January 2018 Vol. 6 No.1

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Al-Tameemi HJH
Hassan MJ

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Original Research Article

Effect of Selenium Fertilization on Dry Weight, Concentration, and Selenium uptake in Shoot of Maize (Zea mays L.) Growing in Iraqi Calcareous Soils

Hayfaa J.H. Al-Tameemi^*, Najla J. AL – Amiri and Mohammed J. Hassan

Dept. of Soil Science and Water Resources, College of Agriculture-Univ. of Basrah- Iraq

*Corresponding Author’s E-mail: altamimi.hayfaa1@gmail.com
 
Accepted January 08, 2018

Abstract

A cultivation experiment was conducted maize crop (Zea mays L.) in plastic pots on two calcareous soils (Qurna soil, which is poor organic matter and the other soil from Maysan marshes, which is rich in organic matter). To study the effect of selenium, on dry weight, concentration and the amount of selenium absorbed in the shoot of maize crop. Application Selenium was at four levels (0, 10, 20 and 40) gm Se ha^-1. Results indicated that the dry weight, concentration and the amount of selenium absorbed in the shoot of maize crop values, increased significantly with increasing the amount of application selenium in both soils. The highest values of dry weight (15.79 and 18.01 gm dry matter pot-1), Selenium concentration (67.45 and 92.30 μg S gm-1 dry matter) and the amount of selenium absorbed (1062.00 and 1669.00 mg pot^-1) were at Se4 (40 gm Se ha^-1) treatment for Qurna and Maysan marshes soils respectively. While the lowest values of dry weight (14.79 and 16.91 gm dry matter pot^-1), Selenium concentration (18.09 and 21.64μg S gm^-1 dry matter) and the amount of selenium absorbed (264.58 and 364.61 mg pot^-1) were at Se1 (0 gm Se ha^-1) treatment for Qurna and Maysan marshes soils respectively.

Keywords: Selenium, Maize, Calcareous soils