Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.: Battle Creek, Michigan, December 9 and 10, 1919
Science
Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting.: Battle Creek, Michigan, December 9 and 10, 1919
Northern Nut Growers Association -- Periodicals; Nut trees -- Periodicals; Nuts -- Periodicals
This score card has served as a basis for all the work that has been
done in judging nuts since that work has largely fallen to me. It was
early found desirable, however, to change the score card in one or two
respects, and it has since been changed two or three times as the
experience gained in judging nuts saw it was desirable. The score card
now in use is noted below:
General Values
Weight 10
Form 5
Color 5
Shell Values
Husking Quality 5
Thinness 10
Cracking Quality 20
Kernel Values
Color 5
Proportion of kernel 20
Quality and Flavor 20
___
Total 100
The first time one attempts to judge a large number of nuts whether with
the aid of such a score card as that proposed by Prof. Lake's Committee
or without it, he gets into practical difficulties at once. These
difficulties are not with the score card but in its use. Take for
example the characteristic, size, the first one on Prof. Lake's score
card. How can a person tell from the nuts of a hundred hickory trees
which is the largest and which is the smallest and which are
intermediate; in short how can he arrange them in order of size, the
largest at one end of the line and the smallest at the other with a
uniform graduation in between. Anyone who tries to do such a thing
quickly finds that it is impossible to do this correctly if one has only
his eye to aid him in determining size. The inability to do so quickly
becomes apparent if a person tries to arrange such a lot of nuts in
order of size at one time and then several days later tries to arrange
the same lot of nuts in order of size again. It is almost certain that
they will not get arranged the same both times. The differences between
the nuts are usually so minute, and, what is more important, the
difficulties of correctly estimating size by the eye alone are so great
that it is practically impossible to do it. An expert on this point can
do it of course much better than one who is not, but even the expert is
only too well aware of his limitations and of the impossibility of
properly doing the above. The same difficulty is apparent with every
characteristic on the list and while judging by experts with the aid of
a score card, is, so far as I am aware, the method used in judging
fruit, farm animals, poultry, etc., the crudeness of this method is only
too evident to the experts themselves. Two or three years ago it seemed
very far inferior to what actually measuring these characteristics would
be, although such measurement at first seemed difficult, not to say
almost impossible. Much work has been done on this, and it is very
gratifying to say that this measurement has been found possible to an
extent that was not dreamed of before the work was started. Before
outlining the methods worked out to do this a little discussion will be
given on Prof.
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