ut plantings I have
interplanted with dwarf fruit trees and have clover and alfalfa growing
between the rows. This is cut twice a year and used for mulch. The
following spring it is spaded in and a small amount of high test
nitrogen applied at the same time and the trees all seem to respond to
this treatment very well.

DR. ROHRBACHER: Any questions or remarks?

MEMBER: Mr. Kyhl mentioned the Schafer. That is the one for the boys and
girls in a hurry to get nuts. In three years you get nuts. I have
experimented with it and that is the only tree that will do it.

MR. CORSAN: I would like to ask the convention if they have had the
experience with the black walnut and the Persian. Down the valley would
come a good strong wind and break off the tops. I had one that grew 20
feet from a little graft. When I put this on, it had three buds. One bud
threw six feet and 20 feet of wood from that one seeding. I barricaded
it so the ice wouldn't break it. The ice broke through my barricade and
I have one that is growing as high as I can reach. Black walnut broke
off with the wind. Sometime, the whole tree broke down. Not a twig was
broken off the English walnut. The black walnuts worry me to pieces.

MR. DAVIDSON: In connection with this rapid growth, is there any
difference in the quality of the wood? We have some that grow so much
more rapidly. When the wood matures, will it have the same value for
furniture and so on as the slower growing ones? Would they be more like
the softwood?

MR. CRANE: Our highest grade native woods are those which grow more
slowly. We haven't made any studies on the wood in black walnut, in
relation to the growth rate.

DR. MacDANIELS: The strength and value of the wood depends on the
proportion of large and small cells. In a very slow-growing tree you
have a large proportion of the big cells. In rapid-growing wood you also
have an undesirable result. It is between the very slow and very rapid
that you get the best. If you get a rapid growth the cells are thin,
even though they may be small. It is the in-between condition that makes
for good timber. That is based on actual strength tests and evaluation.

MEMBER: Mr. Corsan wrote me about the wind damage. I never had that
experience. I saw the cyclone in southeastern Iowa. Elms were up-rooted
and torn to pieces and I didn't see any black walnut damage. Even the
hickories were damaged and some snapped off. I have never seen any
walnut give away.