Effect of Different Sources and Levels of Nitrogen Fertilizers with and without Organic and Bio-fertilizers on Growth and Yield Components of Fennel Plants (Foeniculum vulgare Mill.)

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Ibrahim A. Youssef
Mohamed E. Ali
Esmat H. A. Noufal
Safwat A. Ismail
Maha M. E. Ali


Two field experiments were conducted in a newly reclaimed land at a private farm in Village No 8,  El-Minia Governorate, Egypt during two successive seasons (2017/2018) to evaluate the effect of integrated nitrogen fertilizer sources with organic and bio-fertilization on growth and yield components of the fennel plant. The experiment was arranged in a split- split-plot design. The organic treatments (0.0 and 5.0 t compost t/fed.) were arranged in main plots, nitrogen treatments (0.0, 10.0, 50.0 and 80.0 kg N/fed.) as urea or ammonium sulphate were allocated in subplots and bio-fertilizer treatments (without and with) were applied in sub-sub plots. The main effects of compost, nitrogen fertilization and bio-fertilizer showed that the maximum values of plant height, dry weight/plant, number of branches/plant, number of mumble/plant, number of umbellule's/umble and 1000-fruits  weight were attained under 5 t/fed compost,  80 kg N/fed as ammonium sulphate with bio-fertilizer. The results of the interaction among treatments indicated that combined 5.0 t compost /fed with 50 kg N/fed as ammonium sulphate and using bio-fertilizer exhibited the highest values of growth and yield components of fennel. Meanwhile, we can save about 30 kg N/fed by treated fennel plants with organic and bio-fertilizers without any reduction in vegetative growth.

Compost, mineral fertilizer, bio-fertilizer, growth and yield components

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How to Cite
Youssef, I. A., Ali, M. E., Noufal, E. H. A., Ismail, S. A., & Ali, M. M. E. (2020). Effect of Different Sources and Levels of Nitrogen Fertilizers with and without Organic and Bio-fertilizers on Growth and Yield Components of Fennel Plants (Foeniculum vulgare Mill.). Asian Journal of Soil Science and Plant Nutrition, 6(1), 6-14. https://doi.org/10.9734/ajsspn/2020/v6i130077
Original Research Article


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