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Shehata, N., Shafie, A., Abdel Fattah, M. (2008). EFFECT OF COBALT ON CUCUMBER GROWTH, FRUITS YIELD AND MINERAL COMPOSITION. Journal of Soil Sciences and Agricultural Engineering, 33(1), 909-915. doi: 10.21608/jssae.2008.166862
Nadia G. Shehata; A. M. Shafie; M. S. Abdel Fattah. "EFFECT OF COBALT ON CUCUMBER GROWTH, FRUITS YIELD AND MINERAL COMPOSITION". Journal of Soil Sciences and Agricultural Engineering, 33, 1, 2008, 909-915. doi: 10.21608/jssae.2008.166862
Shehata, N., Shafie, A., Abdel Fattah, M. (2008). 'EFFECT OF COBALT ON CUCUMBER GROWTH, FRUITS YIELD AND MINERAL COMPOSITION', Journal of Soil Sciences and Agricultural Engineering, 33(1), pp. 909-915. doi: 10.21608/jssae.2008.166862
Shehata, N., Shafie, A., Abdel Fattah, M. EFFECT OF COBALT ON CUCUMBER GROWTH, FRUITS YIELD AND MINERAL COMPOSITION. Journal of Soil Sciences and Agricultural Engineering, 2008; 33(1): 909-915. doi: 10.21608/jssae.2008.166862

EFFECT OF COBALT ON CUCUMBER GROWTH, FRUITS YIELD AND MINERAL COMPOSITION

Article 16, Volume 33, Issue 1, January 2008, Page 909-915  XML PDF (478.31 K)
Document Type: Original Article
DOI: 10.21608/jssae.2008.166862
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Authors
Nadia G. Shehata1; A. M. Shafie2; M. S. Abdel Fattah1
1Plant Nutrition Dept., National Research Centre, Dokki. Egypt
2Soil and Water Use Dept., National Research Centre, Dokki. Egypt
Abstract
A field experiment was conducted to evaluate the effect of cobalt on cucumber growth, fruits yield and mineral composition. Seedlings of five weeks-old with almost the same stem thickness were transplanted to the field under drip irrigation system. Cobalt was added once in the form of cobalt sulphate in five concentrations namely, 0.0, 7.5, 15.0, 22.5 and 30.0 ppm.
The obtained results indicated that the addition of 15.0 ppm cobalt had significant primitive effect on cucumber growth, fruits yield and mineral content. Higher concentrations exerted hazardous effect on vegetative growth, yield and Mn, Zn and Cu in fruits. Cobalt contents in fruits was increased with every increase in cobalt application. On the other hand, opposite trend was observed for Fe. Cobalt level of 15.0 ppm increased fruits N, P and K content but further increases in cobalt      addition up to 30 ppm decreased N, P and K in cucumber fruits.
Keywords
Cucumber; Cobalt; Nobareia; Drip irrigation; Macro and micronutrients
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