University;
of;
Kentucky;
Department;
of;
Plant;
&;
Soil;
Sciences;
Research;
and;
Education;
Center;
Princeton;
KY;
42445;
USA.;
University;
of;
Kentucky;
Department;
of;
Plant;
&;
Soil;
Sciences;
Lexington;
KY;
40546;
USA.;
不详;