Effect of Water Content of the Hydration Efficiency of some Organic Substrates
Résumé
In soilless culture, the measurement of substrate’s wettability is very important due to the large use and the high content of organic materials, and
their more or less ability to become hydrophobic during drying. That can lead to retardation or resistance of water infiltration and creation of preferential
flow paths for water and solutes and then deteriorate physical properties of substrates and plant water uptake as well. In order to avoid these negative impacts for plant growth, and then to improve irrigation management, this work aimed to estimate the hydration efficiency of some main traditional and alternative organic products used as substrates under different initial moisture contents.
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