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Prof. Khaled Ali Ibrahim Bakry :: Publications:

Title:
The influence of some bio and organic nutritive addenda on growth, productivity, fruit quality and nutritional status of washington navel orange trees. Egypt. J. Of App. Sc., 2
Authors: Sharaf ,M.M. ; Bakry, Kh. A. and EL- Gioushy, S. F.
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 Khaled Ali Ibrahim Bakry _33-THE INFLUENCE OF SOME BIO AND ORGANIC NUTRITIVE ADDENDA ON GROWTH, PRODUCTIVITY,.doc
Supplementary materials Not Available
Abstract:

The present study was conducted on fruitful Washington navel orange trees grown at Experimental Station of Faculty of Agriculture, Benha Uni. during 2009 & 2010 seasons to investigate the influence of some bio & organic substances as additional nutritive fertilizers i.e., Biomagic, peptone and Hammer (humic source) applied either each solely or combined to another (foliar &/or soil drench), besides water spray as control. All investigated six 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 ) and 4- nutritional status (leaf N, P ,K , Ca and Mg %) . However, the beneficial effect varied greatly from one investigated treatment to another. Anyhow, Biomagic 7.5g/L foliar spray + Hammer 1.5g/L soil drench (6th treatment) was statistically the superior, descendingly followed by foliar spray with Biomagic solely 7.5g/L and/or peptone 0.5g/L foliar spray +Hammer 1.5g/L soil drench . However, Hammer 1.5g/L applied solely either foliar or soil drench had the least efficiency, especially foliar application.

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