Impacts of insecticide application on Chinese kale crowers: A case study of overadoption
1998
Witthaya Damrongkiattisak, Maejo Univ., Chiang Mai (Thailand). Faculty of Agricultural Business. Dept. of Agricultural Extension
Farmers in Amphur Muang, Lamphun. Questionnaires were used as research instrument and the data collected were analyzed by SPSS program computer. The results were as 99.3 percent of the farmers (136 out 137) practised improper or overadopted insecticide application due to lack of knowledge, carelessness, and lack of tools and equipment. It was found that insecticide application had impacts on vegetable leaves, its tastes, or smells: thus 56.6 percent of the farmers had the vegetable with withered or brown leaves; 54.4 percent had the vegetable with abnormal tastes or smells. In addition, insecticide application was found to affect vegetable consumption, production cost, and net profits. It was found that insecticide application affected the farmers' rate of sickness' insecticide substances in the blood, and allergy to insecticides: 41.2 percent of the farmers became sick, 25.9 percent had insecticide substances in the blood, and 22.8 percent were allergic to insecticides. It was found that insecticide application affected the death rate of domesticated animals : animals of 7.4 percent of the farmers died as aconsequence of insecticide application.
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