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Bakti, Lalu Arifin Aria
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Journal : Agroteksos

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THE SOIL CARBON STOCK IN THE TOURISM AREA OF GILI TRAWANGAN Astuti, Eni Widia; Bakti, Lalu Arifin Aria; Kusnarta, IGM; Selvia, Siska Ita
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 33 No 2 (2023): Jurnal Agroteksos Agustus 2023
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v33i2.853

Abstract

This study aims to determine the distribution of carbon stocks in various land uses and total carbon stocks in the tourism area of ​​Gili Trawangan. This research was conducted in the Gili Trawangan area, Physics and Soil Conservation Laboratory, and Soil Chemistry and Biology Laboratory, Faculty of Agriculture, University of Mataram, in June-October 2022. The method used in this study was a descriptive method with a survey technique. The descriptive method can start with data collection, analysis and interpretation. Carbon in the soil in this study was obtained from the results of C-organic laboratory analysis (Walcky and Black) supported by measurements of soil unit weight (BV), soil porosity and soil texture. Meanwhile, aboveground carbon stocks were obtained through direct sampling in the field by measuring tree biomass. The results showed that the total carbon stocks in various land uses have different carbon stocks. The mixed garden had the highest carbon stock of 840.27 ton.ha-1, forest land of 83.76 ton.ha-1, and shrubs of 15.76 ton.ha-1, and the lowest carbon stock was a settlement of 3.01 ton. ha-1. Overall, carbon stocks in the tourist area of ​​Gili Trawangan are 942.8 ton.ha-1.
APLIKASI BIOCHAR TERHADAP KETERSEDIAAN HARA NITORGEN DAN FOSFAT DI TANAH VERTISOL LOMBOK Dewi, Rika Andriati Sukma; Sukartono, Sukartono; Bakti, Lalu Arifin Aria; Selvia, Siska Ita; Iemaaniah, Zuhdiyah Matienatul
AGROTEKSOS, Jurnal Ilmiah Ilmu Pertanian Vol 34 No 2 (2024): Jurnal Agroteksos Agustus 2024
Publisher : Fakultas Pertanian Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/agroteksos.v34i2.976

Abstract

Tanah vertisol memiliki nilai kapasitas tukar kation dan kejenuhan basa yang tinggi namun kandungan bahan organik dan ketersediaan hara bagi tanaman rendah. Tujuan dari penelitian ini adalah untuk mengevaluasi bagaimana pengaruh aplikasi biochar sekam padi dan tongkol jagung terhadap ketersediaan hara N dan P serta serapan hara N dan P pada tanaman kedelai pada tanah vertisol Lombok Tengah. Dosis biochar (sekam padi dan tongkol jagung) masing-masing yang diberikan yaitu 0, 10, 15, 20, 25 dan 30 ton/ha tanah vertisol. Tanah sampel diambil dari desa Kawo (Lombok Tengah) dan kegiatan percobaan dilaksanakan di rumah kaca Fakultas Pertanian Universitas Mataram. Parameter yang diamati antara lain pH, N-total dan P tersedia pada tanah vertisol serta analisis jaringan tanaman kedelai berupa serapan hara N dan P jaringan tanaman. Hasil penelitian menunjukkan bahwa pemberian biochar sekam padi dan tongkol jagung dapat memperbaiki sifat kimia tanah vertisol yaitu KTK dan pH. Pengaruh biochar terhadap C-organik tidak memberikan pengaruh yang nyata. Untuk parameter N-total, biochar tongkol jagung memberikan pengaruh yang nyata sedangkan biochar sekam padi tidak memberikan pengaruh yang nyata. Parameter N tersedia tidak menunjukkan adanya pengaruh biochar terhadap parameter tersebut. Sementara itu, aplikasi biochar memberikan pengaruh yang nyata terhadap parameter P tersedia serta pengaruh biochar terhadap serapan P hanya terlihat pada biochar sekam padi. Kata Kunci: Vertisol, Biochar, Hara, Nitrogen, Fosfat
Co-Authors Abidin, Gunawan Agastya, Dewandha Mas AIDA MUSPIAH Astuti, Eni Widia Atnurlaeli Bambang Hari Kusumo Fahrudin Fahrudin Farista, Baiq Hasyim Hopiana, Nida Humairoh Saidah I Dewa Gede Jaya Negara I Gusti Made Kusnarta I Wayan Yasa, I Wayan Ida Royani Isnaniar Jasrodi, Jasrodi Julisaniah, Nur Indah Karyawan, I Dewa Made Alit M. Yogi Riyantama Isjoni Nurrachman Permana, Wahyu Enggal Quro, Mariatul Q`uro, Mariatul Rahayu, Rachmawati Noviana Rika Andriati Sukma Dewi Rohani Salehudin Salsabil, Haidir Ali Saniah, Nur Indah Juli Selvia, Siska Ita Sukartono Sukartono Sukartono Sukartono, . Surardji, . Suwardji Virgota, Arben Widiyanti, Astrini Zuhdiyah Matienatul Iemaaniah