23 



Table 8. Yields of forage and alfalfa following May 5 conventional and 

 sod seedings of alfalfa into a heavily quackgrass-infested 

 field. 



Seeding method Alfalfa Seeding year yields Second year yields 

 and herbicide seedling Total Alfalfa Total Alfalfa 

 treatment density forage component forage component 



no. /ft _________ tons/acre __----__- 



Conventional seeding 



Untreated 19 2.8 1.4 4.4 4.1 



EPTC 16 2.6 1.7 4.7 4.6 



Glyphosate (May 2) 18 3.1 2.6 4.3 4.1 



Sod seeding 



2.1 0.8 

 A. 2 3.7 

 4.3 4.2 



0.9 1.1 



LSD .05 within seeding 

 methods 0.4 0.5 0.7 0.8 



Yields the seeding year are sums of July 11 and August 31, 1977 harvests; 

 yields the second year are sums of May 29, July 10, and August 18, 1978 

 harvests. 



