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Acta Agrophysica > 2013 > 20 > 2
Progress in Plant Protection > 2010 > 50 > 4
Journal of Elementology > 2008 > 13 > 4 > 521-534
Acta Agrophysica > 2013 > 20 > 2
Progress in Plant Protection > 2010 > 50 > 4
Journal of Elementology > 2008 > 13 > 4 > 521-534