This study aimed to understand farmers' knowledge, attitudes, and practices regarding agricultural pest management and synthetic pesticide use in Southeast Asia. Data were used from 900 farm households producing leaf mustard (Brassica juncea (L.) Czern. et Coss.) and yard-long bean (Vigna unguiculata subsp. sesquipedalis (L.) Verdc.) in Cambodia, Laos and Vietnam. Farmers heavily depended on synthetic pesticides as their main method of pest control. Most farmers were aware of the adverse health effects associated with pesticide use and covered body parts while spraying, but also considered pesticides to be highly effective and indispensable farm inputs. Farmers were largely unable to distinguish between common beneficial and harmful arthropods. Greater knowledge about this was associated with less pesticide use while greater awareness of pesticide health risks was associated with fewer observed poisoning symptoms. For the average farm and while controlling for other factors, farmers who sought advice from friends and neighbors used 45% less pesticide, but those who sought advice from pesticide shopkeepers used 251% more pesticide. Pesticide use was 42% less when a woman was in charge of pest management and 31% less when farmers had adopted biopesticides. These findings suggest relevant entry points for interventions aimed at reducing pesticide dependence.
Cambodian foods are increasingly consumed outside Southeast Asia, yet are the subject of remarkably few reports. The Khmer culture and culinary traditions of Cambodian people, both historical and contemporary, depend most heavily on the fermented fish product prohok ("Image missing") as an essential ingredient in a wide variety of dishes. The aim of this report is to better understand the traditions, production methods, and uses of prohok as well as the retention of this essential flavoring and nutritional component of Khmer cuisine. The reported findings include how fish preservation developed to accommodate Cambodia's unique naturally occurring hydrological phenomena and has influenced the ethnic identity and social structure of Khmer people. Commercial and home production of prohok is observed to have socioeconomic and nutritional impact on people. The uses of prohok in main dishes, sauces, soups, and side dishes are explored. Furthermore, this report investigates and reviews the underlying microbiology and chemistry that takes place during traditional fermentations of fish to produce prohok. This foundational knowledge serves as a basis for additional scientific studies to further investigate prohok fermentations with the goal to better understand factors that contribute to the unique regional variation of aromas, textures, and flavors produced by traditional practitioners and beloved by Khmer people.
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