. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 3. Stocking recommendations for control of broad-leaved pondweeds (including curly- leaf, American, Illinois, and largeleaf) and creeping water primrose in Illinois. The 10-year stocking schedule includes an initial stocking and a second stocking 5 years later. Stocking Rate (number of 10-inch fish per vegetated acre) Climaric Initial Second Years between initial region stocking stocking and second stocking 1 19 19 5 2 16 16 5 3 24 24 5 4 17 17 5 Note: These rates assume a sprin


. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 3. Stocking recommendations for control of broad-leaved pondweeds (including curly- leaf, American, Illinois, and largeleaf) and creeping water primrose in Illinois. The 10-year stocking schedule includes an initial stocking and a second stocking 5 years later. Stocking Rate (number of 10-inch fish per vegetated acre) Climaric Initial Second Years between initial region stocking stocking and second stocking 1 19 19 5 2 16 16 5 3 24 24 5 4 17 17 5 Note: These rates assume a spring stocking. Stocking in April is recommended because it is most cost- effective. If a fall stocking is planned, multiply these rates by Repeat the stocking schedule (two stockings) every 10 years, if continued control is desired. creeping water primrose. i curlyleaf pondweed. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wiley, Michael J; Tazik, Pamela P; Sobaski, Stephen T; Illinois. Natural History Survey Division. Champaign, Ill. : Illinois Natural History Survey


Size: 1723px × 1451px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorillinoisnaturalhistorysurveydivision, bookcentury1900