Sheaffer, C. C. <br/><br/>
"Annual" Alfafa in crop rotations 
C. C. Sheaffer, D. K. Barnes and G. N. Heichel 
 - St. paul  University of minoseta  1989 
 - ii, 16p.  Pbk. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Alfafa--Breeding--crop rotation<br/>Crop rotation--Alfafa
<br/><br/><label>LC Class. No.: </label>SB205.A4 1989