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American Journal of Plant Physiology
Year: 2011  |  Volume: 6  |  Issue: 2  |  Page No.: 83 - 90

The Effect of Agricultural Byproduct of Olive Tree on Horticultural Substrate of Strawberry (Fragaria ananassa) Grown in Soilless Crop System

Ahmed Latigui, Aek Zerarka, Abdelhadi Kasmi, Kamel Mettai and Ouafia Braik    

Abstract: In order to study the physical and chemical characteristic of 4 horticultural substrates and their behavior on strawberry plant cultivated in inert media, a study was carried during 2009 to 2010. Four substrates were tested in this experiment. They were composed by the byproduct oil cake and the vermiculite with the proportions [100:0], [90:10], [80:20] and [70:30] for T1, T2, T3 and T4, respectively. In the laboratory, the physical and chemical properties of these 4 blends are studied. In the greenhouse, their behavior on strawberry crop based on pH drainage evolution after each fertigation are controlled. The first supports compounded by 100% of oil cake and the second compounded by 90% of oil cake and 10% of vermiculite had the best physical and chemical characteristics: air filled porosity, percentage of drainage, moisture content, bulk density, pH and Electrical Conductivity (EC). The monitoring of fertigation, by the pH drainage evolution, from 1 to 14 May; period of high photosynthetic activity, shows that the behaviour of the mixtures T1 [100:0] and T2 [90:20] on the strawberry plant, grown in inert media, gave good conditions to uptake the nutrients and relatively optimized, the growth of strawberry plant.

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