We're always on the hunt to try different ways of growing stuff with what we have. Here we have taken a seed tray with pyramid shaped holes and turned it upside down. The holes are filled with sphagnum moss from Home Depot (Our pH has run at 7.8 for over a year). I didn't keep track of number of days, but we just planted a new batch the same way on Jan 13th so I'll keep track this time. Students put 2 romaine lettuce seeds in the bottom side of each hole. The trays are set about 1" deep into a deep water culture so that about 1" of the tray is sticking out of the water.
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File comment: a view of the bottom of the tray IMG_0035.jpg [ 198.57 KiB | Viewed 1787 times ] |
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File comment: Here is another view of the seed tray IMG_0036.jpg [ 145.58 KiB | Viewed 1787 times ] |
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File comment: Here are the trays filled with moss upside down in about an inch of water. The seeds are now at the top IMG_0038.jpg [ 267.47 KiB | Viewed 1787 times ] |