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Table 3 Pearson’s correlation coefficients (r) among essential elements in rice varieties (improved, imported, and traditional) collected in 2018 and 2019 from the Colombo district, Sri Lanka (n = 168)

From: An assessment on toxic and essential elements in rice consumed in Colombo, Sri Lanka

 

Fe

Zn

Cu

Mn

Zn

0.54***

   

Cu

0.44***

0.39***

  

Mn

0.64***

0.65***

0.52***

 

Mo

0.20*

0.38***

0.19*

0.32***

  1. *Significance at p value of < 0.05
  2. **Significance at p value of < 0.01
  3. ***Significance at p value of < 0.001