A study was conducted to compare the performance of two commercially available membranes, BW30 reverse osmosis (RO) and CTA-ES forward osmosis (FO), used to configure a membrane-based subsurface irrigation system, expected to respond to changes in the soil matrix suction potential and plant demand.The system was used for the germination of bean seeds in a silty clay loam soil on saline solutions of 0.21, 1.4 and 3.1 dS/m.The system performance was evaluated in terms of final germination, seedling growth parameters and soil quality.Plants grown under the proposed irrigation system presented germination similar to hand-watered plants, while salt accumulating in the soil was minimised.
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Lima et al. (2016) studied this question.
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