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Articles by Abdelhadi Kasmi
Total Records ( 2 ) for Abdelhadi Kasmi
  Ahmed Latigui , Aek Zerarka , Abdelhadi Kasmi , Kamel Mettai and Ouafia Braik
  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.
  Abdelhadi Kasmi , Ahmed Latigui , Kamel Metai , Belgacem Sahli and Aek Dilem
  The use of different waste materials, Sewage Sludge (SS), Palm Fiber (PF) and Topsoil (TS) as substrates in the production vegetable plants were studied with a special interest on the suitability of palm fiber as growing substrate plants. It was composted during 60 days at equal volume (1:1) with SS. The five substrate mixtures were, T1 = 50% (SS and PF)+50% TS, T2 = 35% (SS and PF)+65% TS, T3 = 25% (SS and PF)+75% TS, T4 = 20% (SS and PF)+80% TS and T5 = 15% (SS and PF)+85% TS. The plant species tested were Lycopersicum esculentum and Cucumis melo. Electritical conductivity and pH substrate were periodically tested along the experiment. The mixture of T1 represented the most convenient substrate to use for L. esculentum regarding the other treatments. For C. melo, the mixtures of T1 and T2 gave the best relative performances. Therefore, it is important to consider the use of sewage sludge and palm fiber can influence positively the physico-chemical properties of horticultural substrate.
 
 
 
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