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Solar Baking the Raised Bed

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GuiltTrip blog photos
Joined: 6/18/2008
Location: Florida
Posts: 483
Posted: May/12/2009 7:13 AM PST

Those Grub Worms (two digs, a square foot each, first dig=9 Grubs and second dig 28 grubs in a square foot of soil), Wow, Time to Attack , The 4' x 16' raised bed just got warmed up, I flooded the bed with water and placed a black tarp (double layered) over the bed and plan on solar baking the soil & anything else in that bed (aka Grub Worms). I have about 10,000 earth worms under Browne Walnuts Bunny Cage for the reintroduction as needed along with some Solarized Horse POO & leaves. I will do another square foot dig to see if the You Know Who survived, so with the temperatures hitting low to mid 90's in central Florida and the soil temperature under the tarp hitting 150 +, it should only take about 3-4 weeks, So what do ya Think or Know about this method / later GT.
carolyncat353 blog photos
Joined: 4/29/2008
Location: Westlake, La
Posts: 4392
Posted: May/12/2009 11:26 AM PST

Many years ago my neighbor had to "solarize" his garden because of a tomatoe fungus/virus. He was told to use clear plastic, and not the black. I think the sunlight was part of the process. I know you're doing it for grubs, but he had to leave the plastic on for 3-4 months. We're in zone 9, too. That's all I know!
GuiltTrip blog photos
Joined: 6/18/2008
Location: Florida
Posts: 483
Posted: May/12/2009 1:15 PM PST

In construction I have a never ending plastic thing going on around here, so Clear plastic it is. I truly believe here in zone 9 it won't take that long to cook the uninvited guess into toasted nuggets or should I say Compost Crisps, Just Wishing Here, GT
carolyncat353 blog photos
Joined: 4/29/2008
Location: Westlake, La
Posts: 4392
Posted: May/12/2009 7:34 PM PST

You and the neighbor are/were fighting 2 different things. He had a soil born fungus, you have a bug. My feelings are that the living "bug" will get too hot and just move to cooler ground. I may be wrong, but if I was a bug, that's what I'd do! (so-how much brains do grubs have??) I'm with you about the heat. During winter months (late Oct-late FEb.) I cover my "dormant" beds with any type of plastic or thick cardboad boxes to keep out weeds. Appears to work well.
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