Remediation of Arsenic Polluted Soil Using Ornamental Plants Caladium Bicolor

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Remediation of Arsenic Polluted Soil Using Ornamental Plants Caladium Bicolor

Wahyu Purbalisa* and Cicik Oktasari Handayani
 Indonesian Agricultural Environment Research Institute.
 Jalan Raya Jakenan-Jaken Km 5 Pati, Central Java, Indonesia
*Corresponding author : Alamat email ini dilindungi dari robot spam. Anda memerlukan Javascript yang aktif untuk melihatnya.

 


Abstract

Agricultural intensification causes excessive use of fertilizers and pesticides.
Even though fertilizer and pesticides are suspected contain arsenic heavy metal. One of
the efforts to reduce arsenic contamination from the soil by using ornamental plants is
Caladium bicolor. The aim of this research is to determine the ability of Caladium bicolor
to accumulate arsenic metal. The research using pots with a completely randomized
design (CRD) consisted of four treatments of arsenic concentration with three
replications. In this experiment using arsenic-contaminated soil from previous research
activities with 4 levels of contamination, namely Control (without contamination), low
contamination (5 ppm), moderate contamination (10 ppm), and high contamination (20
ppm). The collection of soil samples and plant samples for metal arsenic analysis was
carried out before planting and after 9 weeks of age. The result showed that Caladium
bicolor can reduce arsenic levels in the soil with the highest decrease of 19.43% in high
level. Caladium bicolor able to accumulate arsenic in plant tissue that is the root and
leaves. Judging from the growth of Caladium bicolor plants, the control treatment has a
better growth than other treatments.


Keywords: Caladium bicolor, arsenic

 

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BALAI PENELITIAN LINGKUNGAN PERTANIAN

Indonesian Agricultural Environment Research Institute (IAERI)

 


 

A. Wihardjaka (1) and L.J. Wade (2)
(1)Research Station of Agricultural Environment Preservation

(2)International Rice Research Institute

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