Estimates of control costs (dollars/hectare) based on phone interviews with invasive plant control companies during the period from July 15 to 21, 2009.
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1General price range for controlling all invasive plant species.2Price ranges for controlling all invasive plant species depending on percentage of land invaded; an estimated searching cost of 19.77 dollars/ha.3Price ranges for controlling Chinese tallow depending on percentage of land invaded.
创建时间：
2015-12-02
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