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Dual Purpose Swards: Sowing & Growing

Suitable soils and optimum pH

These ryegrass-based leys grow on all but the most waterlogged soils. They are best suited to pH6 or above but will grow down to pH5.6.

When to sow

Seed can be sown between March and mid September when soils are warm and sufficient moisture is available.

How to sow

A very firm seed bed is required as white clover and Timothy seeds are small and benefit from shallow sowing at around 10mm. (You should be able to ride a bicycle across the field before sowing!) Rolling at least once after sowing is strongly recommended. If under-sowing, do not choose a thick crop as this will result in failure; a thinly sown spring cereal is ideal. A clover seed mix is best sown by broadcasting with a spinner but can also be sown with a proper grass seed drill.


As the main period of grass growth is during May and June, it makes sense to take a cut of silage or hay during this time. Additionally, where grass growth exceeds grazing demand more can be cut and round-baled as silage.

Ideally, these leys should be rotationally grazed with an interval of 3-5 weeks for recovery and regrowth.

Seed mixtures containing hybrid ryegrass should be relied upon for up to four years only.

Nutrient requirements

These leys should receive no more than 100kg N/ha with the biggest demand (60kg N/ha) in March and April if a silage cut is to be obtained. Pochon Dairy requires very little or no N as the high clover content (30-50%) will fix N in the soil.

Yield potential

12t DM/ha should be achieved.

Date Posted: 18th January 2018


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