Bulgarian Journal of Agricultural Science
Array ( [session_started] => 1709100407 [LANGUAGE] => EN [LEPTON_SESSION] => 1 )
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The effects of phosphorus application on shoot dry matter and uptake of phosphorus, calcium and zinc in two wheat cultivars grown in a high clay soil
I. Kizilgoz, E. Sakin
Abstract: Interactions of phosphorus (P) with calcium (Ca) and zinc (Zn) in different plant species have received a great deal of attention recently. A glasshouse pot experiment with different rates of P application (0, 30, 60, 90 and 120 mg P kg-1 soil) was conducted to investigate these interactions in two wheat varieties (Ege-88 and Gun-91). Increased application of P reduced shoot Zn concentration significantly. Shoot Ca concentration was also reduced by P application but the reduction was disproportionate to P application rate. These results demonstrate that P application could be one of the reasons for Zn and Ca deficiency. Therefore, the level of P application should be determined carefully in order to maximize yield.
Keywords: calcium; clay soil; phosphorus; uptake; zinc
Date published: 2019-02-20
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