At present, heavy metal contamination such as
domestic issues that should be worried. If the soil contains quantities of heavy metals have been collected. Output there
Toxic contamination contamination, which it brought to the impact on consumers. With the popularity
safe non-toxic food intake has increased, as well as to prepare the community entered into FTA
.The ASEAN economy. The quality of the soil, so it is important to take into consideration
arsenic is a heavy metal that has been contaminated in nature one of the most important, because arsenic inorganic
.High toxicity and related to agriculture because inorganic arsenic has been used as an ingredient in the production of powerful herbicides. Drug eradication of pests and fungi. In addition to nature itself,
Objects, the origin of the soil contamination could affect as well. Where in nature as the mineral with arsenic, copper, lead and zinc sulfide
spread of arsenic in the area caused by a decay process in ruins by
.The nature of the Earth and man's mining activities. Domestic Thai year 2530 (1987) talents found arsenic contamination in soil
. At Ron phibun district, Nakhon SI thammarat (21-14000 mg/kg)
.And saving the District 2-star in Yala Province (540-16000 mg/kg) year 2551 (2008) PCD check
found contamination arsenic in Ta eat soil of Huai steel Loei (538 mg/kg) in the year 2552 (2009) Department
.Environmental quality promotion found arsenic contamination in suphan buri province (22-380 mg/kg)
in addition to study of the Ministry of natural resources and the environment. A report that found the risk area
25. arsenic contamination in areas where they are in the risk group, i.e. coal mining area. Gold, silver, Tin and lead non-
have a great mining management
.Therefore, aware of the quantity of arsenic contamination in the soil of the country's agricultural area is Thai
needed to farm safety and the safety of food and export crops
.Productivity of Thai country. For this research project is a study on quantity of arsenic in soil agricultural areas to
as preliminary information to plan, manage, and troubleshoot further.
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