MINERAL COMPOSITION OF CROPS 



99 



<N CM CM CM >0 *C r-t i 

 (M CM CM CM ■* ■* CM ( 



<N CO CO 



lorora-H th i-i 



CM i-H CO i-l C33 <M «D 



lO 00 iH 



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 o S o 



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aa 





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l; a 



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3 



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fflOS 



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