Regular reseeding and careful selection of grass seed varieties are essential for maintaining productive, high-performing swards. Across Ireland, livestock farmers have made significant progress in improving grassland management—maximising the use of grass and clover and successfully extending the grazing season from early spring through to late autumn.

At Specialist Nutrition, we see reseeding as one of the most valuable and cost-effective steps a farmer can take. High-quality grass swards not only boost grass utilisation and animal performance, but also support more efficient use of fertiliser—helping farmers lower input costs while achieving greater returns from their land.

Understanding the Importance of Reseeding

Reseeding is a crucial aspect of grassland management, directly impacting farm productivity and profitability. Despite its benefits, less than 2% of Ireland’s grassland is reseeded annually, leaving many pastures underperforming. Prioritising reseeding can lead to:​

  • Enhanced Productivity: New swards yield higher-quality grass, boosting daily liveweight gains and milk production.​
  • Improved Nutrient Efficiency: Freshly reseeded pastures utilise nitrogen more effectively, optimising nutrient use and reducing input costs.​
  • Economic Advantages: High-quality grazed grass is a cost-effective feed source, decreasing reliance on expensive supplements.​

Key Considerations for Selecting a Grass Seed Mix

Choosing the appropriate grass seed mix is vital for successful reseeding. Consider the following factors:​

1. Intended Use of the Sward

Determine whether the pasture will be primarily used for grazing, silage, or a combination. This decision influences the selection of grass varieties that best suit your farming objectives.​

2. Soil Type and Conditions

Assess your soil’s characteristics, including drainage and fertility. Some grass varieties perform better in specific soil types, so matching the seed mix to your soil conditions is crucial.​

3. Variety Selection: Diploids vs. Tetraploids

Grass varieties are categorised into diploids and tetraploids, each with distinct traits:​

  • Diploids: Known for their dense sward and good ground cover, making them suitable for wetter conditions.​
  • Tetraploids: Characterised by larger leaves and higher palatability, they offer better digestibility and are ideal for drier soils. New-generation tetraploids have been specially bred to outperform traditional diploids, offering quicker establishment, improved stress tolerance, and enhanced overall quality.

4. Clover Inclusion

Incorporating white or red clover can enhance nitrogen fixation, improve protein content, and reduce fertiliser requirements. Spring is an ideal time for establishing clover due to favorable soil temperatures.​

The Reseeding Process: Steps for Success

  1. Soil Testing: Conduct a comprehensive soil analysis to assess pH and nutrient levels, applying lime and fertilisers as needed to optimise soil fertility.​
  2. Sward Destruction: Use a suitable herbicide to eliminate the existing sward, allowing adequate time for it to take effect before cultivation.​
  3. Seedbed Preparation: Aim for a fine, firm seedbed to promote good seed-to-soil contact, essential for uniform germination.​
  4. Sowing: Select high-quality grass seed mixtures that align with your farm’s needs, sowing at the recommended rate to ensure optimal establishment.​
  5. Post-Sowing Management: Implement effective weed control measures and manage grazing carefully to encourage tillering and sward density.​

Enhancing Forage Utilisation with Specialist Nutrition

At Specialist Nutrition, we understand that optimal pasture performance extends beyond reseeding. Our range of moist feeds, liquid feeds, and mineral supplements are designed to complement your forage, ensuring your livestock receive balanced nutrition throughout the year. By repurposing co-products from breweries, distilleries, and food manufacturers, we provide sustainable and cost-effective feed solutions that support the circular economy.​

Conclusion

Spring reseeding is a strategic investment in your farm’s future, leading to enhanced pasture productivity, improved animal performance, and greater economic returns. By carefully selecting the right grass seed mix and implementing best management practices, you can make the most of your grassland. For personalised advice and support on reseeding and nutrition strategies, contact Specialist Nutrition today.

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