Show Control o Noxious Perennial Weeds Sodium Sodium Sodium Chlorates ates of Calcium Are Magnesium l um of or Effective perennial weeds needs Noxious No farms losse losses on many heavy crust under certain con can be bo controlled by spraying In with Ith chlorates of or magnesium it Is calcium sodium In indicated b bi t tests ts conducted b hi tine the Colorado Agricultural college collee Although more definite Information recommends Is needed before final can be announced a recent bur burs ur s ey of plots of ot weed weeds throughout the state where here killing hilling tests were Mere ma made e egl some light on the problem nc ac according gives gees gl cs cording to Bruce J Thornton assistant assist ant botanist for the Colorado L c expert perl perl ment meat station and nOlI l T G Stew Ste art ex extension extension tension agronomist t at the lie college Obtain Best Results Observations made dinning dining this stir sur sure sea e Indicate that the be bet best t results from these chemical sprays e may be obtained as foil follows 0 s 1 Allow Allo the per perennial 1 weed eed pest to retch full and make n a few fe seed of elder chlor chlorate chlorate 2 Use t two 0 pounds or more ate salt alt per square rod In a fine spray e distributed 0 over oser er the folI foliage e 3 Spraying the weed eed during the late afternoon 01 or e evening seems seem to gh give gise e the best results 4 9 Follow Collor ollo up t ire arc neles sao using tine the same strength of so lulion rite lite tills this summer or t ne The amount of material required will willbe willbe be determined by hy tine tile number of oC plants re appealing In the area arc sprayed These the aie e only tentative e it is emphasized Ad e and work worl I is now un under del way wa Wl in mani sections of the state and more mOle complete rc result will result will III be announced as soon is a l they are area areas a as Danger of Fire are aie warned th tint thit It there thele Is serious danger of fire In u ing sodium chlorate Calcium te chlorite gives up pro equal results as far liS as pI present tests Indicate and has no fil fire e It is suggested that those who ha hae e serIOus perennial weed eed problems problem bet ket betIn In touch with thor them county e agent or with Mi Mr It Thornton of the department pal at nt the tho colic a If one is Ie in doubt as to the IdentificatIOn of aO ans weed cell lie he should tIl dig up a n corn com pleto plant including roots roote and flow flower lower er pm parts t ln and ind send it to the botany botan dt do foi for identification and ld Ice as to the most method of con lIol it of |