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    Abstract
2013 (Vol. 5, Issue: 5)
Article Information:

The Effect of Urea and Level of Soil Moisture on Availability of Zinc and Copper in Two Different Soils in Vitro

Negar Irani-Sarand, Nosratollah Najafi, Nasser Aliasgharzad and Shahin Oustan
Corresponding Author:  Negar Irani-Sarand 

Key words:  Copper, soil water, urea, zinc, , ,
Vol. 5 , (5): 226-234
Submitted Accepted Published
April 01, 2013 April 15, 2013 September 20, 2013
Abstract:

The objective of this study is to find out the effect of urea and level of soil moisture (submergence and un-submergence) on availability of Zn and Cu nutrients in both loamy sand and clay loam soils in vitro. This investigation is factorial experiment in a Completely Randomized design (CRD) with two replications. Factors include moisture condition of soil at two levels (submergence and un-submergence), the amount of urea in three levels (0, 200 and 400 mg N/kg soil), two types of soil (loamy sand and clay loam)and time in four levels (1, 5, 15 and 45 days). Results show that concentration of extractable Cu and Zn in submergence is more than un-submergence. Adding urea increases concentration of dissolved Cu. When using both levels of urea in both submergence and un-submergence state, extractable Zn in loamy sand soil first decreases and then shows an increase. In clay loam soil, after using 200 mg N/kg, the amount of extractable Zn first decreases and then increases. Changes of extractable copper in both soils in three levels of fertilizer and un-submergence state are not meaningful, while using urea in submergence state increases extractable and dissolved copper in both soils.
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  Cite this Reference:
Negar Irani-Sarand, Nosratollah Najafi, Nasser Aliasgharzad and Shahin Oustan, 2013. The Effect of Urea and Level of Soil Moisture on Availability of Zinc and Copper in Two Different Soils in Vitro.  Current Research Journal of Biological Sciences, 5(5): 226-234.
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ISSN (Online):  2041-0778
ISSN (Print):   2041-076X
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