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Pasture
Heading date is when a paddock visually has 50% of the plants seed heads emerged. Heading dates are defined relative to the cultivar Nui, heading at day 0.
For key heading date information, download here.
Aftermath heading refers to the number of seed heads produced after the main heading event. If there are a lot of seed heads produced after the main heading event (high aftermath heading) then this means pasture quality is reduced. If there are minimal seed heads produced (low aftermath heading) then pasture quality is maintained for longer.
Do you need strong ryegrass growth rates early in spring or is late spring feed quality more important?
Early/mid season heading ryegrasses can provide more dry matter earlier in spring, late season heading ryegrasses yield higher quality feed in late spring. Your farms’ ryegrass portfolio should include a range of early/mid and late heading ryegrasses to deliver a balance of early season growth plus late spring feed quality.
