present invention is directed to a nitrogen-containing surfactant composition comprising at least one nitrogen containing surfactant of structure (h) or structure (i). Nitrogen-containing surfactant of structure (h) are as shown below. Nitrogen-containing surfactant of structure (i) are as shown below. The present invention is also directed to agricultural compositions comprising at least one pesticide and at least one nitrogen-containing surfactant compositions of the present invention. [of 26]本発明は、構造(h)または構造(i)の少なくとも1種の窒素含有界面活性剤を含む窒素含有界面活性剤組成物を対象とする。構造(h)の窒素含有界面活性剤は以下に示される通りである。構造(i)の窒素含有界面活性剤は以下に示される通りである。本発明はまた、少なくとも1種の農薬および少なくとも1種の本発明の窒素含有界面活性剤組成物を含む農業用組成物を対象とする。【化26】