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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Wednesday 21 November 2018

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Changes in total and extractable macroelements of grains of sorghum cultivars grown under different levels of micronutrients


Volume 4, Issue 4, December 2013, Pages 649–657

 Changes in total and extractable macroelements of grains of sorghum cultivars grown under different levels of micronutrients

O. Ahmed Suha1, Adel Wahab H. Abdalla2, Magdi A. Osman3, Tomoe Inoue4, Ann Ping5, and Elfadil E. Babiker6

1 Department of Food Chemistry, Food Research Center, Ministry of Science and Communication, Khartoum North, P. O. Box 213, Shambat, Sudan
2 Department of Crop Production, Faculty of Agriculture, University of Khartoum, Khartoum, Sudan
3 Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, P. O. Box 2460, Riyadh 11451, Kingdom of Saudi Arabia
4 Department of Plant Eco-physiology, Arid Land Research Center, Tottori University, Japan
5 Laboratory of Arid Land Plant Resources, Arid Land Research Center, Tottori University, Japan
6 Department of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, P. O. Box 2460, Riyadh 11451, Kingdom of Saudi Arabia

Original language: English

Received 1 October 2013

Copyright © 2013 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


The grains of four sorghum cultivars (Tabat, Tetrom, WadAhmed and Gadambellia) were grown in a sandy clay soil with a pH 7.2 for two consecutive seasons under different levels (0, 2, 4, and 8 gm/5kg soil) of micronutrients fertilizer and a constant level of macronutrients (6 gm/5kg soil). After addition of the fertilizers and water to the soil, the pH dropped to 5.7. Macroelements (Ca, P, Mg, K and Na) content and extractability (bioavailability) of the harvested grains were investigated. The content of macro-elements of the grains harvested during both growing seasons was significantly (p ? 0.05) increased with increase in micronutrients dose. However, the grains harvested during the second season for all cultivars had significantly (p ? 0.05) higher amount of macroelements than that harvested during the first season. Calcium content of the cultivar Tabat and sodium content of the cultivar Tetron were increased by more than 100% as a maximum values during the second season. Macroelements extractability (bioavailability) was increased with micronutrients fertilization with very few exceptions. The maximum value of extractability recorded was 92.88% for Mg extracted from the grains of Tabat cultivars grown under 8 gm/5kg soil micronutrients. The results revealed that micronutrients fertilization of sorghum cultivars is an ideal method in improving macroelements contents. Moreover, the pH (5.7) is the suitable value for the acquisition of micronutrients by the plant.

Author Keywords: Sorghum, grains, micronutrients, macroelements, extractability.


How to Cite this Article


O. Ahmed Suha, Adel Wahab H. Abdalla, Magdi A. Osman, Tomoe Inoue, Ann Ping, and Elfadil E. Babiker, “Changes in total and extractable macroelements of grains of sorghum cultivars grown under different levels of micronutrients,” International Journal of Innovation and Applied Studies, vol. 4, no. 4, pp. 649–657, December 2013.