Received for publication April 2, 1976. Approved by the Director of the New York State Agricultural Experiment Station for publication as Journal Paper No. 2274.
Assistant Professor. The author gratefully acknowledges the help and advice of R. E. Smart, R. C. Musselman, S. G. Carpenter, and W. W. Knapp.
|All Time||Past Year||Past 30 Days|
|Full Text Views||16||16||2|