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Water 2018, 10(2), 125; https://doi.org/10.3390/w10020125

Cascade Cropping System with Horticultural and Ornamental Plants under Greenhouse Conditions

1
Agronomy Department of Superior School Engineering, University of Almería, Agrifood Campus of International Excellence ceiA3, Ctra. Sacramento s/n, La Cañada de San Urbano, 04120 Almería, Spain
2
Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovića 8, 21000 Novi Sad, Serbia
*
Author to whom correspondence should be addressed.
Received: 29 December 2017 / Revised: 26 January 2018 / Accepted: 27 January 2018 / Published: 30 January 2018
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Abstract

The blending of drainage with water of low electrical conductivity and the sequential reuse of the drainage water are innovative technologies to manage salts in agricultural drainage. Plants of Cucumis melo were grown in coir grow bags, and Rosmarinus officinalis and Cacti spp. were grown in pots with a mixture of sphagnum peat-moss and perlite. In order to assess the effect and evolution over time of these water treatments on plant growth and water management and removal of nutrients, three water treatments were applied over a period of eight weeks. These were: (1) standard nutrient solution; (2) blended water treatment (drainage water blended with water of low electrical conductivity (EC)) and (3) sequential reuse of drainage water treatment. During the experimental growing period, samples of water supplies and drainages generated in each water treatment were collected weekly and from these data water volume and nutrient loads were calculated. At the end of the experiment, leaf fresh weight of rosemary plants decreased under the fertigation with the blended and sequential reuse water treatments. Nevertheless, the application of blended and sequentially reused water allowed for the saving of significant amounts of water and nutrients in comparison to the standard nutrient solution treatment. Considering these advantages, we strongly recommend the setting-up of these water treatments in areas with water scarcity such as in the Mediterranean Basin. View Full-Text
Keywords: blending water; Cucumis melo; drainage water; Rosmarinus officinalis; water footprint; water-sequential reuse blending water; Cucumis melo; drainage water; Rosmarinus officinalis; water footprint; water-sequential reuse
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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García-Caparrós, P.; Llanderal, A.; Maksimovic, I.; Lao, M.T. Cascade Cropping System with Horticultural and Ornamental Plants under Greenhouse Conditions. Water 2018, 10, 125.

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