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Journal : Seminar Nasional Lahan Suboptimal

Karakteristik Fisika Kimia Tanah pada Sistem Agroforestri Rossyda Priyadarshini; A. Hamzah; Maroeto Maroeto; B.W. Widjajani
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Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Priyadarshini R, Hamzah A, Maroeto M, Widjajani BW. 2020. Soil physico-chemical characteristics on agroforestry systems. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-8 Tahun 2020, Palembang 20 Oktober 2020. pp. xx.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).The composition, structure and type of vegetation are determined by land management patterns and their closely related with the organic matter input, which in turn will determine soil physico-chemical characteristics, in particular soil bulk density, organic-C, and N mineralization. This study aims to measure and compare the soil physico-chemical characteristics and nett N-mineralization, and also nitrogen leaching on agroforestri systems with different levels of tree diversity. The research was conducted on 2 (two) types of agroforestry systems with different compositions; namely simple agroforestry and complex agroforestry. The research was conducted in the Sumber Brantas sub-watershed which is located at 1150 17’00” to 118019’00” East Longitude and 7055’30” to70 57’30” South Latitude, on 3 (three) different plots for each type of agroforestry. The results showed that complex agroforestry systems had a greater input of organic matter (6.55 Mg ha-1) than simple agroforestry (4.68 Mg ha-1), with soil mineral N content of 108.2 kgha-1 and respectively. 120.2 kg ha-1 for complex agroforestry and simple agroforestry. The leached nitrate in the agroforestry systems was also greater (3.16%) than the simple agroforestry systems(1.83%) which was managed with a greater porosity in the complex agroforestry systems indicated by the lower value of soil bulk density (0.84 gcm- 3) compare with simple agroforestry (1.09 gcm-3).
Co-Authors A. Hamzah Abid, Moh Mislahul Aditama, Diqy Ridwan Agung Winarno Ahmad Zainul Arifin Alexandra Neovita Tanaya Alexandra Neovita Tanaya Andriansyah, Muhammad Afifi Anggoro Bayu Aji Arifin, Moch Arum, Dewi Puspa Avianita Agustiani B.W. Widjajani Bagus Shandy Narmaditya Bakti Wisnu Widjajani Bella Agit Solekhah Billy Primadi, Septiawan Chosa Zahro Fatiha Damasa Ines Larrisa Dimas Prabowo Harliando Dinna Hadi Sholikah Fadila Suryandika Faradiba, Nadya Febrianti, Wahyu Niken Fitri Wijayanti Fitri Wijayanti Garciah, Anisah Aprilia Gultom, Ignasius Hadi Suhardjono Handayani, Wuryaning Iis Purnamawati Jeni, Ken Bening Jiwa Jiwa Jeni, Ken Bening Jojok Dwiridotjahjono Joko Suyono Judhaswati, Ratna Dewi Ken Bening Jiwa Jeni Krisnawati, Anik Kurnia Sari, Hanna Putri Kurniawati, Yeni Trias Latifah, Diva Nuri Lestari, Safira Riska Lestari, Safira Rizka M. Ghufron Chakim Maghfiroh, Ainur Risma Miftakhul Marthalina, Melda Lely Moch Arifin Moch. Arifin Mohammad Idhom Muara Dhika Nabila Putri Wiandari Nailussa'adah, Fina Ningrum, Amanda Nur Fitria Noviana, Zumrotun Yogi Pangesti Nugrahani Penta SURYAMINARSIH Pradana, Marchelino Rendi Prameswari, Anindya Hayu Priyadarshini, Rossyda Purnomo Edi Sasongko Purwadi MP. Ir Purwadi Purwadi Purwadi Purwadi Rahastri Rengganis Sukma Ramadhani, Winih Sekaringtyas Rosariawari, Firra Rosmala, Karina Inassyiva Santoso, Wahyu Sastya, Yessy Siswanto Sri Wiyatiningsih Subhan, Aprellia Sofiatul Suhari, Reza Hasan Suntoro W.A Tanaya, Alexandra Neovita Tjahjono, Jojok Dwirido Wahyu Santoso Wahyu Santoso Wahyu Santoso Wahyu Santoso Wahyu Santoso Wanti Mindari Wattie, Glenmas Guardison Richard Wojtyla Wijaya, Kemal Windriyanti, Wiwin Wiwik Wahyuni Yenny WURYANDARI Yuli Agustina, Yuli Yuningsih Yuningsih