The highest amount of pesticides used in vegetable and fruit farming, where market pressure for appearance is higher. Since pesticides were first imported into Thailand under the “Green Revolution Policy”, as part of the 1st National Economic and Social Development Plan in 1966, the total amount of imported pesticides has dramatically increased year by year (Figure 2), and most pesticides used in the country are imported (Department of Pollution Control 2005). The quantities of imported agricultural pesticides have increased drastically from 1994 to 2005 (Figure 2). In 1994, most of imported pesticides were organophosphates, followed by carbonates. In 2000, organophosphates still contributed the majority of imported pesticides followed by carbonates and organochlorines (Department of Pollution Control 2002). In 2000, the entire amount of imported pesticides was about 40000 tones, which cost about 7294 million baht. Most were herbicides, followed by insecticides, disease control agents and plant growth regulators. Using WHO hazard categories, 54% of imported insecticides fell into the extremely hazardous category (Ia) and highly hazardous (Ib)
categor (Pingali and Rosegrant, 1993).
The highest amount of pesticides used in vegetable and fruit farming, where market pressure for appearance is higher. Since pesticides were first imported into Thailand under the “Green Revolution Policy”, as part of the 1st National Economic and Social Development Plan in 1966, the total amount of imported pesticides has dramatically increased year by year (Figure 2), and most pesticides used in the country are imported (Department of Pollution Control 2005). The quantities of imported agricultural pesticides have increased drastically from 1994 to 2005 (Figure 2). In 1994, most of imported pesticides were organophosphates, followed by carbonates. In 2000, organophosphates still contributed the majority of imported pesticides followed by carbonates and organochlorines (Department of Pollution Control 2002). In 2000, the entire amount of imported pesticides was about 40000 tones, which cost about 7294 million baht. Most were herbicides, followed by insecticides, disease control agents and plant growth regulators. Using WHO hazard categories, 54% of imported insecticides fell into the extremely hazardous category (Ia) and highly hazardous (Ib)categor (Pingali and Rosegrant, 1993).
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