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Open AccessArticle

Effect of Irrigation Systems and Soil Conditioners on the Growth and Essential Oil Composition of Rosmarinus officinalis L. Cultivated in Egypt

1
Medicinal and Aromatic Plants Research Department, National Research Centre, Dokki 12622, Cairo, Egypt
2
Department of Chemistry and Pharmacy, Sassari University, 07100 Sassari, Italy
3
Department of Chemistry, University of Turin, via Pietro Giuria 7, 10125 Turin, Italy
*
Authors to whom correspondence should be addressed.
Sustainability 2020, 12(16), 6611; https://doi.org/10.3390/su12166611
Received: 3 July 2020 / Revised: 5 August 2020 / Accepted: 13 August 2020 / Published: 15 August 2020
A relevant improvement of the cultivar conditions of Rosmarinus officinalis L. in desert areas was achieved by a specific combination between an irrigation system and soil conditioner. A drastic reduction in water employment was obtained without affecting the quality of the plants, which was determined by monitoring the growth parameters and essential oil characteristics. In particular, the effect of surface and subsurface drip irrigation systems and different soil conditioners on the growth parameters, yield, and essential oil constituents of rosemary plants was assessed. Field experiments at the Agricultural Research Station (Al-Adlya farm), SEKEM Group Company, El-Sharkiya Governorate, Egypt, conducted over the two seasons, revealed the effectiveness of subsurface irrigation systems in obtaining better performances, especially in terms of saving water. The combination of subsurface irrigation and the conditioner HUNDZ soil with bentonite showed the maximum mean values of growth characteristics compared with other soil amendments during both seasons. The possibility to employ a water-saving irrigation system at the subsurface level without any drawback in the resulting plants was also explored in terms of molecular composition. Gas chromatography-mass (GC-MS) analysis of the essential oils extracted from plants grown under different irrigation conditions revealed a comparable composition in both cases. The quality of the system that showed the best performance was also confirmed by the comparable yield of the essential oil. View Full-Text
Keywords: Rosmarinus officinalis L.; surface and subsurface drip irrigation; bentonite; HUNDZ conditioner; essential oil Rosmarinus officinalis L.; surface and subsurface drip irrigation; bentonite; HUNDZ conditioner; essential oil
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MDPI and ACS Style

Omer, E.; Hendawy, S.; ElGendy, A.N.; Mannu, A.; Petretto, G.L.; Pintore, G. Effect of Irrigation Systems and Soil Conditioners on the Growth and Essential Oil Composition of Rosmarinus officinalis L. Cultivated in Egypt. Sustainability 2020, 12, 6611. https://doi.org/10.3390/su12166611

AMA Style

Omer E, Hendawy S, ElGendy AN, Mannu A, Petretto GL, Pintore G. Effect of Irrigation Systems and Soil Conditioners on the Growth and Essential Oil Composition of Rosmarinus officinalis L. Cultivated in Egypt. Sustainability. 2020; 12(16):6611. https://doi.org/10.3390/su12166611

Chicago/Turabian Style

Omer, Elsayed; Hendawy, Saber; ElGendy, Abdel N.; Mannu, Alberto; Petretto, Giacomo L.; Pintore, Giorgio. 2020. "Effect of Irrigation Systems and Soil Conditioners on the Growth and Essential Oil Composition of Rosmarinus officinalis L. Cultivated in Egypt" Sustainability 12, no. 16: 6611. https://doi.org/10.3390/su12166611

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