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The Role of Cadmium-Resistant Bacterial Application and Compost in Promoting Water Spinach Growth and Reducing Cadmium Uptake Azis, Novrianty Rizqi; Nuraini, Yulia; Ustiatik, Reni; Prayogo, Cahyo
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.417-423

Abstract

The continuous use of chemical fertilizers and pesticides in soil can result in the presence of cadmium (Cd) residues that may interfere with plant growth and pose a risk of uptake by plants. The issue of soil contamination by Cd can be addressed through soil bioremediation, which involves the use of Cd-resistant bacteria and compost. The objective of this study was to analyze the impact of Cd-resistant bacteria and compost application on the growth and Cd uptake of water spinach. The research design was a completely randomized design with seven treatments: (1) control, (2) 5 mL Cd-resistant bacteria consortium, (3) 10 mL Cd-resistant bacteria consortium, (4) 10 tons/ha compost, (5) 20 tons/ha compost, (6) 5 mL Cd-resistant bacteria consortium +10 tons/ha compost, and (7) 10 mL Cd-resistant bacteria consortium +20 tons/ha compost. The results demonstrated that the application of Cd-resistant bacteria and compost did not notably impact the growth of water spinach. However, it did significantly influence the reduction of Cd uptake in water spinach. The application of the Cd-resistant bacterial consortium and compost was effective in reducing the Cd uptake of the water spinach plants in all treatments. The combination of 10 mL of bacterial isolate and 20 tons/ha of compost demonstrated the greatest reduction in Cd uptake by water spinach, reaching 73%. Keywords: Bioremediation, Cadmium-resistan bacteria, Compost, Environmental monitoring, Soil contamination.
Farmers' Bussiness as Usual Increase Lead (Pb) Level in the Soil: a Case Study Horticulture Land in Batu, Indonesia Ustiatik, Reni; Pertiwi, Beauty Laras Setia; Nugroho, R. M. Yusuf Adi Pujo; Albarki, Georona Kusma; ‘Azizah, Siti Nur; Ariska, Ayu Putri; Nuraini, Yulia; Kurniawan, Syahrul
Jurnal Penelitian Pendidikan IPA Vol 10 No 1 (2024): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i1.4719

Abstract

Lead (Pb) is a toxic heavy metal for humans. Agrochemical applications contribute to Pb contamination and accumulation in plants which is harmful to humans. This study aims to investigate the habits of horticultural farmers in applying inorganic fertilizers and pesticides intensively on Pb concentration in the soil and cultivated plants, and its effect on plant growth. The measured parameters consisted of soil and plant Pb content, soil pH, organic C, total N, available P, and exchangeable K. This study used a randomized block design consisting of 4 treatments (Control (KT); (PR); (TN); and (TP)). The results showed that horticultural farmers' dosage of inorganic fertilizers exceeded Indonesia Ministry of Agriculture recommendation. The application of inorganic fertilizers and pesticides by farmers (business as usual) increased Pb content in plants up to 31.46 mg/kg. Besides the application of inorganic fertilizers increases fertilizer residues in the soil by up to 65%, which increases environmental pollution even though the application of inorganic fertilizers increases plant growth and production (shoot length,  the number of leaves, and plant dry weight). Thus, wisely applying agrochemicals is required in order to support plant growth and production without further environmental problems.
Co-Authors Agus Nurrofik Ajeng Widakusuma Dewanti Al Gamal Pratomo Albarki, Georona Kusma Alda Inayah A. Hi. Usman Ali Rahmat Ali Rahmat Aminah Arifiati Amrullah Fiqri Ana Aryun Rahma Astuti Angelia, Mariana Anindita Kusumaningtyas Annisauz Zahro Ariska, Ayu Putri Azis, Novrianty Rizqi ‘Azizah, Siti Nur B Baswarsiati Bambang Siswanto Bambang Siswanto Beauty Laras Setia Pertiwi Bima Purna Putra Budi Prasetya Budi Prasetya Budi Purnomo Budy Satya Utomo Cahyo Prayogo, Cahyo Christy Nur Cahyani Clara Emanuela Prasetyani Cynthia Monica Sugiono Dedi Darma Andrians Dewi Puspita Widiarini Dewi, Tirta Kumala DEWI, TIRTA KUMALA Diaz Gustomo Didik Sucahyono Dwi Mawar Purwaningtyas Eka Asgianingrum, Rurin Eko Handayanto Endang Arisoesilaningsih Erekso Hadiwijoyo Erlisa Karmila Dewi Etty Pratiwi F Fahrunsyah Fahriansyah Nur Afandi Fiona Victor Iswara Gertruda Lovitna Gusti Irya Ichriani Helvi Yanfika Heydiana Bunga Hutamy Ieke Wulan Ayu Ika Apriwulandari Jati Purwani Jati Purwani Johandre Arpindra Surya June Annethe Putinella Kurniatun Hairiah Kurniawan Kurniawan Kusumawati, Irma Ardi Lelalovita Siregar Lestari, Nina Dwi Lusi Nurhayati Tamba Mardiani, Mila Oktavia Megalia Himawarni Megawati Ompusungu Mokhamad Asyief Khasan Budiman Muhammad Miftakhul Falah Mulyaningrum, Retno Muzna Aqila Nisma Ula Shoumi Rahmawati Nono Malini Syahril Novi Arfarita Novi Rahmawati Sutopo Novi Rahmawati Sutopo Nugroho, Gabryna Auliya Nurul Istiqomah Nurul Istiqomah P Purwanto Purnamasari, Eka Putri Alfira Zuraida R Muhammad Yusuf Adi Pujo Nugroho Rahmat Satriya Rajagukguk, Reinhard Novando Ramadhani, Winih Sekaringtyas Retno Anggraini Retno Wilujeng Riezka Setya Pratiwi S Syekhfani Sahputra, Rozy Dwi Sahputra, Rozy Dwi Santika Patna Dyasmara Sarjiya Antonius Siska Nurfitriani Siska Nurfitriani Sri Rahayu Utami Sukmawatie, Neny Syahrul Kurniawan Syarifinnur Syarifinnur Umi Chasanah Usman, Alda Inayah A. Hi. Ustiatik, Reni W Widianto Wahyu Ningtyas Wahyu Satria Eginarta Zaenal Kusuma