The seeding rate for perennial ryegrass depends on the intended use, cultivar type, and sowing method, ranging from 8 to 35 kg/ha. The crop requires rate adjustments based on soil fertility levels and the competitive nature of the grass mixture.
In the reference
20
varieties
crop Perennial ryegrass,
where this is mentioned in the description.
For forage purposes, the recommended rate for row seeding is 15–20 kg/ha, for wide-row seeding is 8–9 kg/ha, and for pasture overseeding, the rate is increased to 20–25 kg/ha. In seed production fields, the optimal density is 2–4 million viable seeds per hectare.
The selection of the seeding rate depends critically on the cultivar type: tetraploid forms have larger seeds and therefore require a higher seed rate (up to 25–35 kg/ha) compared to diploid ones. On cultivated soils, the rate is reduced, and the crop's high tillering capacity and sod-forming ability require consideration of its aggressiveness within grass mixtures.
General information about the subject — on the page
Seeding rate.
Varieties of Perennial ryegrass mentioned in the description
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.