|For immediate release: May 14, 2003
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|Montana winter wheat producers applied nitrogen fertilizer to 88 percent
of the acreage harvested for the 2002 crop. A total of 38.4 million pounds
of nitrogen fertilizer was applied to the 750,000 acres of winter wheat
harvested in Montana. Of the harvested area, 81 percent received phosphate
fertilizer while potash was used on 46 percent of the acres. Total application
of phosphate was 18.5 million pounds and potash was 4.8 million pounds.
Winter wheat producers applied 433,000 pounds of herbicides to 80 percent
of the planted winter wheat acres in 2002. The most common herbicide used
was 2, 4-D with 56 percent of the acreage sprayed. Glyphosate and Dicamba
were the next most popular herbicides, used at 30 and 17 percent, respectively,
of the planted acreage covered.
Spring wheat producers in Montana planted 3.75 million acres of spring
wheat in 2002. Sixty-six percent of these acres had nitrogen fertilizer
applied to them. A total of 97.8 million pounds of nitrogen was applied.
Phosphate was applied to 54 percent and potash to 21 percent of the planted
spring wheat acreage. Total application of phosphate was 47.0 million
pounds and potash was 14.9 million pounds. Producers applied 2.1 million
pounds of herbicides to 89 percent of the total spring wheat acres planted
in 2002. The most widely used herbicide was 2, 4-D with 65 percent of
the acreage sprayed. Dicamba was the second most common herbicide, used
on 32 percent, and Metsulfuron-methyl was used on 22 percent of the planted
Nitrogen fertilizer was applied to 86 percent of the 2002 other spring wheat planted acreage in the surveyed states (MN, MT, and ND). Phosphate was applied to 74 percent of the planted acreage while potash was applied to 27 percent of the planted acreage in the states surveyed. Spring wheat producers treated 91 percent of the other spring wheat planted acreage with herbicides; MCPA was applied to 47 percent of the planted acreage followed by 2,4-D at 36 percent.
The agricultural chemical use estimates in this report refer to on-farm use of commercial fertilizers and pesticides on targeted crops for the 2002 crop year. Farm and ranch operators were enumerated late in the growing season after the farm operator had indicated that planned applications were completed. The data was compiled from the Agricultural Resources Management Survey (ARMS) and from the Objective Yield Survey, with the main portion of data collection being conducted during the months of October to December 2002.