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The "Poor Man's Marker" - Improving the accuracy of small rigs

Massee, Truman and Luellen, William and Waggoner, Harold and Mumm, Mike (1984) The "Poor Man's Marker" - Improving the accuracy of small rigs. Crops and Soils Magazine. 37(2):12-17.

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Gaps or overlaps in spray patterns are costly. But the
various boom-end marking systems available for sprayers
can be costly also—as much as $1,000 in some cases—so
many farmers and custom applicators have elected to do

The USDA has come up with a system that can mark a
field with long-lasting foam at an initial cost of about $3
for materials and an operating cost of a few cents per
acre. (This operating cost does not include your time, of
course, since it would be about the same regardless of the
marking system you use.)

You can build the marker yourself using a few scraps of
plastic pipe, some string, and a few other odds and ends.
The marker uses foam from an ordinary 11-ounce can of
shaving cream. The developers of the unit tried using
other items, including spray paint cans, as the marking
medium, but none showed up well enough on the ground.

Item Type: Article
NWISRL Publication Number: 0530
Subjects: Practical farm efficiency
Mass Import - autoclassified (may be erroneous)
Depositing User: Dan Stieneke
Date Deposited: 20 Nov 2010 21:52
Last Modified: 13 Jan 2017 23:15
Item ID: 420