Massoud,, H., Abdel-Kader, H., Abd EI-Latif, T., Meligy, M. (2004). FEFECT OF 810 AND MINERAL FERTILIZERS ON THE PRODUCTION OF THYME (Thymus vulgaris, L.) PLANT.. Journal of Plant Production, 29(10), 5751-5762. doi: 10.21608/jpp.2004.238855
Hekmat Y. Massoud,; H. H. Abdel-Kader; T. A.T. Abd EI-Latif; Manal M. Meligy. "FEFECT OF 810 AND MINERAL FERTILIZERS ON THE PRODUCTION OF THYME (Thymus vulgaris, L.) PLANT.". Journal of Plant Production, 29, 10, 2004, 5751-5762. doi: 10.21608/jpp.2004.238855
Massoud,, H., Abdel-Kader, H., Abd EI-Latif, T., Meligy, M. (2004). 'FEFECT OF 810 AND MINERAL FERTILIZERS ON THE PRODUCTION OF THYME (Thymus vulgaris, L.) PLANT.', Journal of Plant Production, 29(10), pp. 5751-5762. doi: 10.21608/jpp.2004.238855
Massoud,, H., Abdel-Kader, H., Abd EI-Latif, T., Meligy, M. FEFECT OF 810 AND MINERAL FERTILIZERS ON THE PRODUCTION OF THYME (Thymus vulgaris, L.) PLANT.. Journal of Plant Production, 2004; 29(10): 5751-5762. doi: 10.21608/jpp.2004.238855
FEFECT OF 810 AND MINERAL FERTILIZERS ON THE PRODUCTION OF THYME (Thymus vulgaris, L.) PLANT.
1Veg. & Flor. Dept., Fac. of Agric., Mansoura Univ.
2Institute of Agriculture Research Center, Cairo.
Abstract
A nutritional study was carried out on thyme Thymus vulgaris, L. plants at the Farms of Agric. Research Center in EL-Baramon (Mansoura) and in the Laboratory of the Veg.& Flori. Dept., Fac. of Agric. Mansoura Univ. during the two seasons of (2001 and 2002). The investigation was planed to study the effect of nitrobein (2kg/fed.) and phosphorein (2kg/fed.), nitrobein (2kg/fed.) plus calcium super phosphate (150kg/fed.), phosphorein (2kg/fed.) plus ammonium sulphate (300kg/fed.) and calcium super phosphate(150kg/fed.) plus ammonium sulphate (300kg/fed.) on the vegetative growth, and yield of leaves and essential oil of thyme plant. Data were collected on plant height, number of branches/plant and fresh and dry weight of herb and leaves. In addition, essential oil of dry leaves was extracted and determined, and the thymol concentration in the essential oil was measured using G.L.C. separation. Chemical composition (nitrogen, phosphorus, potassium and total carbohydrate), percentages in dry leaves were also measured.
The results showed that in both seasons, all fertilizer treatments produced significantly better growth and yield than the untreated control. Treatments included phosphorein (phosphorein plus ammonium sulphate and nitrobein plus phosphorein) produced the tallest plants, the highest number of branches, highest fresh and dry weights of herb and leaves per plant, and the highest yield of dry leaves per feddan, followed by nitrobein plus calcium superphosphate treatment, while inorganic fertilizer only treatment was the least in all parameters.
The results also showed that the highest essential oil percentage in the dry leaves and thymol ( main constituent) content along with the highest yield of the essential oil per feddan in both seasons were produced by nitrobein plus calcium superphosphate treatment, which also resulted the highest percentages of phosphorus, potassium and total carbohydrates in dry leaves of thyme plants. Although the treatments included biofertilizers did not significantly differ in the yield of the dry leaves or the essential oil among each other, they were significantly better than using mineral fertilizers alone.
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