Compared with the content of cumarol and dicumarol of sweet clover in the same growing stage,these results of analysis showed that it is better to use sweet clover as a feed before the period of flowering.

• 并通过与同期草木樨中香豆素,双香豆素含量的比较,建议草木樨作为饲草应在开花期之前利用较适宜。