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. Sustainability2020, 12, 6611.
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.
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. Sustainability2020, 12, 6611.
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.
Abstract
A relevant improvement of the cultivar conditions of Rosmarinus officinalis L. in desert areas was achieved by a specific combination between irrigation system and soil conditioner. A drastic reduction of water employment was obtained without affect the quality of the plants, determined by monitoring growth parameters and essential oil characteristics. In particular, the effect of surface and subsurface drip irrigation systems and different soil conditioners on growth parameters, yield, and essential oil constituents of rosemary plant 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 the subsurface irrigation system in obtaining better performances, especially in terms of water saving. The combination of subsurface irrigation and the conditioner Hundz soil with bentonite showed the maximum mean values of growth characters compared with other soil amendments during both seasons. The possibility to employ a water-saving irrigation system as the subsurface one without any drawback in the resulting plants was also explored in terms of molecular composition. GC-MS analysis of the essential oil extracted from plants growth under different irrigation conditions revealed a comparable composition in both cases. The goodness of the most performing system was also confirmed by the comparable yield of the essential oil.
Chemistry and Materials Science, Applied Chemistry
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