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agricultural chemicals
On the basis of long-term studies, the role of agricultural chemicals in enhancing the production process and the rate of nitrate accumulation in plants is shown.
      
golf courses, soccer and baseball fields), spraying of agricultural chemicals, forestry and construction works, etc.
      
Growing concern about the decline of amphibian populations has highlighted the need to assess the potential impact of agricultural chemicals on these animals.
      
Cytokinetic and cytogenetic effect of agricultural chemicals on human lymphoid cells in vitro
      
The results from a survey of the expert information that is publicly accessible on the use of the dog as test species during the regulatory evaluation of agricultural chemicals and pesticides are reported.
      
Since the data submitted for registration of a product is the property of the manufacturer, the study could only proceed with the collaboration of the German Association of Manufacturers of Agricultural Chemicals (Industrieverband Agrar, IVA).
      
Thus, the report concludes that, according to current scientific knowledge, the routine 12-month studies in dogs are no longer required for agricultural chemicals and pesticides, and international regulations should be changed accordingly.
      
Although the beagle is extensively used in the safety assessment studies of new drug candidates and agricultural chemicals, only a limited number of studies have been reported on the significance of the CYP isozyme polymorphism in dogs.
      
4-Methylimidazole (4MI) is used in the manufacture of pharmaceuticals, photographic chemicals, dyes and pigments, cleaning and agricultural chemicals, and rubber.
      
With this basis, the model can be used to assess the potential for contamination of aquifers by surface activities such as landfitling of wastes or application of agricultural chemicals.
      
The negative impacts associated with agricultural production, and the use of conventional tillage systems in particular, include soil erosion, energy use, leaching and runoff of agricultural chemicals, and carbon emissions.
      
Water budgets are essential when examining the movement of agricultural chemicals as well as nutrients within the system.
      
Organic solvents have been used as an aid in the application of pesticides and other agricultural chemicals to soil, in studying the effects of these chemicals on denitrification in soil.
      
Occupational exposure to agricultural chemicals: effect on the activities of some enzymes in the blood of farm workers
      
Conclusion: This preliminary study suggests that erythrocyte SOD is a sensitive indicator of exposure to agricultural chemicals in tobacco field workers.
      
Recent epidemiological and experimental studies indicate that exposure to environmental agents, including a number of agricultural chemicals, may contribute to the pathogenesis of this disorder.
      
Recently, agricultural chemicals, when administrated systemically, have been shown to reproduce specific features of PD in rodents, thus opening new routes for the development of animal models for this disorder.
      
Effects of topography on the transport of agricultural chemicals to groundwater in a sand-plain setting
      
Geochemical data were collected to investigate the effects of topography and focused recharge on the transport of agricultural chemicals to groundwater through sandy soils.
      
Agricultural chemicals that move readily with water were most directly affected by focused recharge to the lowland site.
      
 

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