Extensive trials have shown that Fibrophos^® is a very effective source of phosphate across a wide range of agricultural soil types throughout the UK. 

The phosphate in Fibrophos^® is more than 80% soluble in 2% citric acid and nearly half is soluble in neutral ammonium citrate providing a long lasting as well as immediate supply to the growing crop.

Levington Agriculture trials showed that application of Fibrophos^® to both acid and alkaline grassland or arable crops significantly increased available soil phosphate within one month and this increase was maintained for at least 12 months.

As a long lasting source therefore, Fibrophos^® is ideal for raising the soil phosphate status and maintaining it. Used for this purpose when soil phosphate is 0 or 1, Fibrophos^® can be applied at 625kg/ha (5-6 cwt/acre) every two to three years depending on crop potential. This will provide an adequate level of phosphate to ensure full effectiveness of nitrogen or compound fertilisers.

• Phosphate is not prone to leaching, so can be applied at any time of year.

• Phosphate is essential for plant growth development.

• Citric soluble phosphate helps build up soil fertility over time.

• Low phosphate levels across the UK are limiting yields of grass and clover leys.

• Phosphate raises the mineral content of grass and improves the root system.

• Silage removes up to 2kg of phosphate per tonne of 20% DM silage.

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