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Tag Indicator Content
020 ## $a92-5-101099-4
041 ## $aEnglish
110 ## $a
245 00 $aCrop production levels and fertilizer use
260 ## $aRome $bFAO $c1981
300 ## $aix, 69 p. $bfig, table. $c27 cm
440 #0 $aFAO fertilizer and plant nutrition bulletin $c2