was carried out using a survey method. Samples were purposively taken from four slope classes (8-15%, 15-25%, 25-45%, >45%) and one comparison land (25-45%) at depths of 0-20 cm and 20-40 cm with three replications. The parameters analyzed were soil pH, organic C, total N, C/N ratio, available P, and CEC. The research results indicated that the soil pH ranged from 4.61 units to 5.62 units (acidic to slightly acidic). The organic carbon content of the soil ranged from 1.51% to 2.55% (low to moderate). The total nitrogen content ranged from 0.05% to 0.19% (very low to low). The C/N ratio ranged from 9.37 to 35.8 (low to very high). The P-available content ranged from 2.29 ppm to 43.6 ppm (very low to very high). Cation exchange capacity (CEC) had values from 14.28 me/100g to 43.62 me/100g (low to very high). The result showed that in the research area there was a decrease in the value of soil chemical properties along with increasing slope class.
Potential Selection of Arbuscular Mycorrhizal Fungi (AMF) Indigenous Ultisols through the Production of Glomalin Eddiwal, .; Saidi, Amrizal; Lenin, Ismon; Husin, Eti Farda; Rasyidin, Azwar
JOURNAL OF TROPICAL SOILS Vol. 19 No. 3: September 2014
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2014.v19i3.181-189

Abstract

The arbuscular mycorrhizal fungi ( AMF ) with plants able to increase the capacity of plants to absorb nutrients and water from the soil. Recently, research was indicated that AMF hyphae containing glomalin as a glycoprotein that serves to unify the dispersed soil particles. The content of glomalin in soil is positively correlated with soil aggregate stability. The research potential of AMF species indigenous of Ultisol Darmasraya District of West Sumatra and glomalin production in experimental pots of sterile sand medium has been carried out. The purpose of this study was to determine the diversity of AMF species on Ultisol and to seeking indigenous AMF isolates that had the best glomalin production capability. AMF spores were isolated and identified from the rhizosphere soil of corn in Ultisol. AMF species that had been identified experimentally were tested in culture medium pot of sand and zeolite (w / w 1:1) using corn crops. The results found nine of the AMF species indigenous of Ultisol Darmasraya, namely Acaulospora scrobiculata, Glomus etunicatum, Glomus luteum, Glomus mosseae, Glomus verruculosum, Glomus versiforme, Scutellospora gregaria, Scutellospora heterogama and Gigaspora sp. AMF species that showed better colonization ability in corn was G. luteum, G. verruculosum and G. versiforme. All three species produced glomalin significantly higher than the other species, i.e. 1.29 mg g-1; 1.17 mg g-1; 1.15 mg g-1, respectively. [How to Cite: Eddiwal, A Saidi, I Lenin, EF Husin and A Rasyidin. 2014. Potential Selection of Arbuscular Mycorrhizal Fungi (AMF) Indigenous Ultisols through the Production of Glomalin. J Trop Soils 19: 181-189. Doi: 10.5400/jts.2014.19.3.181]   
Co-Authors Alqadri Asri Putra Amrizal Saidi Andini, Liza Anika, Elsi Dyah Puspita Sari Eddiwal Eddiwal Eddiwal, . Ekaputra, Eri Gas Eni Kamal Eti Farda Husin Eti Farda Husin Gusmini Gusnidar, G Herviyanti J Juniarti Junaidi Junaidi Kenti, Helda Lenin, Ismon Nasution, Nur Fadillah Prasetio, Teguh Budi Rice Agmi Naldo Sandi, Nofrita Syafrimen Yasin Syamsuardi Syamsuardi Teguh Budi Prasetyo Ulfa, Nadilla Yulnafatmawita Yulnafatmawita Zuriana Siregar ZURIANA SIREGAR