11
Fig. 6
ESSENTIAL SOWING CONCEPTS
Normal Planting Depth: from 2 to 4
cm
Thick stem, short rhizome and resistant
to frostbite.
Multiple tillering providing from 3 to 6
shoots and a lot of blades, from 6 to 10.
Deep and thick roots, approximately 5
cm in width and 10-12 cm in depth.
With less grains per sowing square me-
tre, more ears are obtained.
Deeper Planting: from 5 to 6 cm
Fine stem, rhizome exposed to frostbi-
te.
Late and weak tillering, 1 or zero shoots
and only a few blades, 3-4 aprox.
Medium quality roots of approximately
3 cm in width and 5 cm in depth.
More grains per sowing square metre
are required to obtain the same num-
ber of ears as in the previous case.
Very deep planting: from 8 to 10 cm
Very fine stem. No tillering and only
one blade.
Seed runs out of supplies by growing a
long rhizome which frostbite can easily
cut.
The plant takes weak roots, approxima-
tely 1 cm in width and 3 cm in depth.
Twice the number of grains per sowing
metre are required to obtain the same
number of ears as in the first case.
THE RECOMMENDED SEED PLANTING DEPTHS ARE FROM 3 TO 5 CENTIMETRES. PLANTING TOO DEEP CAU-
SES PROBLEMS AS RHIZOME CANNOT REACH THE SURFACE AND THE PLANT WILL DIE. IT DOES NOT MATTER
THAT SOME GRAINS ARE VISIBLE BECAUSE THE HARROW’S. TINES WILL COVER THEM EVENTUALLY.
IN VERY COLD PLACES, REPEATED FROSTBITE CAN
HAVE A HONEYCOMB EFFECT ON THE GROUND’S
MOST SUPERFICIAL LAYER. IN THIS CASE THE
PLANT’S VERY FIRST ROOTS CAN LOOSEN AND
THE PLANT WILL DIE. SLIGHTLY DEEPER PLANTING
IS RECOMMENDED AND IF POSSIBLE, THE USE OF
ROLLERS TO COMPACT THE EARTH TO BETTER
PROTECT THE SEEDS.
WHEN STARTING THE MACHINE, FURROWS WILL
NOT CONTAIN ANY SEEDS FOR A METRE.
WHEN STOPPING THE MACHINE, SEEDS WHICH
WERE PREVIOUSLY INSIDE THE SEED HOSES, SLIDE
FROM THE MACHINE AND END UP PILED ON THE
GROUND.
TAKE THIS INTO ACCOUNT WHEN STOPPING AND
STARTING THE MACHINE IN ORDER TO ACHIEVE
MORE ACCURACY.
ALWAYS WORK AT A UNIFORM SPEED AS SU-
DDEN ACCELERATING AND SLOWING DOWN
WILL CAUSE AN IRREGULAR SEED DISTRIBU-
TION.
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