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Terms in this set (21)
Dr. Hancock summarized some conclusions concerning mob grazing in his youtube video:
soil organic matter increases more from roots then decaying leaves on the surface
According to the grazing stick video, the black dots and grid on side of the grazing stick help determine:
forage coverage or density
Livestock species that will lead to greatest increase in legume populations in pastures:
What happens to forage yield and quality when stockpiling period when plants are dormant?
Root carbohydrate reserves higher over winter then would be if grazed right up to dormant season. Major regrowth benefit.
Other then conservation of forage for later grazing, what are two additional benefits of stockpiling forage?
1. Manure has all winter to mineralize and is available just in time for spring
2. Grazing stopped early and begins again after dormant. major regrowth benefit
What grazing behaviors make horse pastures so difficult to maintain properly?
1. They graze 75% of the time
2. More soil compaction and plant damage
3. Graze plants close to the ground which decreases regrowth rate
4. Very selective - prefer grasses
5. Graze unevenly
Describe how gain per acre changes with increasing stocking rate and why?
With an increase in stocking rate, the gain per acre will eventually descend after it peaks. This is from increased pressure from additional animals grazing.
Yield estimates should be done more frequently on C4 species because:
There are more environmental factors that affect the yield of C4 plants when compares to C3 plants.
Using rotational grazing systems, grazing periods are followed by rest periods, but rest periods during plant dormancy do not count. Why?
When plants are dormant they are not producing new tillers or replacing carbohydrates that were used during grazing/harvest.
Regarding long term production over several years on perennial forage at the same stocking rates, what would be better: rotational or continuous grazing?
Rotational grazing would be better because it allows for the plants to go through a rest period and regrow.
Providing first access to animals with the highest nutritional needs is ______ grazing.
Forward stocking or First-last grazing
Young animals pass through a narrow opening to areas with more nutritious forage is ______ grazing.
Systems using extremely high stocking density, rapid movement, long rest periods is ______ grazing.
Many forage trees produce new branches from stumps or roots if cut down frequently. This response is called?
Most commonly planted forage tree, palatable and high yielding subtropical legume, but not cold tolerant, produces mimosine:
How does a mature silvopasture system change yield and quality of warm-season grasses and establishment of cool-season grasses?
Cool season forages benefit from shelter and shade. C4 grass yields are reduced. This yield reduction can be beneficial because over-seeded cool season forages can survive better with less competition from grasses.
How do trees and animals benefit in a silvopasture system?
Trees benefit from weed suppression and nutrient recycling from manure. Animals benefit from the shade.
What are the different advantages of planting wildlife forages in long narrow plots vs big square plots?
Long narrow plots - Animals are more secure near cover and use plots more.
Big square plots - Less grazed in center, better way to ration forage over time.
Long lived perennial forb, rosette form with flowers, then long flat leaves, anthelmintic properties, long grazing season:
Produces nut like, very nutritious tubers for turkeys to scratch up, expensive seed and expensive to grow:
Which are legumes? Sunflower - Lablab - Brassicas - Mimosa - Mulberry - Sesbania
Sunflower - Lablab - Brassicas
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