Show Pest Weeds Must Go Got GoI I t Trying to live with weed rests pests ests such as bindweed wild morning oming glory and Canada Thistle as many persons have peen en doing costs too dearly THE FACTS are they cant can't afford to be let grow by competing competing competing com com- with crop plants for soil moisture fertility light end and space they reduce both yield and quality of the crop Emphasized Louis A. A Jensen extension ns on agronomist Utah State University r Q Detailed tailed sh studies di recently y conducted conducted con con- ducted in four states indicate how costly bindweed can be beon beon beon on crop yields In South Dakota Dakota Dakota Da Da- Da- Da kota this weed reduced the yield in eight wheat fields an average of 42 percent and reduced the yield in 12 oat fields an average of 33 percent percent per per- cent IN l MINNESOTA it reduced spring wheat yields 66 percent percent percent per per- cent winter wheat 52 percent parley barley 79 percent and oats 68 percent In barley crops studies Kansas found Cound a reduction reduction reduction tion of 65 percent and Colorado Colorado Colo Colo- rado found a 55 percent reduction reduction reduction re re- re- re from the same weed Studies on Canada Thistle indicate that it is a very serious competitor with grain crops Light infestations resulted resulted resulted re re- in a yield reduction of 18 percent in Canada and 15 percent in Montana while heavy infestations reduced yields of 65 and 60 percent in these areas SOME WEEDS use great amounts of water For example example example ex ex- ample common mustard uses over four times as much water to produce a pound of dry matter as does a barley crop A leading national agricultural agricultural agricultural tural authority G G. G W W. Irving Jr Administrator Agricultural Agricultural Agricultural tural Research Service said saidI e I No uNo single production tion problem m facing American farmers is as expensive and difficult cult as weed w ed control YET considering the cost of losses weeds cause farmers cant can't afford NOT to control them Every field and every crop must have a properly timed effective weed control control control con con- program Jensen de de- |