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^: 25813 2012 46(1)
^: Koteva V.; Markov E.
^: Changes in the reserve of mobile Cu, Zn and Fe in Pellic Vertisol influenced by 20 years fertilization with manure, used in combination with mineral fertilization or separately, of field crops in stationary trial [ , , ; . ()]
^: ..., 2012; Vol.46,N 1. - P. 17-23
^: 2012
^: . ..-Bibliogr.:p.22-23

^TRN: 1315276
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