Boron = Borax = Boraxo
Many parts of the country are low in Boron, especially the mid-west. I forget just what it does for tomatoes, but for broccoli and cauliflower if you get "hollow stem", especially if it's rusty or brownish inside, you are low in Boron.
You need to be careful tho as too much can be toxic to the plants. That can be used to your advantage tho if you grow beets. Beets are 1 of the few plants very tolerant to Boron. After seeding, you can sprinkle a narrow strip of Borax on the ground above the beet seed. It won't hurt the beets but will serve as a "herbicide" to keep the weeds down in the beets.
I don't know the exact amount to use tho as that is something a neighbor market grower friend of mine does. I would think you could find it somewhere in the internet tho. I have seen it in some university bulletin years ago.
Carol
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