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4 <br />Operators are encouraged to consult with their [ocat weed management authority (district) when <br />developing any weed management plan. <br />Control Methods During Mining <br />Keep disturbance footprint as small as possible <br />• Disturb only the acreage to be mined in the upcoming field season <br />• Minimize number of roads and equipment storage areas <br />Reclaim affected areas as soon as possible <br />Minimize or eliminate wetted soils and puddling, create positive drainage at all times <br />• Slope all affected areas to prevent puddling and facilitate rapid drying of surface soils <br />• Convey water via pipes or other means to prevent wetted soils; avoid ditch conveyance <br />• Conduct operations that expose moist soils at a time when tamarisk are not producing seed or have <br />not in the past 45 days (September -mid April, see later comments about seed longevity <br />and wet soils) <br />Control/Management <br />• Mechanical <br />- Root plowing <br />- .Bulldozing (over many years) <br />- Fire (over many years) <br />- Inundation (long term) <br />• Chemical <br />- Foliar spaying <br />- Basal bazk spraying <br />• Combinations <br />- Cut stump w/ herbicide application <br />If stockpiling topsoil, use cover crop to aid in preventing undesirable plant establishment <br />