Excess use of chemical fertilizers has led to the contamination of groundwater with nitrate which is poisonous to man and animals in large concentrations. We use the environmental impact quotient eiq developed by kovach et al. The existing environment of the krian river basin in malaysia is not in its natural. Kesner dabady and pierre tulk heavy use of toxic pesticides in agriculture worldwide has raised serious concerns about health issues. The chemicals, which run off and mix with lakes, streams or other water openings on the surface level, encourages the growth of algae, which causes death to the water animals and also adversely affects the nature and the environment. Methyl bromide use background document, historical methyl. Pdf pesticides are used to kill the pests and insects which attack on crops and harm them. Effects of nuclear pollution the effects vary from organism to organism and from level of radioactivity of nuclear isotopes. The radiations destroy the cells in human body and causes cancer. On one hand, agrochemicals increase plant and animal crop production and on the other hand they cause of a lot of damage to the environment. Agrochemicals are the result of modern technology that depends on inorganic fertilizers and pesticides.
Nature and origins of pollution of aquatic systems by pesticides. The impact of rapid technological change on sustainable. Over 10 million scientific documents at your fingertips. A great potential for adverse effects of pesticides is through contamination of the.
Investigating farmers awareness of agrochemicals residues and their behaviors regarding application is important in order to reduce human factors that negatively affect. The impact of pesticides on the environment springerlink. The effects of agrochemicals on an aquatic ecosystem. At its twentyfirst session in may 2018, in geneva, the commission on science and technology for development selected the impact of rapid technological change on. This study was performed to identify agrochemicals used in different areas along the river nyando drainage basin in both the large and smallscale agriculture through participatory rural appraisal pra methods bernard, 1994. Pdf effects of pesticides on environment researchgate. This was in assessing the effects of agrochemicals on environment and human health in the basin. Agrochemicals and their effects on the environment agrochemicals they are the generic name given to chemicals fertilizers, pesticides, insecticides, etc. Agrochemicals and their effects on soil, water and air. A longer exposure to radioactive radiations can damage the dna cells that results in cancer, genetic defects for the generations to come and even death.