AGRON 550: Pasture Renovation

Question List the four benefits of pasture renovation.

Replaces old or diseased pasture species with healthy and improved varieties, Extends or increases pasture productivity, Improves forage quality, Increases animal productivity, Reduces soil erosion and surface runoff

Question What things (minimum two) should be considered when deciding renovation need and method?

Current condition, willingness or ability, money and effort, and time frame

Question Is buying low- and medium-quality seed desirable for pasture renovation?

False

Question What factors are important for successful pasture renovation?

Overgrazing management, soil testing, sod disturbance or suppression, and legume seeding

Question Which seasons are good timing for overgrazing?

Fall or early winter

Question What items are needed for soil sampling?

Soil probe, clean bucket, and soil sampling bag

Question What is the soil sampling depth for no-till systems?

4 inches

Question What is the soil sampling depth for pasture?

4 inches

Question What is the soil sampling depth for conventional tillage?

6-8 inches

Question How many composite samples are required for sandy, clay, and loam soils?

3

Question What are the two major types of lime materials?

Dolomite and calcite

Question Which lime material should be applied when soil magnesium is low?

Dolomite

Question What are the four Rs of nutrient management?

Right source, right rate, right time, and right place

Question Why should legumes be included in pasture renovation?

They improve protein levels and reduce pest infestations

Question Which forage species fixes the most nitrogen per acre per year?

Alfalfa

Question Research in Georgia shows tall fescue plus 150 lb N per acre produced more ADG than tall fescue plus Ladino white clover.

False

Question What portion of legumes in a pasture does not require nitrogen fertilizer?

30-40 percent

Question At what grass height can cattle begin grazing?

6-8 inches

Question What is the best forage species for frost seeding?

Red clover

Question What is the main mechanism that makes frost seeding effective?

Freezing and thawing

Question What is the most common seeding method used for frost seeding?

Broadcasting