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June 25, 2001 During late May and early June, as
per our agreement, three study plots were established in northeast Mississippi
to determine the effect spraying NutriPak would have on the growth of three and
four year old loblolly pine trees. At each plot, a treated row and an untreated
row were measured. The plan is to remeasure the plots in late 2001 after the growing
season is concluded. The growth increase in the untreated trees will be considered
the annual growth for all trees. This increase will be subtracted from the total
growth of the treated trees. The difference between the normal annual growth and
the total growth of the treated will be the growth attributable to the NutriPak
treatment. Tom B. Wood Location: Pontotoc County, Mississippi Conditions: Old field,
heavy fescue Soil type: Silty clay loam Trees: Genectically improved
loblolly pines planted in 1997
| Treated: 46 trees sprayed with NutriPak at the rate
of 32 ounces per acre | | Average
diameter: 1.6 inches | Average height:
73.1 inches |
| Untreated (check row): 52 trees | |
Average diameter: 1.5 inches | Average
height: 67.5 inches | Location:
Pontotoc County, Mississippi Conditions: Old field, heavy wild grasses and
weeds Soil type: Silt loam Trees: Genetically improved loblolly pines
planted in 1998
| Treated: 20 trees sprayed with NutriPak at the rate
of 32 ounces per acre | | Average
diameter: 1.0 inches | Average height:
56.5 inches |
| Untreated (check row): 20 trees | |
Average diameter: 1.0 inches | Average
height: 56.0 inches | Location:
Prentiss County, Mississippi Conditions: Old field, heavy wild grasses and
weeds Soil Type: Fine sandy loam Trees: Genetically improved loblolly
pines planted in 1998
| Treated: 20 trees sprayed with NutriPak at the rate
of 32 ounces per acre | | Average
diameter: 1.4 inches | Average height:
71.7 inches |
| Untreated (check row): 20 trees | |
Average diameter: 1.1 inches | Average
height: 62.1 inches | |