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- Basal bark spraying <br />Combinations <br />- Cut stump w/ herbicide application <br />(f stockpiling topsoil, use cover crop to aid in preventing undesirable plant establishment <br />(Comment: Although cova cropping topsoil stockpiles in not only a good practice, but is a required <br />practice, I seriously doubt that cover cropping would have much impact on Temarix/Russian Olive <br />invasion into topsoil stockpiles. Most topsoil stockpiles are prt.Kty droughty and arc not favorable habitats <br />for the establishment of 1'amarix or Russian Olive. Although Russian Olive saxis will remain viable for <br />some time in the topsoil that is stockpiled, short of sterilizing the topsoil -not recommcndal -there isn't <br />much that can be done about the sped bank.) <br />Control Methods Durinrt Ra:lamation: <br />Contemporaneous reclamation and quick seeding following topsoil placement <br />proper soil management <br />• Don't spread soils that arc already infested if adequate clean soil is available <br />(P~e-treatment will help to eliminate contaminated .roiG.) <br />• Maintain positive drainage <br />Season o(rcclemation grading and soil replacement, leaching and seed selection: <br />• Avoid April and May and late July (potentially) (Tamarisk flowering and sodding season- <br />Although Tamarisk is a prolific seed producer, seed longevity is relatively short compared to other <br />noxious weeds (3.6 weeks), therefore, ifconditions that are conducive attd necessary for seadling- <br />establishment (wet or saturated soils) are managed during the flowering and seed producing <br />season, establishment of new plants can be greatly reduced) <br />• Apply topsoil in the fall and sea! immediately alter application <br />• Use companion crop with sad mix for areas where topsoil must be applied in winter or spring to <br />help ensure desirable plant establishment <br />• Leach sale out of soils with heavy irrigation prior to scating/planling, if possible w/o significant <br />crosion/sedimrntation <br />('17ris it suggested jar rve in areas where thepant-mining land ure is agricvlturol, primarily im'gated <br />crop production) <br />• Revcgetate using salt and alkaline tolerant species <br />• Use weed competitive shrubs and tines around wetted soil areas <br />