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Grazing School
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Superintendent
David Davis
21262 Genoa Road
Linneus, MO 64653
Phone: 660 895-5121
FAX: 660 895=5122
Email:
DavisDK@missouri.edu
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July 1, 2003
Forage Systems Update
Vol 12, No. 3
Field Notes from Valerie Tate
Wow, what a busy spring! Spring harvest of most of our research
projects seem to come all at once. With summer officially here,
things start to slow down or at least are spread out a little more
evenly.
We just completed the final spring harvest of the annual lespedeza
-nitrogen rate - harvest date study. In this study, Dr. Bob McGraw
has annual lespedeza overseeded into tall fescue. Four nitrogen
treatments are applied to the plots, 0, 25, 50 or 100 pounds of N
per acre. The plots are then harvested at four different times
during the spring, when the tall fescue reaches the vegetative
stage, when it reaches the boot stage, when the tall fescue heads
have just emerged and when the seed is ripe. Comparisons will be
made later this summer to determine the effect the treatments have
on forage yield and the contribution annual lespedeza makes.
We have sprayed once for potato leafhoppers in our alfalfa studies.
Plots are swept weekly to determine if leafhoppers are present and
when they reach the IPM threshold level. Once threshold levels are
achieved, plots are treated. Last week we harvested the alfalfa for
the second time this growing season.
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