Ten Great Reasons for Growing Clover
1.Biological Nitrogen Fixation 2.Improved Forage Quality 3.Better Distribution of Growth 4.Increased Forage Yield 5.Reduced Risk 6.Benefits in Crop Rotation 7.Reduced Animal Toxicities 8.Environmental Acceptability 9.More Interesting and Attractive Pastures 10.Increased Profit
BiologicalNitrogenFixation
Nitrogen Fixation 40 to more than 200 pounds / acre / year
Value and Amount of Nitrogen Fixed by Various Clovers Crop N fixed, Lb/A/yr N value 45¢/lb55¢/lb65¢/lb75¢/lb Red clover White clover Crimson, Arrowleaf and other annual clovers SOURCE: Adapted from Southern Forages 2007
Improved Forage Quality
Forage Quality Difference Forage Crude Protein Digestibility Time in Rumen % hours Grasses Legumes Source: University of Kentucky
Clover Increases Gain PastureDaily Gain Lb/steer Total Gain Lb/steer Total Gain Lb/A Fescue + Ladino Fescue + Nitrogen* *150 lbs/N/ac/yr Source: Hoveland, et.al., Bull. #500, Alabama.
Improved Distribution of Growth
YIELDYIELD MONTH MARFEB Cool season grasses Do Not produce as well during hot, dry months of summer. Deep-rooted clovers like red clover can improve summer production. AUG SUMMER SLUMP
Winter annuals (small grain/annual ryegrass/annual clovers) Warm-season perennial grasses Winter annuals (small grain/annual ryegrass/annual clovers) RELATIVE GROWTH RATE Growth curves for warm season perennial grasses and winter annuals.
Increased Forage Yield
Renovation of Tall Fescue TreatmentYield (Lbs) Nitrogen (lbs) ,600 7,600 9,900 Source: University of Kentucky
YIELDS (LB DM/AC) OF RYE, RYEGRASS & LEGUMES; 6 LOCATIONS, 3 YR AVG Rye, Ryegrass, 200# N5,771 Yuchi Arrowleaf Clover5,530 Turkish Clover5,408 Autauga Crimson Clover5,331 Regal Ladino Clover5,248 Redland Red Clover5,226 Cahaba White Vetch5,008 Mt. Barker Sub Clover4,940 Hoveland & Alison - AAES Bulletin 543
Reduced Risk
Benefits in Crop Rotation
Reduced Animal Toxicities
Environmental Acceptability
More Interesting and Attractive Pastures
Increased Profit Potential
Funding For This Presentation Was Provided By: Oregon Clover Commission P.O. Box 2042 Salem, Oregon Phone: FAX: Developed by: Dr. Garry Lacefield, University of Kentucky Dr. Don Ball, Auburn University John McCulley, Oregon Clover Commission