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Spring Barley cover crop seed can be used as a cover crop in the spring or planted in the fall to provide a fall forage for deer. Winter barley grass is the most susceptible to winterkill of the cereal grains. Consideration should be made when grazing late into the fall. Barley’s value as a silage crop is the most comparable to whole-plant corn (90-100%).
1 = Poor; 5 = Excellent
Compaction Alleviation: 1
Weed Suppression: 4
Biomass Production: 5
Erosion Control: 4
Disease/Pest Control: 3
P & K Cycling: 3
Ease of Establishment: 4
Nitrogen Fixer/Scavenger: Scavenger
Values Vary Greatly Depending on Maturity
Crude Protein: 12
NEL¹ Mcal/lb.: .58
DM Tons/Acre: 2-4
Days to First Harvest: 50
Days to Next Harvest: –
¹- Net Energy for Lactation = Energy available after subtracting digestive and metabolic losses
²- Acid Detergent Fiber = Low values mean more digestible
³- Neutral Detergent Fiber = Low values mean cows can eat more
Ranking (Good, Better, Best):
Mono (lbs./acre): 30-50
Mix (lbs./acre): 20-40
Forage (lbs./acre): 80-120
Aerial (lbs./acre): NR
Carbon/Nitrogen Ratio (C:N): Straw- 80:1
Seeding Depth (in./with drill): 3/4-1
Bulk Density (lbs./ft.³): –
Aerial Application Rate: Not Rated
Germination Soil Temp.: 38 F
USDA Hardiness Zone: 6
Days to Emergence: 6-8
Barley is the most susceptible to winterkill of the cereal grains. Consideration should be made when grazing late into the fall. Barley’s value as a silage crop is the most comparable to whole-plant corn (90-100%).
Fertilizer removal rates need to be considered as well. When utilizing cover crops as forage, it’s critical to consider the nutrients being removed along with the biomass. These fertilizer levels will need to be added to ensure maximum nutrient availability for the following cash crop.
Hay yields often average between 2-4 tons/acre. Moisture content should be between 15-20% moisture. Hay quality is more maturity-dependent at harvest than is silage.
The most efficient time to harvest small grain cereals for hay is at early-milk stage. This allows for the greatest compromise between forage yield and
quality (quality would be greatest at the late-boot stage). To help speed up drying, a crimper is recommended when harvesting in the late-boot stage
Wheat, barley, oat and triticale silage yields are similar, 4-7 tons/acre of 35% dry matter forage in the boot stage and closer to 6-10 tons/acre when harvested in the late-boot stage. Small grains should be ensiled at between 62–68% moisture. Chop length should be set finer than when harvesting corn or forage sorghum. (Kansas State University)
Scale 1-9, where 9 = best or most pronounced