Tomato experiment so far

I mentioned a while back my husband is growing tomatoes in 5-gallon
plastic containers buried in the ground. His theory is that they will
need less water since the water will have to stay near the roots instead
of spreading into the surrounding soil.  He planted six tomatoes, 3 are
in those orange paint buckets you can get at Home Depot and 3 are in big
plastic tubs you get kitty litter in at Costco. He did put in drain
holes too.
I asked him how he knew he is watering less than I am, since he hasn't
measured what comes out of my "leaky hose" setup, and he doesn't know. I
didn't push it...
Anyway the 3 in the kitty litter containers are definitely not doing as
well as the others. They are starting to get yellow leaves at the
bottom. I think they might be smaller than the other buckets, but I
don't know if it's the size, something leaching out of the plastic (sure
hope not), or perhaps it's a swamp down at the bottom of the container.
To my eye none of them look as good as the ones I put in the ground, and
I included one of his plants as a sort of control.  We'll see...

Cyndi

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