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Prof. Mohamed Abd El-Wahab Khamis :: Publications:

Title:
Effect Of Some Bio And Mineral Fertilizers On Growth, Productivity, Fruit Quality And Nutritional Status Of Washington Navel Orange Trees. Egypt. J. Of App. Sc., 4
Authors: Khamis, M. A.; Sharaf, M. M.; Bakry, Kh. A.; Ebrahim, H. K. and Yassin, H. I.
Year: 2012
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper Mohamed Abd El-Wahab Khamis_8-GROWTH, YIELD AND FRUIT QUALITY OF TWO GRAPE CVS. IN RESPONSE TO BUD LOAD AND FRUITING UNITS LENGTH.doc
Supplementary materials Not Available
Abstract:

The present study was conducted on fruitful Washington navel orange trees grown at a private orchard at Tesfa village belongs to Kafr Shockr district, Kaliobia Governorate, Egypt during 2009 & 2010 seasons to investigate the influence of some bio & mineral fertilizers i.e., Nofatrein and Biomagic foliar spray in different combinations with the N, P, K fertilizers on growth, productivity, fruit quality and nutritional status of Washington navel orange trees. All investigated nine treatments improved all evaluated parameters dealing with 1- growth parameters (No. of shoots / one meter limb, shoot length & thickness, No. of leaves per shoot and leaf area) 2- Fruiting measurements ( fruit set % & fruits retention and yield ), 3- Fruit quality either physical properties (fruit weight , dimensions , shape index , juice volume and peel thickness ) or chemical properties (juice TSS % , acidity % , TSS / acid ratio , total sugars and Vitamin C ) , as well as the nutritional status (leaf N, P, K, Ca, Mg, Fe, Mn and Zn) . However, the beneficial effect varied greatly from one investigated treatment to anther. Anyhow, Biomagic + (NH4)2SO4 + K2SO4 at 1% + P2O5 at 100ppm treatment was statistically the superior, descendingly followed by Nofatrien + (NH4)2SO4 at 1% + K2SO4 at 1% + P2O5 at 100ppm treatment. However, Control (water spray) treatment had the least efficiency.

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