The best formula of 40% acetochlor emulsion in water was ascertained and its particle size was measured.The cold and hot storage stability of the preparation were also studied.

• 摘要本文通过实验确定了40%25乙草胺水乳剂的最佳配方，并对其粒径进行了测定，研究了其冷、热贮稳定性。