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Sliman, Z., Abdelhakim, M., Omran, A. (1999). RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS. Egyptian Journal of Agricultural Research, 77(3), 983-993. doi: 10.21608/ejar.1999.336498
Zaghalol T. Sliman; Mohamed A. Abdelhakim; Aly A. Omran. "RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS". Egyptian Journal of Agricultural Research, 77, 3, 1999, 983-993. doi: 10.21608/ejar.1999.336498
Sliman, Z., Abdelhakim, M., Omran, A. (1999). 'RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS', Egyptian Journal of Agricultural Research, 77(3), pp. 983-993. doi: 10.21608/ejar.1999.336498
Sliman, Z., Abdelhakim, M., Omran, A. RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS. Egyptian Journal of Agricultural Research, 1999; 77(3): 983-993. doi: 10.21608/ejar.1999.336498

RESPONSE OF ONION TO FOLIAR APPLICATION OF SOME MICRONUTRIENTS

Article 1, Volume 77, Issue 3, July 1999, Page 983-993  XML PDF (2.51 MB)
Document Type: Original Article
DOI: 10.21608/ejar.1999.336498
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Authors
Zaghalol T. Sliman1; Mohamed A. Abdelhakim2; Aly A. Omran2
1Soils, Water and Environment Research Institute, Agricultural Research Center, Egypt
2Soils, Water and Environment Research Institute, Agricultural Research Center
Abstract
A field experiment was conducted at the Agricultural Research Station, Sids, Beni Sweif Governorate during two successive seasons (1995-1996 and 1996-1997) to study the effect of foliar spray of Fe, Mn, Zn, or Cu applied as sulfate and B applied as borax on onion yield (Allium cepa L.) and its chemical components. Results showed that the highest dry yield was obtained by foliar application of ZnSO4 followed by the application of borax. Increment percentages were 9.7%, 2.2%, 23.6%, and 11.5% for the first growing season and 0.0%, 5.6%, 27.8%, and 18.5% for the second growing season over the control for Fe, Mn, Zn, and B treatments, respectively. On the other hand, copper treatment resulted in a slight, but not significant, yield decrease. Foliar spray treatments did not increase micronutrient concentrations except for spraying with ZnSO4, which increased Zn to its highest concentration and content. Significant correlation coefficients between P and Zn (-0.792*), Fe and Zn (+0.734*), Fe and Cu (-0.828*), Mn and Fe (-0.801*), and Mn and Cu (-0.809*) were recorded.
Keywords
Fertilizers; Onion; Application Method; Yield
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