Acknowledgements 



The authors wish to express their appreciation to Richard 

 D. Merritt, University of New Hampshire photographer, for the 

 pictures in this bulletin. 



The contribution of Professors Ford S. Prince and Leroy 

 J. Higgins, and Mr. Leslie F. Hayden, Agronomy foreman, in 

 obtaining the yield data is gratefully acknowledged. 



COVER: A broniegrass trial on the Young farm, 

 Dover, New Hampshire, May, 1954. 



Station Bulletin 439 April 1957 



