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WEED MANAGEMENT PLAN - Heintzelman Project <br />Since the list of noxious weed continues to grow; and considering the development of new treatments; <br />this management plan is intended to retain the flexibility needed to meet future conditions and <br />capabilities in the arena of weed management and control. The primary species to be identified, <br />mapped (if found), and treated, are included as attachments: specifically included are Saltcedar and <br />Russian-Olive, as detailed in information from the National Park Service, attached. The attachment <br />suggests the potential range and methodology of treatment necessary for the control of identified <br />species. <br />Mapping and Identification: <br />Field identification and location of targeted weed species is fundamental to determining the extent and <br />character of weed infestation; and in the subsequent development of a treatment plan. Due to the <br />complex nature of identification, assistance with identification and mapping will be sought from <br />among Weld County Weed and Pest Division; Colorado State University Cooperative Extension <br />Service; U.S. Natural Resources and Conservation Service; as well as on-line and internal resources. <br />Mapping will attempt to identify areas of infestation within the permit boundary, and. vectors of <br />infestation from inside or outside the permit boundary. Vectors are a consideration in prevention of <br />future infestation, which may affect on-site behaviors, including method and means of access within <br />permitted lands. An expectation that vectors from adjacent lands must be treated by adjacent <br />landowners if treatment on permitted lands is to be fruitful is part of continuing treatment <br />considerations. <br />Treatment: <br />Once the nature and extent of weeds have been mapped, and vectors identified; a course of treatment <br />options will be considered in order of priority of economy and effectiveness. The overall object of <br />weed management will be to control weeds by establishing a healthy competitive stand of vegetation <br />that wins the competition for plant available water. This effort is linked to on-site soil management; <br />including monitoring of soil fertility and percent organic matter on problem lands, relative to <br />distribution and amount of field available moisture on affected areas. Chemical treatment of weeds <br />will be the last option considered except where all other methods of competitive control fails; <br />including mechanical cutting, tilling, or removal of noxious weeds. <br />In general, weeds will be cut before a seed head can develop. This will take priority over recently <br />seeded areas expressing emergent grasses. Where mechanical means fail; chemical applications will <br />follow recommendations from previously stated sources, and applied accordingly to prevent damage to <br />grasses, aquatic species and wildlife. An example of Chemical treatment and primary noxious weeds <br />to be identified, mapped and treated are included as attachments to this submittal. Where chemicals <br />are not applied by the owner/operator of infested lands, a certified applicator will be retained. A file of <br />all mapping and related log of treatment of identified areas will be maintained for inspection.