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Evaluation of Cobalt Application Combined with Gypsum and Compost as a Regulator of Cabbage Plant Tolerance to Soil Salinity

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Open Journal of Ecology 2023年第12期13卷 914-930页

作者： Abd-Elbaset A. Alkharpotly Mohamed A. E. Soliman Mohamed A. El-Sherpiny Ahmed G. Baddour Dina A. Ghazi Zinab A. Abdelgawad Mohamed A. Abdein Fahad Mohammed Alzuaibr Abdulrahman Alasmari abdulaziz albogami Mesfer M. Alqahtani Hebat-Allah A. Hussein Fatma M. A. Elkady Mohamed F. M. Abdelkader Horticulture Department Faculty of Agriculture and Natural Resources Aswan University Aswan Egypt Horticulture Department Faculty of Desert and Environmental Agricultural Matrouh University Mersa Matruh Egypt Soil and Water Department Faculty of Agriculture Damietta University Damietta Egypt Soil & Water and Environment Research Institute Agriculture Research Center Giza Egypt Soil Sciences Department Faculty of Agriculture Mansoura University Mansoura Egypt Botany Department Women’s College Ain Shams University Cairo Egypt Seeds Development Department El-Nada Misr Scientific Research and Development Projects Turrell Mansoura Egypt Biology Department College of Science University of Tabuk Tabuk Saudi Arabia Biology Department Faculty of Science Al-Baha University Alaqiq Saudi Arabia Department of Biological Sciences Faculty of Science and Humanities Shaqra University Ad-Dawadimi Saudi Arabia Biology Department University College of Nairiyah University of Hafr Al Batin (UHB) Nairiyah Saudi Arabia Botany Department National Research Center Cairo Egypt Department of Plant Production College of Food and Agriculture King Saud University Riyadh Saudi Arabia

In response to the global food crisis and the imperative to address soil degradation, the international agricultural policy is actively working to alleviate the adverse impacts of soil salinity. As part of this initiative, a field trial spanning two consecutive seasons (2019/20-2020/21) was conducted under saline conditions. The primary objective was to evaluate the influence of various compost sources, including vermicompost at a rate of 0.5 ton·fed-1 and plant residues compost at a rate of 5.0 ton·fed-1, as main plots. Subplots were established by applying agricultural gypsum, both in the presence and absence of gypsum requirements. Additionally, sub-subplots were created by externally applying cobalt at a rate of 10.0 mg·L-1, with one sub-subplot receiving foliar cobalt application and the other not. The trial sought to assess the growth performance, chemical composition, enzymatic antioxidants, yield, and quality of cabbage plants (Brassica oleracea var. capitata L.) cultivated in saline soil. According to the findings, cabbage plants exhibited the most favorable response in terms of plant height, chlorophyll content, carotene levels, leaf area, nitrogen (N), phosphorus (P), potassium (K), head yield, vitamin C, and total dissolved solids (TDS) when treated with vermicompost, followed by plant compost. Conversely, plants grown without compost exhibited the least improvement in performance. Cabbage treated with agricultural gypsum requirements showed better performance than those without gypsum amendment. Moreover, plants subjected to cobalt spray demonstrated the highest growth, yield, and quality parameters compared to those without cobalt foliar application. In contrast, the control group (plants without the studied treatments) displayed the highest levels of enzymatic antioxidants, specifically catalase and peroxidase. This indicates that soil salinity stress led to an increase in catalase and peroxidase production in cabbage

关键词： Vermicompost Plant Compost Gypsum Requirements Cobalt Soil Health and Crop Sustainability

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Adomian Decomposition Method for Solving Fractional Time-Klein-Gordon Equations Using Maple

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Applied Mathematics 2023年第6期14卷 411-418页

作者： Dalal albogami Dalal Maturi Hashim Alshehri Department of Mathematics King Abdulaziz University Jeddah Saudi Arabia

Adomian decomposition is a semi-analytical approach to solving ordinary and partial differential equations. This study aims to apply the Adomian Decomposition Technique to obtain analytic solutions for linear and nonlinear time-fractional Klein-Gordon equations. The fractional derivatives are computed according to Caputo. Examples are provided. The findings show the explicitness, efficacy, and correctness of the used approach. Approximate solutions acquired by the decomposition method have been numerically assessed, given in the form of graphs and tables, and then these answers are compared with the actual solutions. The Adomian decomposition approach, which was used in this study, is a widely used and convergent method for the solutions of linear and non-linear time fractional Klein-Gordon equation.

关键词： Adomian Decomposition Klein-Gordon Fractional Calculus

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