Journal of Arid Land Studies
Online ISSN : 2189-1761
Print ISSN : 0917-6985
ISSN-L : 0917-6985
Refereed Papers (Poster Presentation)
Effect of Dates and Rates of Ammonium Sulphate Application on Vegetative Growth and Photosynthetic Pigments of Manzanillo Olive Trees
Nabila ELBADAWYElsaid HEGAZITaher YEHIAMahmoud ABOURAYYAThanaa MAHMOUD
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2016 Volume 26 Issue 3 Pages 179-181

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Abstract

This study was conducted during two successive seasons 2009 and 2010 on ten years old “Manzanillo” olive trees, planted at 5 × 5 m grown in sandy soil in a private orchard at Cairo-Alexandria desert road (about 50 km from Cairo), Egypt. The investigation aimed to study the effect of dates of ammonium sulphate 20.6%N applications as nitrogen fertilization source and minimize the rate of added annually amounts by 20% on vegetative growth and photosynthetic pigments of “Manzanillo” olive trees. The obtained results indicated that the application with ammonium sulphate at 1 kg/tree in each of February, May, June and August increased significantly vegetative growth; leaf area, leaf dry weight and specific leaf weight and photosynthetic pigments.

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© 2016 The Japanese Association for Arid Land Studies
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