الفهرس 
Using of mineral and organic treatments to improve olive transplants growth in North Africaa
ABSTRACTOnly 14 pages are availabe for public view
 |  | from | 124 |  |  |
| | | from | 124 | | |
Abstract
The present study was designed to investigate the effect of NPK alone or in
combination with (compost tea, vermicompost tea and seaweed extract) on two olive
cultivars transplants (Coratina and Aggizi Shame). Different growth parameters
expressed as trasplant length, root length, leaf surface area, number of lateral
branches, number of leaves/ trasplant, stem diameter, moreover leaf mineral content,
and leaf photosynthetic pigments content were also studied. The trials were carried
out in a governmental farm located at Horticulture Research Institute during 2020
and 2021 successive seasons. The experiment was set in a Complete Randomized
Blocks design with eight treatments for each cultivar including the control; each
treatment was represented by four replicates (three transplants/each) as a total of
transplants. The obtained results revealed for olive transplants cv. ”Coratina” that
foliar application with NPK increased significantly plant height and root length.
However foliar application with compost tea (CT)+NPK increase chlorophyll A and
carbohydrate, treatment seaweed (SWE)+NPK enhanced root length, number of
lateral branches, shoot diameter, nitrogen, phosphorous, calcium, magnesium,
chlorophyll B and carotene contents. Furthermore, the obtained results showed that,
”Aggizi Shame” olive transplants received foliar application with compost tea (CT)
+NPK gained the highest trasplant length and root length. treatment seaweed
(SWE)+NPK was found most ideal foliar application for most of traits like number of
lateral branches, number of leaves/ transplant, stem diameter, potassium, calcium,
magnesium, chlorophyll A, B and carbohydrate content in olive transplants.
Hence, it is recommended that foliar application with vermicompost tea (VCT) +
NPK or seaweed extract (SWE) + NPK which could improve growing olive
transplants successfully.