Kirkuk University Journal for Agricultural Sciences (KUJAS)

Effect of organic fertilizer levels on olive fruits yield, local cultivar (Bashiki) at al-Hawija - Kirkuk

https://doi.org/10.58928/ku12.03202
Volume 3, Issue 2
Autumn 2012
Page 14-21
Kirkuk University Journal for Agricultural Sciences (KUJAS)

Document Type : Research Paper

Authors

Adel Mansur
Jassem M. Al-Eshaqy
Kareem S. Al-Obaidy
Abstract
The study was carried out in a private Olive yard in El-Hawija - Kirkuk during the growing season 2009 on 18 years old Olive's tree of (Cv. Bashiki) to investigate the effect of four levels of organic fertilizer (control-without adding fertilizer , 15 , 25 , and 35 Kg of sheep manures, with only mineral fertilizer (N.P.K.) on yield and it's components.
The results showed that application of organic fertilizer produced higher number of complete flowers as compared with non-treated Olive trees. And the highest number was (128 flower.tree-1) with application of (35 Kg of sheep manures.tree-1). The amounts of falling fruits were increased significantly (p>5%) by non-fertilizer applications compared with all levels of manure applications and mineral fertilizer, so that the production of control was decreased significantly (p>5%),and the highest production was at (35 Kg of sheep manures.tree-1) which was( 69 Kg.tree-1) . However, the total production was (1.642 ton.h-1) with application of( 35 Kg of sheep manures.tree-1)
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