scholarly journals Mathematical Evaluation of the Effect of Agrochemicals on Human Health

2019 ◽  
Vol 1 ◽  
pp. 236-245
Author(s):  
G O Agaba
Keyword(s):  
Human Health ◽  
Agricultural Sector ◽  
Toxic Chemicals ◽  
Agricultural Activities ◽  
Toxic Chemical ◽  
Careful Evaluation ◽  
Chemical Residues ◽  
Seirs Epidemic Model ◽  
Mathematical Evaluation ◽  
The Impact

The fast growing economical and political needs and demands for increase agricultural activities and produces in most parts of the world necessitate the need for a careful evaluation of the general crop cultivation processes and the increasing usage of diverse toxic chemicals in the form of pesticides, fertilizers, etc. in the agricultural sector to control pests and weeds to improve soil nutrients during cultivation and in some cases, for preservation of cultivated crops. Agrochemicals are used in a manner that suggests farmers do not take into cognisance the fact that residue of the chemicals which is harmful to man is always left on such foods. This paper applies a mathematical model to examine the impact of agrochemicals on human health by using the conventional principle of an SEIRS epidemic model. From the overall outcome, it was observed that the consumption of these hazardous plants before the elapse of the incubation (waiting) period affect the human health negatively. Consequently, the need for a wake up call to all farmers, agricultural workers, Government and Non-Governmental monitoring agencies to arise to the task of saving human lives from these toxic chemical residues in agricultural produces.

Toxic Chemical Pollution of the St. Lawrence River (Canada) and its Upper Estuary

1988 ◽  
Vol 20 (6-7) ◽  
pp. 77-88 ◽  
Author(s):  
R. J. Allan
Keyword(s):  
Toxic Chemicals ◽  
Chemical Pollution ◽  
Transport Mechanisms ◽  
Toxic Chemical ◽  
Water Research ◽  
Chemical Pollutants ◽  
Estuarine Zone ◽  
The Impact ◽  
National Water ◽  
St Lawrence River

Decline of the Beluga whale population in the upper estuary of the St. Lawrence River may be related to the high content of toxic metals and organic chemicals in their tissues. For three years, the National Water Research Institute has conducted research cruises of the St. Lawrence River to identify the major toxic chemical pollutants in the river and to determine their transport to, and fate in, the upper estuary. The impact of toxic chemicals in the estuarine zone is tied not only to their fate in the increasing salinity and turbidity zone of the upper estuary but to their source, transport mechanisms, and fate in the upstream river.

scholarly journals A Schematic Method for Sustainable Material Selection of Toxic Chemicals in Design and Manufacturing

2010 ◽  
Vol 132 (9) ◽  
Author(s):  
Chris Y. Yuan ◽  
David A. Dornfeld
Keyword(s):  
Human Health ◽  
Material Selection ◽  
Selection Process ◽  
Health Impact ◽  
Toxic Chemicals ◽  
Critical Parameters ◽  
Toxic Chemical ◽  
Sustainable Material ◽  
Human Health Impact ◽  
Design And Manufacturing

Toxic chemicals used in product design and manufacturing are grave concerns due to their toxic impact on human health. Implementing sustainable material selection strategies on toxic chemicals can substantially improve the sustainability of products in both design and manufacturing processes. In this paper, a schematic method is presented for characterizing and benchmarking the human health impact of toxic chemicals, as a visual aid to facilitate decision-making in the material selection process for sustainable design and manufacturing. In this schematic method, the human health impact of a toxic chemical is characterized by two critical parameters: daily exposure risk R and environmental persistence T. The human health impact of a toxic chemical is represented by its position in the R−T two-dimensional plot, which enables the screening and benchmarking of toxic chemicals to be easily made through comparing their relative positions in the characterization plot. A case study is performed on six toxic chemicals commonly used as solvents for cleaning and degreasing in product development and manufacturing.

scholarly journals Microplastic-Toxic Chemical Interaction: A Review Study on Quantified Levels, Mechanism and Implication

2019 ◽  
Author(s):  
Verla Andrew Wirnkor ◽  
Enyoh Christian Ebere ◽  
Verla Evelyn Ngozi ◽  
Nwanorh Kieran Oharley
Keyword(s):  
Crude Oil ◽  
Oil Pollution ◽  
Chemical Interaction ◽  
Health Effect ◽  
Toxic Chemicals ◽  
Chemical Pollution ◽  
Chemical Toxicity ◽  
Toxic Chemical ◽  
Potential Health ◽  
The Impact

Current problem facing researchers globally is microplastics as well as toxic chemical pollution of the ecosystem. Microplastics carry toxic chemicals in the ecosystem.serving as a vector for transport. In this study, a review of the literature has been conducted with the following objectives: (1) to summarise the concentrations of toxic chemicals such heavy metals and hydrophobic organic contaminants sorped on microplastics; (2) to evaluate their spatial distribution regarding adsorbed contaminant (3) to discuss plausible mechanism by which microplastics adsorp or desorp toxic chemicals in the environment; (4) to discuss implications of their occurrence in air, water and soil media; and (5) to discuss the impact of ingested microplastics to human health. Microplastics are ubiquitous environmental contaminant. Concentrations of sorped toxic chemical varied with location which represents a local problem; industrialized areas (especially areas experiencing crude oil related activities or have history of crude oil pollution) have higher concentrations than less industrialized areas. Ingestion of microplastics has been demonstrated in a range of marine and soil organisms as well as edible plants, thus possible contaminating the base of the food-web. Potential health effect to human is by particle localization, chemical toxicity and microbal toxins. We conclude by highlighting the gap in knowledge and suggesting key future areas of research for scientists and policymakers.

The impact of participation in non-agricultural activitieson agricultural development

2017 ◽  
Author(s):  
Zahra Noori Tupkanloo ◽  
Saeed Yazdani
Keyword(s):  
Agricultural Development ◽  
Agricultural Sector ◽  
Linear Regression Analysis ◽  
Agricultural Activities ◽  
Cross Sectional ◽  
Agricultural Investment ◽  
Main Research ◽  
Industrial Estate ◽  
The People ◽  
The Impact

In this study, the impact of participation in non- agricultural activities on agricultural development have been studied. To achieve the objectives, the data in this study is related to the years 2016-2017. The studied population consisted of all farmers of five villages adjacent to Khayyam industrial estate that includes 544 persons which have been chosen randomly as the sample. The sample size was 358 based on Cochran formula and random stratified proportional to population size was used to choose the people of these villages. The research method is Cross - sectional. The main research tool was a questionnaire in order to gather the necessary information. In order to test the hypothesis, linear regression analysis was used. The results showed that farmers’ participation in non-agricultural activities based in the industrial estate of Khayyam decreases agricultural production, reduces farmers’ incomes, reduces farmers’ demand for production inputs, reduces input purchasing power by farmers and decreases agricultural investment in the agricultural sector.

DAMPAK KEBIJAKAN FISKAL TERHADAP KINERJA SEKTOR PERTANIAN DI SULAWESI TENGGARA

2017 ◽  
Vol 1 (1) ◽  
Author(s):  
La Ode Jabuddin ◽  
Ayub M Padangaran ◽  
Azhar Bafadal Bafadal
Keyword(s):  
Fiscal Policy ◽  
Interest Rates ◽  
Agricultural Sector ◽  
Simultaneous Equations ◽  
Poor People ◽  
Land Area ◽  
Factors Affecting ◽  
Historical Simulation ◽  
The Impact ◽  
Direct Expenditure

This study aims to: (1) Knowing the dynamics of fiscal policy and the performance of the agricultural sector, (2) Analyze the factors that influence fiscal policy and the performance                   of the agricultural sector, and (3) Analyzing the impact of fiscal policy on the performance of the agricultural sector. The data used in this study were pooled 2005-2013 data in the aggregate. Econometric model the impact of fiscal policy on the performance of the agricultural sector is built in the form of simultaneous equations, consisting of 7 equations with 25 total variables in the model, 7 endogenous variables, 12 exogenous variables, and 6 variables lag. The model is estimated by 2SLS method SYSLIN procedures and historical simulation with SIMNLIN procedure.The results showed that: (1) The development of fiscal policy in Southeast Sulawesi from year to year tends to increase, (2) The performance of the agricultural sector from the aspect of GDP has decreased, from the aspect of labor is still consistent, in terms of investment to grow positively, and assign roles which means to decrease the number of poor people, (3) factors affecting fiscal policy is local revenues, equalization funds, other revenues, as well as the lag fiscal policy, (4) the factors that affect the performance of the agricultural sector from the aspect GDP is labor, direct expenditure and GDP lag; from the aspect of labor is the total labor force, investment, land area, direct expenditure, as well as the lag of labor; from the aspect of investment is influenced by GDP per capita, land area, interest rates and investment lag; as well as from the aspect of poor people, are affected by population, investments, direct expenditure and poverty lag, (5). Fiscal policy impact on the agricultural sector GDP increase, a decrease in the number of poor, declining agricultural laborers, and a decrease in the amount of investment in the agricultural sector.Keywords: Fiscal policy, the performance of the agricultural sector, the simultaneous equations

Reclamation park as a tool to improve the efficiency of managing the agricultural sector (on the example of the Rostov region)

2019 ◽  
pp. 38-46
Author(s):  
I.P. Abramenko ◽  
L.A. Novoselskaya ◽  
R.V. Revunov ◽  
Yanchenko
Keyword(s):  
Russian Federation ◽  
Agricultural Sector ◽  
Economic Effects ◽  
Regulatory Mechanisms ◽  
Industrial Complex ◽  
Agricultural Activities ◽  
Rostov Region ◽  
Socio Economic Development ◽  
The Russian Federation ◽  
Stimulation Of

The article considers the reclamation park, which is an instrument of state stimulation of the development of economic entities of the agro-industrial complex on irrigated lands. On the example of the Rostov region, the authors analyzed the organizational, economic and regulatory mechanisms for the functioning of reclamation parks, as well as the socio-economic effects that arise in connection with the implementation of the specified tools. The results obtained can be used by state authorities of the Russian Federation, a constituent entity of the Russian Federation when drawing up plans for socio-economic development, developing strategies and programs, as well as by economic entities in managing agricultural activities.

Role of Nutraceuticals in Health Promotion and Disease Prevention: A Review in the Indian Context

2020 ◽  
Vol 19 (2) ◽  
pp. 139-145
Author(s):  
Sheena Chhabra ◽  
Apurva Bakshi ◽  
Ravineet Kaur
Keyword(s):  
Health Promotion ◽  
Disease Prevention ◽  
Human Health ◽  
Health Issues ◽  
Scholarly Literature ◽  
Indian Context ◽  
The Impact ◽  
Immense Potential ◽  
Specific Health

Nutraceuticals have been around for quite some time. As the nomenclature suggests, they are placed somewhere between food (nutra-) and medicine (-ceuticals) in terms of their impact on human health. Researches have focused on the impact of various types of nutraceuticals on health, their efficacy in health promotion and disease prevention, and often on suitable uses of certain categories of nutraceuticals for specific health issues. However, we are still far from utilizing the immense potential of nutraceuticals for benefiting human health in a substantial manner. We review the available scholarly literature regarding the role of nutraceuticals in health promotion, their efficacy in disease prevention and the perception of nutraceuticals' health benefits by consumers. Thereafter we analyze the need for regulation of nutraceuticals and various provisions regarding the same.

A Macroeconomic Analysis of Agricultural Sector in Nigeria

2019 ◽  
Vol 5 (1) ◽  
pp. 18-25
Author(s):  
Isah Funtua Abubakar ◽  
Umar Bambale Ibrahim
Keyword(s):  
Value Chain ◽  
Crop Production ◽  
Agricultural Sector ◽  
Time Series Data ◽  
Tourism Industry ◽  
Series Data ◽  
Size Analysis ◽  
The Real ◽  
Real Gdp ◽  
The Impact

This paper attempts to study the Nigerian agriculture industry as a panacea to growth as well as an anchor to the diversification agenda of the present government. To do this, the time series data of the four agriculture subsectors of crop production, livestock, forestry and fishery were analysed as stimulus to the Real GDP from 1981-2016 in order to explicate the individual contributions of the subsectors to the RGDP in order to guide the policy thrust on diversification. Using the Johansen approach to cointegration, all the variables were found to be cointegrated. With the exception of the forestry subsector, all the three subsectors were seen to have impacted on the real GDP at varying degrees during the time under review. The crop production subsector has the highest impact, however, taking size-by-size analysis, the livestock subsector could be of much importance due to its ability to retain its value chain and high investment returns particularly in poultry. Therefore, it is recommended that, the government should intensify efforts to retain the value chain in the crop production subsector, in order to harness its potentials optimally through the encouragement of the establishment of agriculture cottage industries. Secondly, the livestock subsector is found to be the most rapidly growing and commercialized subsector. Therefore, it should be the prime subsector to hinge the diversification agenda naturally. Lastly, the tourism industry which is a source through which the impact of the subsector is channeled to the GDP should be developed, in order to improve the impact of such channel to GDP with the sole objective to resuscitate the forestry subsector.

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