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indefinitely as long as they are composed of materials to
prevent deterioration and maintain legibility for the
d
uration of the posting period.
• All words shall consist of letters at least 2 1/2 inches tall,
a
nd all letters and the symbol shall be a color which
sharply contrasts with their immediate background. At
the top of the sign shall be the words “KEEP OUT”,
followed by an octagonal stop sign symbol at least 8
inches in diameter containing the word “STOP”. Below
the symbol shall be the words “PESTICIDE IN
IRRIGATION WATER”.
• Posting required for chemigation does not replace other
posting and reentry requirements for farm worker safety.
REPLANTING (FOLLOWING ALFALFA)
• Do not replant treated areas to any crop except corn, root
crops or sugarcane within two years after treatment, as crop
injur
y may result.
• Corn may be planted 12 months after the last treatment in
areas of moderate to high rainfall (greater than 20 inches),
provided the use rate did not exceed 3 pints per acre.
• Root crops such as potatoes, sugarbeets, radish and carrots
may be planted 12 months after last treatment, provided the
use rate does not exceed 2 pints per acre. Sites with use
rates higher than 2 pints per acre should not be replanted to
any root crop within 2 years after application of
DuPont™
VELPAR® L, or unacceptable crop injury may result.
In areas where irrigation is needed to produce the crop, the
crop rotation intervals listed may need to be extended if the
normal irrigation amount is reduced for any reason.
• Sugarcane may be planted any time following treatment.
• In California, do not replant seed alfalfa areas to any crop
within two years after treatment, as crop injury may result.
FLOOD IRRIGATED ALFALFA
In arid climates (10 inches of rainfall or less per year) or areas
where drought conditions have prevailed for one or more
years, a field bioassay should be completed prior to planting
a
ny desired crop. The results of this bioassay may require the
rotation intervals listed above to be extended.
A successful bioassay means growing to maturity a test strip
of the crop(s) intended for production. The test crop(s) strip
should cross the entire field including knolls, low areas, and
areas where any berms were located.
In areas where irrigation is needed to produce the crop, the
crop rotation intervals listed may need to be extended if the
normal irrigation amount is reduced for any reason.
ALFALFA - IMPREGNATION ON
DRY BULK FERTILIZER
(EXCEPT
CALIFORNIA AND ARIZONA)
Dry bulk fertilizer may be impregnated or coated with
VELPAR® L for application to established alfalfa. All
recommendations and precautions on this label must be
followed along with state regulations relating to dry bulk
fertilizer blending, impregnating and labeling.
If fertilizer materials are excessively dusty, use a suitable
additive to reduce dust prior to impregnation, as dusty fertilizer
will result in poor distribution during application. The dry
fertilizer must be properly impregnated and uniformly applied to
the alfalfa to avoid crop injury and/or poor weed control.
To impregnate the fertilizer, use a system consisting of a
conveyor or closed drum used to blend dry bulk fertilizer. Any
commonly used fertilizer can be impregnated with VELPAR®
L, except potassium nitrate or sodium nitrate. Do not use
VELPAR® L on limestone.
Use a minimum of 250 lb dry bulk fertilizer per acre and up to
a maximum of 450 lb per acre. To impregnate or coat the dry
bulk fertilizer with VELPAR® L, direct the nozzles to deliver
a fine spray of this suspension toward the fertilizer for
thorough coverage while avoiding spray contact with mixing
equipment. Uniform impregnation of VELPAR® L to dry
bulk fertilizer will vary, and if the absorptivity is not adequate,
the use of an absorptive powder may be required to produce a
dry, free-flowing mixture. “Microcel E” is the recommended
absorbent powder. When another herbicide is used with
VELPAR® L, mix and impregnate the fertilizer immediately.
Apply impregnated fertilizer as soon as possible after impreg-
na
tion for optimum performance.
Select the rate of VELPAR® L to apply per acre from the
appropriate section of this label. Then refer to the rate chart
below to determine the amount of VELPAR® L that should be
impregnated on a ton of dry bulk fertilizer, based on the
amount of f
er
tiliz
er to be distr
ibuted in one acre
.
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