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<br /> <br />spotted knapweed (Acosta maculosa), or white top (Cardaria spp.). If any of <br />these appear during the first year after seeding, they will be controlled with <br />approved herbicides until they have been eradicated. The presence of annual <br />and biennial weeds during the first few years after seeding is normal and can be <br />expected to diminish thereafter. <br />23 <br />