. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 4. Stocking recommendations for control of coontail, water smartweed, American lotus, water lily, and water shield in Illinois. The 10-year stocking schedule includes an initial stocking and a second stocking 6 or 7 years later, depending on the climatic region. Stocking Rate (number of 10-inch fish per vegetated acre) Climatic Initial region stockin 1 71 2 61 3 65 4 69 Second Years between initial stocking and second stocking 28 7 20 6 20 6 20 6 Note: These rates assume a sprin
. Controlling aquatic vegetation with triploid grass carp. Carp; Aquatic weeds; Eutrophication; Aquatic weeds. Table 4. Stocking recommendations for control of coontail, water smartweed, American lotus, water lily, and water shield in Illinois. The 10-year stocking schedule includes an initial stocking and a second stocking 6 or 7 years later, depending on the climatic region. Stocking Rate (number of 10-inch fish per vegetated acre) Climatic Initial region stockin 1 71 2 61 3 65 4 69 Second Years between initial stocking and second stocking 28 7 20 6 20 6 20 6 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 If continued control is desired, repeat the stocking schedule (two stockings) every 10 years, regardless of the interx'al between the initial and second stocking. coontail. water lily. 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
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