WINTER WHEAT
Agricultural Chemical Use, Montana, USA, 1998 1/

Last updated September 19, 1999
Agricultural Chemical 2/ Area
Applied 3/
Applications Rate per
Application
Rate per
Crop Year
Total
Applied
Fertilizers: Percent Number Pounds Per Acre Mil. Lbs
Nitrogen
Phosphate
Potash
90
88
31
1.5
1.1
1.0
35
24
11
54
25
12
67.9
30.7
5.1
Herbicides: Thousand Lbs.
2,4-D
Dicamba
Fenoxaprop
Glyphosate
MCPA
Metsulfuron-methyl
Thifensulfuron
Triallate
Triasulfuron
Tribenuron-methyl
66
37
5
29
11
9
2
8
21
3
1.0
1.0
1.0
1.6
1.0
1.0
1.0
1.0
1.0
1.0
.32
.11
.08
.32
.35
.007
.010
1.26
.005
.006
.32
.13
.08
.54
.36
.007
.010
1.26
.005
.006
297
69
5
220
56
1
4/
134
1
4/
1/ Area planted for Montana was 1.40 million acres in 1998.
2/ Insufficient reports to publish data for all agricultural chemicals applied.
3/ Refers to acres receiving one or more applications of a specific agricultural chemical.
4/ Total applied is less than 1,000 pounds.
-- Insufficient reports to publish data.
Note: Data may not multiply across due to rounding.

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