What slogan should I write for the fish grass planted in the field?

There are fish grass in the field, please don't trample on it.

If you plant fish grass in the field, you should first point out what is in the field, and then write the purpose of the slogan. For example, if there is fish grass in the field, please don't step on it.

Fish grass, Chinese herbal medicine name. This product is the whole plant of Charophyta. Indications: eliminating phlegm, relieving cough and asthma. Treat chronic tracheitis, cough, asthma and chest distress.