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Dr. Rasha Mohamed Mostafa El-Meihy :: Publications:

Interactive effects of biochar and micronutrients on faba bean growth, symbiotic performance, and soil properties
Authors: Ibrahim Mohamed, Rasha El-Meihy, Maha Ali, Fang Chen and Daivd Raleve
Year: 2017
Keywords: dehydrogenase, nitrogenase, N2 fixation, phosphatase, Vicia faba
Journal: J. Plant Nutr. Soil Sci.
Volume: 000
Issue: Not Available
Pages: 1-10
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Local/International: International
Paper Link:
Full paper Rasha Mohamed Mostafa El-Meihy_jpln201700293.pdf
Supplementary materials Not Available

Leguminous crops are significantly involved in the global symbiotic biological N2 Fixation (BNF), an eco-friendly process in the agriculture system. Biochar is considered as a vital amendment in improving growth and quality of crops and soils. Few investigations have been conducted to determine the combination effect of biochar with microelements on growth of legumes and soil properties. This study was designed to study the effect of soybean straw-derived biochar (SSDB) with or without microelements on soil microbial and chemical properties, growth, yield, and seed chemical composition of faba bean (Vicia faba L.). Results revealed that dehydrogenase (DHA) and phosphatase (P-ase) activities were markedly improved with the increase of SSDB rates under addition of microelements and their highest values were recorded after 90 d. Significant increases were noticed in nodulation activities, nodulation numbers (30.1–72.8), concentrations of N (1.62–1.93%), P (0.15-0.21%), and K (0.53-0.67%), and seed chemical constituents due to the addition of SSDB in the presence of microelements. Moreover, the combination of biochar with microelements caused significant changes in microbial counts. Overall, this investigation shows the potential and role of SSDB in enhancing the growth quality of faba bean seeds as well as an improvement of soil characteristics.

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