Studies on soil physico-chemical properties and biochemical composition of selected vegetables collected from locally irrigated farmland with municipal wastewater in Minna, Niger State, Nigeria

IF 0.9 4区 生物学 Q4 PLANT SCIENCES Israel Journal of Plant Sciences Pub Date : 2023-06-22 DOI:10.1163/22238980-bja10082
A. A. Gado, I. A. Salihu, Muhammad A.I. Audu, Alhaji L. Abubakar, Y. Daudu, M. A. Salihu
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Abstract

Vegetables have become an indispensable part of human nutrition. This study aimed at analyzing the biochemical compositions of three leafy vegetables (Corchuorus olitorius, Telfairia occidentalis and Spinacia oleracea) collected from local farm irrigated with municipal wastewater. The biochemical parameters were assayed following standard laboratory protocols. Results revealed significantly (P < 0.05) higher Ca (207.33 mg/kg) and Mg (182.53 mg/kg) contents in wastewater with Mg contents in both clean water (72.80 mg/kg) and wastewater (182.53 mg/kg) exceeding the FAO safe limits. The wastewater had significantly (P < 0.05) higher (Fe) and (Cd) contents (1.72 and 0.42 mg/kg), than clean water from the modern farm (0.67 and 0.13 mg/kg). Both water samples had heavy metals, exceeding the FAO safe limits. The Mn, Fe and Pb contents determined in the three vegetables collected from both farms were within FAO safe limits except Cd content which ranged from 0.05–0.87 mg/kg which is above FAO acceptable limits of 0.02 mg/kg. Results on mineral composition revealed significantly higher (P < 0.05) Na, K, Ca and Mg contents in the three vegetables collected from the local farm, Telfairia occidentalis having the highest Na (123.33 mg/kg), K (6500 mg/kg) and P (6.19 mg/kg) while, Corchuorus olitorius had the highest Ca (2.15 mg/kg) and Mg (2.12 mg/kg). The result of this study shows that municipal wastewater irrigation could be utilized in improving the mineral compositions of leafy vegetables. However, it is highly recommended that the wastewater is treated properly to avoid heavy metal contamination.
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尼日利亚尼日尔州米纳市城市污水灌溉农田土壤理化性质及部分蔬菜生化组成研究
蔬菜已经成为人类营养不可或缺的一部分。本研究旨在分析从城市污水灌溉的当地农场采集的三种叶菜(Corchuorus olitorius、Telfortusa occidentalis和Spinacia oleracea)的生化成分。按照标准实验室方案测定生化参数。结果显示,Ca(207.33)显著升高(P<0.05) mg/kg)和mg(182.53 mg/kg)含量与两种清洁水中的镁含量(72.80 mg/kg)和废水(182.53 mg/kg)超过粮农组织安全限值。废水中的(Fe)和(Cd)含量显著高于(P<0.05)(1.72和0.42 mg/kg),比现代农场的清洁水(0.67和0.13 mg/kg)。两个水样都含有重金属,超过了粮农组织的安全限值。从两个农场采集的三种蔬菜中测定的Mn、Fe和Pb含量均在粮农组织的安全范围内,但Cd含量在0.05–0.87之间 mg/kg,高于粮农组织0.02的可接受限度 mg/kg。矿物成分分析结果表明,从当地农场采集的三种蔬菜的Na、K、Ca和Mg含量均显著高于对照组(P<0.05) mg/kg),K(6500 mg/kg)和P(6.19 mg/kg),而小珊瑚的Ca含量最高(2.15 mg/kg)和mg(2.12 mg/kg)。研究结果表明,城市污水灌溉可以改善叶菜的矿物质组成。然而,强烈建议对废水进行适当处理,以避免重金属污染。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Israel Journal of Plant Sciences
Israel Journal of Plant Sciences 生物-植物科学
CiteScore
1.90
自引率
0.00%
发文量
17
审稿时长
>12 weeks
期刊介绍: The Israel Journal of Plant Sciences is an international journal of extensive scope that publishes special issues dealing with all aspects of plant sciences, including but not limited to: physiology, cell biology, development, botany, genetic
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