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https://soclaimon.wordpress.com/2013/07/22/%e0%b8%81%e0%b8%b2%e0%b8%a3%e0%b9%83%e0%b8%8a%e0%b9%89-24-d-%e0%b9%83%e0%b8%99%e0%b8%a3%e0%b8%b9%e0%b8%9b%e0%b8%9a%e0%b8%b4%e0%b8%a7%e0%b8%97%e0%b8%b4%e0%b8%a7%e0%b9%80%e0%b8%ad%e0%b8%aa%e0%b9%80/
การใช้ 2,4-D ในรูปบิวทิวเอสเทอร์ชนิดผงในนาดำและนาหว่านข้าวงอก