Macdon R85 Rotary Disc 16 Foot Self-Propelled Windrower H User Manual Page 104

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OPERATING THE HEADER
6.14 Haying Tips
6.14.1 Curing
A quick cure wi
ll ma intain top quality because
5% of the prot
ein is lost for each day hay lies on the ground.
The sooner th
e cut hay is harvested, the earlier the start for next growth.
Leaving the w
indrow as wide and thin as possible m akes for the quickest curing.
Cured hay sh
ould be baled as soon as possible.
6.14.2 Tops
oil Moisture
Level
% Moisture Condition
Wet
Over 45% Soil is m uddy
Damp 25–45% Shows footprints
Dry
Under 25% Surface is dusty
On wet soil, the general rule of “wide and thin” does not apply. A narrower w indrow will dry faster than hay left at
on wet ground.
W hen the ground is wetter than the hay, moisture from the soil is absorbed by the hay above it. D etermine topsoil
moisture level before cutting. Use a moisture tester or estimate level.
If ground is wet due to irrigation, wait until soil moisture drops below 45%.
If ground is wet due to frequent rains, cut when weather allows and let the forage lie on wet ground until it dries to
the moisture level of the ground.
C ut hay will dry no more until the ground under it dries, so consider moving the windrow to drier ground.
6.14.3 Weather and Topography
C ut as much hay as possible by midday when drying conditions are best.
Fields sloping south get up to 100% more exposure to the sun’s heat than do north sloping elds. If hay is baled
and chopped, consider baling the south facing elds, and chopping those facing north.
W hen relative humidity is high, the evaporation rate is low and hay dries slower.
If there is no wind, saturated air becomes trapped around the windrow. Raking or tedding will expose the hay to
fresher, less saturated air.
Cut hay perpendic ular to the d ire c tio n o f the preva iling winds is also reco mmended.
169457 9
6
Rev. F
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