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Pasture Primo

Provides a rich source of calcium and phosphate through a blend of BioAgPhos and lime.
Phosphorus 4.0% | Calcium 37.0%

An immediate and sustained release phosphate fertiliser made from high-grade reactive phosphate rock composted with BioAg’s proprietary phosphate digester. Combined with lime to improve liming effect. Phosphorus, 0% water-soluble, and a minimum of 35% Citric Acid and 65% Formic Acid solubility

Ideal for livestock producers who use contractors to top-dress their pastures or are unable to do their on-farm blending.

  • A natural and sustainable alternative to conventional fertilisers
  • Rejuvenates natural soil fertility and structure by countering soil acidity and providing calcium.
  • Delivers immediate and sustained release of phosphorus
  • Reduces nutrient losses due to common issues such as leaching and lock up
  • Safe for use on all areas, including waterways
  • Small particles enable even distribution; beneficial given P is not mobile in soils
  • Well suited to blending with ameliorants such as lime, gypsum and compost
  • Independent analysis shows that 100% of the phosphorus is bioavailable / plant accessible
  • Can be applied at any time of the year.
  • BioAg Pasture Primo is a certified organic input.

To purchase

Contact your Area Manager today for a tailored plan for your crop.

Pasture Primo resources

  • 'Super' or reactive phosphate rock?

    What is superphoshate? Superphosphate, ‘SSP’ or ‘super’ is a fertiliser processed using sulphuric acid to boost the water solubility of phosphorus. Various strengths of P plus additions of nitrogen make up a range of products that feature a high proportion of nutrients ...

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  • Measuring P in soils when using natural phosphate fertilisers

    The Olsen and Colwell soil tests are strongly correlated when using water soluble/chemical fertilisers. However, these tests will likely underestimate plant available phosphorus (P) when fertilising with natural fertilisers such as RPR or BioAgPhos. P is an important el...

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  • Reactive phosphate rock fertiliser

    The phosphate rock used in agriculture is known by a number of names. Reactive phosphate rock (RPR), direct application phosphate rock (DAPR), mineral phosphate, soft rock, hard rock. Variants on all of these are names or brands used across the fertiliser industry. Phos...

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