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Joined: May 2014
Posts: 3,864 Likes: 298
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Joined: May 2014
Posts: 3,864 Likes: 298 |
I know that water hyacinths are particularly tough to deal with because they put down seeds that last for years. Get rid of every one, and next year here they come up again. So two questions for PB:
Question one: How deep in the pond will they place seed? Five foot depths? Ten? Twenty?
Question two: How deep in the bottom would dredging have to go in order to take out the seeds? Three inches? Six? Twelve? Or would dredging just spread the problem?
Thanks for your input. I know that water hyacinths, though pretty, don't belong in ponds! And maybe manatees would eat them, but even grass carp aren't enthused.
7ac 2015 CNBG RES FHM 2016 TP FLMB 2017 NLMB GSH L 2018 TP & 70 HSB PK 2019 TP RBT 2020 TFS TP 25 HSB 250 F1,L,RBT -206 2021 TFS TP GSH L,-312 2022 GSH TP CR TFS RBT -234, 2023 BG TP TFS NLMB, -160
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Joined: Jan 2009
Posts: 28,541 Likes: 845
Moderator Ambassador Field Correspondent  Lunker
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Moderator Ambassador Field Correspondent Lunker
Joined: Jan 2009
Posts: 28,541 Likes: 845 |
The seeds go ALL OVER the pond.
But depending on the size and depth of the pond, they will only germinate if they can get enough sunlight. Determine what depth the sunlight will penetrate (Secchi disk), add 3 more or 4 more feet to that measurement and forget about anything deeper.
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