INNSpub | Blog site - Phytoremediation potential of Centella asiatica (gotu kola) in nickel ore-contaminated soils | JBES 2018

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INNSpub | Blog site - Research Journal Publisher: Phytoremediation potential of Centella asiatica (g... : Map showing the operating nickel mining sites in Carrascal, Surigao del Sur, Philippines. Author Information Genelyn G. Madjos  from the Institute of the  Department of Biological Sciences, College of Science and Mathematics, Western Mindanao State University, Zamboanga City, Philippines Journal Name Journal of Biodiversity and Environmental Sciences | JBES Abstract Nickel miningposed a serious environmental problem due to run-offs and tailings. To address this, current techniques include excavation, chemical stabilization and soil flushing, but these methods are costly and impractical. One of the ecologically accepted treatments is phytoremediation. With the capacity of Centella asiatica (gotu kola) to thrive in moist soils with domestic effluents, this present study sought to evaluate its phytoremediation potential by employing an experimental design with three replicates of: (a
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Effect of pH changes on the growth of water hyacinth (Eichhornia crassipes (Mart.) Solms.) in acid mine drainage - JBES

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  • Rahmat Yunus1,2, Bambang Joko Priatmadi3, Amin Setyo Leksono*4, Zaenal Kusuma5
  1. Doctoral Program of Environmental Science and Technology, Graduate Program, University of Brawijaya, Malang, Indonesia
  2. Faculty of Mathematic and Natural Sciences, Lambung Mangkurat University, Banjarbaru, Indonesia
  3. Faculty of Agriculture, Lambung Mangkurat University, Banjarbaru, Indonesia
  4. Faculty of Mathematic and Natural Sciences, University of Brawijaya, Malang, Indonesia
  5. Faculty of Agriculture, University of Brawijaya, Malang, Indonesia
Acid mine drainage (AMD) is waste water formed through a series of chemical reactions and biological activity. AMD has a pH of 3.0 and limited nutrients content. Therefore, before being released into the environment, it requires pH modification to deserve for growing of aquatic plants. This study aimed to determine the effect of pH on the growth of water hyacinth. AMD was collected from coal mining in Tanah Laut, South Kalimantan and limestone was taken from District of Tarjun, Pulau Laut. The 10 L of AMD add with limestone: 50 g, 100 g, and 150 g left for 3 days and pH turned into 4.01 (A1); 4.36 (A2); and 4.87 (A3), with 3 replications.


Measured parameters were AMD pH changes and growth of water hyacinth (total weight, root length, and diameter of leaf), every 3 days after growth. The results showed that pH changes significantly affect the growth of total weight (R = 0.909), root length (R = 0.901), and diameter of leaf (R = 0.918) of the water hyacinth. The highest growth in total weight and root length occurred in the day 9, pH increased from 5.64 to 5.91, and the diameter of leaves on the plant occurred in the day 12 and a pH of 5.28 to 5.48. The reduced rate of growth of water hyacinth at a pH closer to neutral state can be due to the reduced availability of nutrients, as AMD containing low nutrients.

Journal Name: Journal of Biodiversity and Environmental Sciences (JBES)

Publication Name: International Network For Natural Sciences (INNSPUB)

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