Liquid aqueous formulations of water-soluble active crop protectant ingredients which comprise (a) one or more water-soluble active ingredients (type (a) ingredients), (b) if desired, one or more water-insoluble active ingredients (type (b) ingredients), (c) if desired, polar organic solvents, (d) anionic surfactants, (e) if desired, nonionic, cationic and/or zwitterioinic surfactants, (f) silicone-based defoamers from the group of the linear polydimethylsiloxanes having an average dynamic viscosity, measured at 25℃, in the range from 1000 to 8000 mPas, and containing silica, (g) if desired, other, customary formulation assistants, and (h) water are suitable as low-foam formulations for application in crop protection.Also possible is the use of the corresponding active-ingredient-free adjuvant formulations in a tank mix with or in split application with active-ingredient formulations.水溶性活性作物保護劑成分的液態水性調和物，其包含(a)一或多種水溶性成分((a)型成分)，(b)必要的話，一或多種水不溶性成分((b)型成分)，(c)必要的話，極性有機溶劑，(d)陰離子型界面活性劑，(e)必要的話，非離子型、陽離子型及/或兩性離子型界面活性劑，(f)來自線性聚二甲基矽氧烷群組之聚矽氧系消泡劑，而其在25℃測量具有介於1000至8000毫帕的平均動態黏度且包含矽石，(g)必要的話，其他慣用的調和助劑，及(h)水，適合充當供作物保護應用之低泡沫調和物。也可使用對應而不含活性成分的輔助調和物與活性成分調和物在槽中混合或分開應用。
