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competition with leafy spurge.These .; <br /> two procedures allow effective pasture A go �t;.weed-ma►agemenf <br /> use by other livestock,such as cattle irte9r?# s.°#v c r.More-eo �a1 M-=,-'`= <br /> that normally do not graze leafy spurge. "measures=fiito"a'"r ianagg',..systeir�':= <br /> 3. Chemical control:In the fall,spray the <br /> Be s #e!ga#ic abo <br /> infestation with Tordon 22K( icloram) <br /> rmanage`inen �,�`�° <br /> Plateau(imazapic),or Perspective <br /> (aminoc clopyrachlor+chlorsulfuron) Keep'good;rcords.of we'.e <br /> ;F <br /> to control le e. <br /> �'spurge. <br /> manage`rr�eri_f:,- ;� <br /> This example integrates biological, <br /> cultural and chemical controls into a weed <br /> management system.If leafy spurge is the A systematic approach allows for a <br /> weed problem,you may have to repeat return on the control investment during <br /> this program most growing seasons. the weed management process.Ground <br /> With this procedure,you can still use that was lightly infested can be used for <br /> that land and see a return on your weed productive purposes,then some of that <br /> management investment. profit used to combat heavier infestations. <br /> Systematic Control Record Keeping and <br /> Procedures Evaluation <br /> Do not attempt to control all weed Keep good records of weed <br /> infestations in a single season,except on management.Include procedures used, <br /> small land parcels.The mapping procedure dates applied,weather conditions,and <br /> will indicate where dense infestations lie growth stage and condition of weeds and <br /> and where small scattered or perimeter desirable plants.Evaluate for success or <br /> infestations are located. failure.Good records and evaluation lead to <br /> Be systematic about weed management. successful management and fewer failures. <br /> Start with perimeter infestations.These are Often,evaluation efforts provide the <br /> the easiest and most affordable to control. most accurate assessment one to three years <br /> If controlled first,they can be kept from after control application.This is important <br /> becoming large and dense.If you start with for perennial weeds where follow-up is a <br /> large,dense infestations,perimeter ones key to successful weed management.The <br /> often get worse.This leads to frustration worst mistake to make is to use a weed <br /> and a sense of futility in weed management. management system,assume it will work, <br /> and not evaluate the outcome. <br /> Colorado State University,U.S.Department of <br /> Agriculture and Colorado counties cooperating. <br /> CSU Extension programs are available to all without <br /> discrimination.No endorsement of products mentioned <br /> is intended nor is criticism implied of products not <br /> mentioned. <br />