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Articles by R. Ahmad-Mahir
Total Records ( 1 ) for R. Ahmad-Mahir
  J. Khairiah , Y. Ding-Woei , J. Habibah , R. Ahmad-Mahir , A. Aminah and B.S. Ismail
  The aim of this study was to determine the level of heavy metals in the soil and in the plant parts (fruits, leaves and roots) of two cultivars of guava. The study was carried out at the Sungai Wangi Plantation in Sitiawan, Perak, Malaysia. Heavy metals in the soil were extracted using the sequential extraction method. Heavy metals in the soil and plants were determined using atomic absorption spectrometry. In general, it was found that the concentration of heavy metals in the soil was low and no Cu was detected in any fraction of the soil. Ni was detected in the RR fraction of all the four blocks studied and ranged from 2.71 to 4.52 mg kg-1. Cd was detected in all fractions of the four blocks except in the AR fraction of block 3. The concentration of Pb was considerably low in the soil of this plantation. Pb was not detected in the AR fraction of the four blocks. Mn was detected in all fractions. In the guava plants, Pb and Cu were not detected in all parts of the plants except that Cu (0.01 mg kg-1) was detected in the seeds from block 1. Of the heavy metals, only Fe was found in all plant parts from the four blocks. Similarly Zn was also found in all plant parts except those plants sampled from block 2. In conclusion, it can be stated that the concentration of heavy metals in both soil and guava plants from the Sungai Wangi Plantation at Sitiawan, Perak was considerably low.
 
 
 
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