Agrochemicals play a significant role in causing Air Pollution.

 

Agrochemicals 

The agrochemicals sprayed in agricultural fields fouled the air, which floated out to other locations, posing a harm to animals. Due to the movement of air and ocean currents and the enrichment of biological pesticides, residues of DDT, lindane, and aldrin were identified near the equator in India and at high altitudes in icy locations, including the Greenland ice sheet. According to Vorkamp and Riget (2014), the pesticide organothiophosphate was found in the Arctic region's air and ocean, confirming the long-range transit of these agrochemicals.

Agrochemicals are chemical compounds designed specifically for use in agriculture to boost crop output and protect crops against pests, insects, weeds, fungus, and other problems. Agrochemicals can be manufactured using both chemical and biological processes. Synthetic agrochemicals are harmful to the environment and are increasingly being phased out in favour of bio-based insecticides and fertilisers. Pesticide methods have considerably improved as synthetic chemical manufacturing has evolved to serve the hugely rising world population and the resulting increases in food consumption. Despite the successful use of pesticides, it is estimated that up to 40% of the world's crops are ruined by plant pests and diseases.

Endosulfan has also been found in animals from Greenland. Weather variables during pesticide application also have an impact on agrochemical spread. As a result, the amount of inhalable agrochemicals in the environment varies with the season. Other factors influencing pesticide residue mixing in the air include agrochemical solubility in soil, soil texture, molecular characteristics, and agrochemical concentration.

Spraying agrochemicals at ground level has less possibility of drifting in the air than aerial application. Farmers must be taught about the dangers of these agrochemicals, and they can create a buffer zone surrounding their farms by planting noncrop vegetation such as evergreen trees. These tree borders surrounding agricultural fields act as a windbreak and absorb agrochemicals, preventing them from drifting into other regions.

Pesticides and other agrochemicals are used in the Mekong Delta to preserve, control, and improve agricultural produce. However, once sprayed, the chemicals enter not just the agricultural region, but also the larger ecosystem via natural hydrological processes. Accumulation of agrochemicals in soil and water can have a severe influence on aquaculture, potentially compromising farm stock health and welfare, yield quality, and even human food safety.

Since a result, the usage of agrochemicals and their fate is of significant concern to the Mekong Delta aquaculture business, as it may have an impact on the sector's long-term growth. Pham (2012) investigated pesticide usage, distribution, and accumulation in the lower Mekong Delta of Vietnam using GIS and spatial models.

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