Abstract
Abstract - This study was carried out to analyze the effect of arsenic types on growth and arsenic accumulation ability of Pteris multifida . Among arsenic pollution sources, Sodium arsenate, Calcium arsenate, Sodium arsenite and Potassium arsenite were treated in horticultural compost contaminated with 500 ㎎·kg -1 . P. multifida was cultivated for 12 weeks. The results of study, Calcium arsenate treatment showed slightly decreased growth of P. multifida . But, growth of P. multifida cultivated in the remaining arsenic treatment was similar to untreated control plot. With only short-term cultivation of 4 weeks, aerial p art of P. multifida in Sodium arsenate treatment showed high arsenic accumulation of 2,289.5 ㎎·kg -1 DW. The arsenic accumulation (2,956.0 ㎎·kg -1 DW) was the highest at 12 week. On the other hand, underground part showed the highest arsenic accumulation in Potassium arsenite treatment (2,470.2 ㎎·kg -1 DW) and Calcium arsenate treatment accumulated 1,060.7 ㎎·kg -1
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