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Effect of planting space and some biofertilization on plant growth, yield and chemical composition of lemon balm (Melissa officinalis L.) plants [electronic resource].

By:

Massoud, Hekmat Y

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Language: English Summary language: Arabic Description: p.889-905Other title:

تأثير مسافة الزراعة وبعض الأسمدة الحيوية على النمو والمحصول فى نبات الترنجان [Added title page title]

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Mansoura University Journal of plant production, 2012 v. 3 (5) [electronic resource].

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In: Mansoura University Journal of Plant Production 2012.v.3(5)Summary: Therefore, an experiment was undertaken to determine the suitable planting spaces (40, 50 and 60 cm) of Melissa officinalis L., plant and the best treatment of nitrogen, phosphate and potassium biofertilizers treatments plus half dosage of the full recommended dose of NPK mineral fertilizer. Results showed that planting spaces recorded various different effects on growth characters. The narrow space (40 cm) resulted in the tallest plants, the highest Leaves and essential oil yield per fed, while the wider space (60 cm) produced the heaviest leaves dry weight per plant, the highest number of branches, essential oil percentage, total chlorophyll content as well as N, P, K and total carbohydrates percentages. The most growth characters and yield as well as chemical composition improved and increased when soil was inoculated by a different inoculums of nitrogen-fixing bacteria (nitrobein), Bacillus polymyxa as a phosphate dissolving bacteria (phosphorein), and foliar spray of potassium as a (potassein-p) were used in combination with half of the full recommended dose of NPK mineral fertilizer compared with the control treatment received only the full recommended dose of NPK mineral fertilizer.

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Therefore, an experiment was undertaken to determine the suitable planting spaces (40, 50 and 60 cm) of Melissa officinalis L., plant and the best treatment of nitrogen, phosphate and potassium biofertilizers treatments plus half dosage of the full recommended dose of NPK mineral fertilizer. Results showed that planting spaces recorded various different effects on growth characters. The narrow space (40 cm) resulted in the tallest plants, the highest Leaves and essential oil yield per fed, while the wider space (60 cm) produced the heaviest leaves dry weight per plant, the highest number of branches, essential oil percentage, total chlorophyll content as well as N, P, K and total carbohydrates percentages. The most growth characters and yield as well as chemical composition improved and increased when soil was inoculated by a different inoculums of nitrogen-fixing bacteria (nitrobein), Bacillus polymyxa as a phosphate dissolving bacteria (phosphorein), and foliar spray of potassium as a (potassein-p) were used in combination with half of the full recommended dose of NPK mineral fertilizer compared with the control treatment received only the full recommended dose of NPK mineral fertilizer.

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