Resilience is a multidimensional concept that takes on various analytical applications based on the presence in different specialized fields,. The aim of the current research is to investigate the relationship between the features of the social system and the reorganiz More
Resilience is a multidimensional concept that takes on various analytical applications based on the presence in different specialized fields,. The aim of the current research is to investigate the relationship between the features of the social system and the reorganization of the socio-ecological systems of the agricultural sector in the context of the concept of resilience. For this purpose, 118 experts from the country's management and planning organization, the vice president for strategic planning and supervision, as the only reliable institution with a comprehensive view and using the census technique, were selected and answered questions related to the characteristics of socio-ecological agricultural systems of Iran through a questionnaire. The findings obtained using the canonical correlation analysis method showed that the characteristics of the social system have a significant relationship with the reorganization of the social-ecological systems of Iran's agriculture. The canonical correlation analysis showed two significant sets between the features of the social system and the reorganization of social-ecological agricultural systems, and the significance level of 0.000 with a probability of 99 percent confirmed the existence of a canonical correlation between the two sets of variables. The results of canonical correlation showed that the total canonical coefficient between the social system and reorganization is 0.811 x 0.811, which shows the correlation between the two hidden variables at the rate of 0.65, so such a social system plays a role, it is effective and dynamic in the context of the sustainability of the socio-ecological systems of Iran's agriculture.
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Background and Objectives: Pollutant discharge from agricultural systems as a result if agricultural activities, is one of the factors for soil and water quality. Various soil and water remediation techniques including the use of chemical amendments have been applied to More
Background and Objectives: Pollutant discharge from agricultural systems as a result if agricultural activities, is one of the factors for soil and water quality. Various soil and water remediation techniques including the use of chemical amendments have been applied to reduce the risks associated with these contaminants. This paper reviews the use of chemical amendments for immobilizing chemical amendments, the chemistry of contaminant immobilization, and environmental concerns associated with the use of these products. Total Contents of heavy metal in the soils of polluted villages of Hashtrood city and determining the relationships of these metals and soil properties are the goals of this research.Material and Methodology: The commonly used chemical amendments were grouped into aluminum-, calcium-, and iron-containing products. Other products of interest include phosphorus-containing compounds and silicate clays.Results: Mechanisms of contaminant immobilization include one or a combination of the following: surface precipitation, adsorption to mineral surfaces (ion exchange and formation of stable complexes), precipitation as salts, and co-precipitation. Reviews of environmental implications revealed that undesirable substances such as trace elements, fluoride, sulfate, total dissolved solids, as well as radioactive materials associated with some industrial wastes used as amendment could be leached to ground water or lost through run off to receiving water bodies.Discussion and Conclusion: The acidity or alkalinity associated with some of the industrial-waste amendments could also constitute a substantial environmental hazard. Chemical amendments have elements capable of affecting the activities of certain microbes that could influence geochemical processes such as mineral dissolution and formation, weathering, and organic matter mineralization.
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Pollutant discharge from agricultural systems as a result if agricultural activities is as one of the factors for soil and water quality. Various soil and water remediation techniques including the use of chemical amendments have been applied to reduce the risks associa More
Pollutant discharge from agricultural systems as a result if agricultural activities is as one of the factors for soil and water quality. Various soil and water remediation techniques including the use of chemical amendments have been applied to reduce the risks associated with these contaminants. This paper reviews the use of chemical amendments for immobilizing chemical amendments, the chemistry of contaminant immobilization, and environmental concerns associated with the use of these products. The commonly used chemical amendments were grouped into aluminum-, calcium-, and iron-containing products. Other products of interest include phosphorus-containing compounds and silicate clays. Mechanisms of contaminant immobilization include one or a combination of the following: surface precipitation, adsorption to mineral surfaces (ion exchange and formation of stable complexes), precipitation as salts, and co-precipitation. Reviews of environmental implications revealed that undesirable substances such as trace elements, fluoride, sulfate, total dissolved solids, as well as radioactive materials associated with some industrial wastes used as amendment could be leached to ground water or lost through runoff to receiving water bodies. The acidity or alkalinity associated with some of the industrial-waste amendments could also constitute a substantial environmental hazard. Chemical amendments have elements capable of affecting the activities of certain microbes that could influence geochemical processes such as mineral dissolution and formation, weathering, and organic matter mineralization.
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