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Show K - - Loss onUtah on onUtah onUtah Heavy lleavy Crop Whtie While ' Top 'Dol Dol ) Causes Utah FarmsUtah Farms FarmsUtah seriouS seriouSweed seriousweed seriousweed Utah farmers fanners are arc facing a At present they are aresuffermg aresuffering weed problem presentte te suffermg suffering tesuffering a loss of app approximately $2- $2 2 $2000.000 $2-000,000 $2 2 000,000 000000 $ , - , - and the toll is becoming becominggrenter becominggreater becominggreater 000.000 000000 000,000 , , . a year gren-ter gren ter greater - with Wlth each succeeding ycar year yearwarns , Professor Professcr J C Hogenson , . ex- ex extension extension ex extension - tension warns agronomist of the Utah state stateAg1'1cultural StateAgricultural StateAgricultural Ag1'1cultural Ag11cultural Agricultural ' CollegeTlus CollegeThus College CollegeThis This Tlus Thus loss is caused by the weeds oc- oc occUPY1l1g occupying oc occupying - - that shoulo shoula be begrowing begrowing begrowing the ground growing cupying cUPY1l1g productive crops They Thei Thef rob robthe robthe robthe the soil sOlI of plant food and moisture moisturehieh moisturewhich moisturewhich \\hieh hieh which \ crops should icceive lccelve receive , , thus caLlS- caLlS caus- caus caLlSing causing caiis-ing caiis ing - - ing a 10\\ 10 lowel 10el louei \ el yield of inferior infenor quaUt3 quality qualit.They qualitThey } . amount amountof amountof They cieate cleate create an evei eVCl ever increasing inc.rcaslng incrcaslng . of woik work wo ! k to keep them in m checkPiobably check checkPiobably Piobably the wor wor&t wort worst & t weed in Utah is iswlute iswhite iswhite multi multi- multiplies multiplies multiplies - wlute white top , . a perennial which plies both by seed and by underground undergroundroot root stoc stocks Every inch of or root steck stock stock.no stockno . , no mattci mattel mattes whethel whethe whether ! attached atta.hed attahed ( . to the theplant theplant theplant plant 01 or cut off , wil wII proauct proouct a new newthrift newthrifty newthrifty thrift thrifty plant . , Professor Hogenson Hogensonpoints Hogensonpoints Hogensonpoints points outThere out outThere There are arc two ways of handling handlmg the the"hIte thehate thewhite "hIte hIte hate " top The method to be used usedshould usedshould usedshould should be etermlned etermined by the size of the thepatch thepatch thepatch patch It the patch is large , . cultivate cultivatewhile , "hile hile chile " if it is small , use a chelUlcal chemical chelUlcalspray chemicalspray chemicalspray spray . Thorough cultivation cultlvatlOn means mean that thatthe thatthe thatthe the operation should be one su1flClently sufficiently su1flClentlyoften sufficientlyoften sutficientlyoften often to prevent new growth from from ape ap- ap apepeanng appearmg ap appearing - pearing peanng pearmg above the surface of the theground theground tlieground ground , . beginning beginmng In the spring and andeontinwng andcontinuing andcontinuing eontinwng continuing until the end of the grow grow- growing growing growing - ing season in m the fall During Durmg the year yearthe yearthe yearthe the patch should be watered frequent frequent- frequently frequently - - ly to keep the plants in the be be&t bet best & t grow grow- growing growing . - ing condition This will exhaust the thethe thethe thethe the food supply stored in the roots rootsmuch rootsmuch rootsmuch much more quickly than will be the thecase thecase thecase case if the plants are allowed to re- re remain re- re remain re remain - - main dry during the growing season seasonWhen seasonWhen seasonWhen When the food supply stored in the theroots theroots theroots roots is exhausted and no It leaf > af surface surfaceis Is allowed to grow so that more food foodcan foodcan foodcan can be manufactured , the plants dieIf die dieIf If It the weed patch is small , . then spray spraysufficiently spraysufficiently spraysufficiently sufficiently often during durmg the growing growingseason growingseason growingseason season with Wlth a solution solutbn of calcium calciumchlorate calciumchlorate calciumchlorate chlorate using usmg about three pounds of ofthe ofthe ofthe the chlorate per "square square 'Square ' " rod of weeds to tokeep tokeep tokeep keep the tops killed lulled down There the thepatches thepatches thepatches patches are large this method is al- al altogether al altogether - . together too expensive |