Frank Miles wrote:

IMHO innoculation helps, though I haven't made careful measurements.
The
plants seems bigger, healthier, and most definitely have more and
larger root
nodules.


too late, of course. But I will inoculate half the pole beans when I
plant them next month, so I will have a test plus a control sample.
For the present batch, I will err on the side of caution and fertilize
with urea.
Surely inoculation and urea have the same overall effect. In 2004, in
the old repeatedly manured beds, it was hard to tell a difference.