Diamond T
Diamond T tetraploid annual ryegrass was developed by OreGro research to provide a high quality, high yielding variety with world-wide adaptability. Currently used on five continents, Diamond T has proven to be an excellent short-term annual that provides forage for increased meat and milk production. High palatability with high animal intake yields more profits per acre for the livestock producer. Whether for pasture, hay, or silage, Diamond T is a proven winner that will be an asset in your forage program.
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Annual ryegrass can be planted almost year around, as long as nighttime temperatures are above 40 degrees and daytime temperatures are above 55 degrees, adequate germination and growth can be accomplished.
Fall, South
September through March, depending on location.
Fall, North
August through October.
Spring
As soon as the temperatures are adequate. Can be frost seeded. If overseeding warm-season pastures, mow or graze warm-season grasses short before planting annual ryegrass to aid in establishment.
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• Always take soil test and consult your local extension service or fertilizer dealer for specific recommendations.
• Sowing: depending on soil test, a complete fertilizer such as 16-16-16 is helpful for establishment.
• Correct soil acidity, best between 5.5 and 7.
• A minimum of 30-40 units of nitrogen after each grazing or cutting will maximize forage production.
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• Graze lightly when grass reaches 6 inches.
• Never graze below 3 inches.
• Short, intensive grazing is ideal.
• Avoid grazing when frozen.
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• Never cut below 3 inches.
• Highest quality is at vegetative maturity.
• Optimum level of yield to quality ratio will usually maximize at boot stage.
Trials
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Plains, GA
2 yr. ave. 2017-19
lbs./acre Diamond T 6,880 Prine 6,797 Attain 6,569 Fria 6,395 Big Boss 6,195 -
Overton TX
3 yr. ave. 2017-20
lbs./acre Diamond T 8,094 Jackson 7,537 Nelson 7,298 Gulf 6,853 Prine 6,293 -
Alabama, Southern Region
2020
lbs./acre Diamond T 4,555 Nelson 4,175 Attain 4,120 Marshall 4,079 Grits 4,022 -
Starkville, MS
2017
lbs./acre Diamond T 9,724 Nelson 8,400 Big Boss 7,663 Jumbo 7,585 Marshall 7,519
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