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HY BRI D O§ 
BN—29494 
There is an urgent need for grass and legume varieties 
that will utilize moisture and minerals more efficiently, yield well over the entire growing season, and produce 
high-quality forage. 
Research To Improve Seed Quality, Seed- 
ling Vigor, and Yield of Forage and Seed 
Nordan crested wheatgrass, released on the basis of 
improved seed quality, seedling vigor, and seed yield, 
has become the accepted variety of crested wheatgrass 
throughout the Northern Great Plains and _inter- 
Superior yields of grasses and leg- 
umes are being obtained with the proper combination 
mountain region. 
of variety, environment, and management. However, 
we need varieties that respond better to fertilizers and 
moisture and that recover rapidly following grazing or 
Improved seedling establishment, persist- 
ence, and yield would reduce seedling losses and in- 
crease returns from forage in both humid and arid 
regions. 
mowing. 
Many potentially useful varieties are little used now 
because of low seed quality, low seedling vigor, or low 
seed yields. 
Investigations are in progress or are needed on— 
© Determining the relation between forage and seed 
yields. 
SCS-81524 
Birdsfoot trefoil is a valuable forage and soil-conserving 
plant, but seed losses can be very high as a result of 
shattering. Resistance to seed shattering is needed in 
this species and in many other useful forage species. 
15 
