| Show Good Stand of Alfalfa Kills Canada Thistles Thistle's That a good stand of ot alfalfa will destroy de de- destroy stroy Canada thistle In three years was revealed re by a study of eleven successful successful successful suc suc- demonstrations recently made by A. A A A. Hansen of ot Purdue university The study of ot the demonstrations which were located In tn six different counties In Indiana and Involved 22 acres of thistles scattered over large I areas of ot farm land showed that alfalfa alfalfa al al- al falfa will successfully subdue the thistles thistles this this- ties only where good stands of the legume are secured SI Since cc more than one year Is required to do the Job a n ahardy a ahardy I hardy variety of alfalfa such as the I Grimm or Ontario Variegated Is essentiaL essen Weakening the thistles by fall plowing by thoroughly preparing the seed bed and by cutting with a hoe while the alfalfa Is young oung Is also necessary necessary essary to enable the legume to get ahead of ot the thistles The frequent cutting the vigorous spreading alfalfa root system and the heavy shade cast by the legume- legume a account ae ac- y count for the ability of ot the alfalfa to subdue the prickly thistles The method meth od Is of no value on sour wet soils or where conditions are otherwise not suitable to alfalfa growing and se seed d Inoculation Is necessary to secure the type of alfalfa growth necessary to success |
