lubadub, I commend you for ingenuity on using your refractometer on your tomatoes. I would think that you would learn quite a bit after learning your readouts and then tasting your produce. I am wondering what your findings will be between plant nutrition and the meters reading.
I have a refractometer but only use it on flowers. I enjoy learning about hummingbirds and what draws them to their favored flowers. Is sugar content the deciding factor?
Good Luck!
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~ Patti ~
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