Show DRAINAGE WATER IS BLAMED Furnishes One of Most Important Means for Dissemination of Various Varl Vari ous Plant Diseases Prepared by the United States Department Department Depart Depart- ment of or A Drainage water of at the run oft oar I Ing lag heavy rains probably furnishes furbishes one of nf the most Important means for tor the dissemination of plant diseases and has been found In many places to explain the presence of a n disease In fields where cabbage or other crucifers have never before been grown |