CHE REFERENCE LIBRARY - Pole Shift Survival Information

FIG. 26. Tracy seed-planter.
the surfavc. This is a useful implement ill seed-testing.
Another rk~k for regulating the depth of sowing, particularly
in seed-trstinp, is thv Tracy planter, shown in Fig. 26. It
rvnsists of tw0 strip of hea\*>v tin plate ahut hree inches
wide, hung on two wire pivots or hinges some two inches long.
At their iqqw ctlgw, and equidistant, from either end, the
plates are joktl hi* a firm spiral spring, which serves to throw
the nppcr edges apart, and to vanse the tower edges to join.
I’he trough is now filled with the required number of seeds,
and is then insflrtcd int.o t hc cart11 ‘to a, givvn depth, when
the fingers push inward on
the springs and the trough
opens and delivers the
see d s. ’
Delicate seeds, sown out
of doors, should bc given
a. very accessible loca,tion,
b ecause t,heJ wiil need
constant watching in dry
weather and during heavy
rains. A border along a
wall is a favorite site for
a seed--bed. A French
method of preparing such a
bed is shown in Fig. 27
(after Mot.tet). FIG. 27. Seed-border.