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2021 Ultra Early Seeding of Spring Wheat

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Is it possible to seed wheat earlier in the season? If so, can you seed at temperatures between 0 and 10°C? Would cold air and soil temperatures affect yield, test weight, thousand kernel weight and emergence? This experiment aims to answer all of these questions. Two hard red spring wheat varieties (AAC Brandon and AAC Connery) were selected to be seeded as soon as ground temperature was above 0°C (May 6 for the 2021 growing season) at 56.6, 84.9 and 113.2 plants ft-2. Seeding of the same varieties at the same seeding rates also took place later in the season when ground temperatures were above 10°C (May 20).

2021
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Cereals,Wheat

Trial Name: 2021 Ultra Early Seeding of Spring Wheat

Description

Is it possible to seed wheat earlier in the season? If so, can you seed at temperatures between 0 and 10°C? Would cold air and soil temperatures affect yield, test weight, thousand kernel weight and emergence? This experiment aims to answer all of these questions. Two hard red spring wheat varieties (AAC Brandon and AAC Connery) were selected to be seeded as soon as ground temperature was above 0°C (May 6 for the 2021 growing season) at 56.6, 84.9 and 113.2 plants ft-2. Seeding of the same varieties at the same seeding rates also took place later in the season when ground temperatures were above 10°C (May 20).

Project Details:

Seeding Depth: 1 in.
Treatment & Varieties:
  1. Seeding Date (Early and Normal)
  2. Seed Variety (AAC Brandon and AAC Connery)
  3. Seeding Rate (19 seed/sq. ft., 28 seed/sq. ft., and 37 seed/sq. ft.)
Maintenance Applications:
  • May 06 - 46-0-0-0 (140 lb/ac) and 13-33-0-15S (100 lb/ac)
  • May 16 - RT 540 (0.66 L/ac)
  • May 20 - 13-33-0-15S (100 lb/ac)
  • Jun. 10 - Prestige A (0.32 L/ac) and Prestige B (0.81 L/ac),
  • Jun. 29 and Jun. 14 - Coragen (0.101 L/ac)
  • Sep. 03 - Roundup Transorb HC (1 L/ac)

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