تأثير رش الزنك بمستويات ومواعيد مختلفة في نمو تراكيب وراثية من زهرة الشمس وحاصلها ونوعيتها (Helianthus annuus L., Compositae)
Because of the calcareous nature of soils in Mosul city and the high value of the soil pH, most micro nutrients have negligible availability in these soils, therefore an field experiment was conducted during two successive growing seasons 2009-2010 and 2010-2011 to determinate the response of growth...
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University of Mosul-college of Basic Education,
2014-06-01T00:00:00Z.
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