DDPhos RPR

DDPhos is granulated using Gypsum and water as the binding agent. This granulation process can lead to varying product analysis within shipments. At Dickie Direct we take an average of this analysis and guarantee total nutrient to be within +/- 5% of the specified total nutrients.

Summer, Autumn, Winter, Spring

• RPR should be used in conjunction with Triple Super or DAP when a more immediate release of phosphate is also required.
• When transitioning from more conventional phosphate forms RPR should be used in conjunction with Triple Super or DAP until sufficient phosphate has started to be released from the RPR, this can be 1-2 years depending on the soil environment and climatic conditions.

• The most important role of phosphorus is the storage and transfer of energy that is generated through photosynthesis along with the metabolism of carbohydrates.
• Phosphorus is an essential compound of Adenosine Triphosphate (ADP), the energising component driving plant development.
• Phosphorus deficiency has a huge impact on plant growth and reproduction, reducing the plant processes noted below.
• Processes aided by phosphorus:
  • Large root growth
  • Early formation of plant shoots
  • Improved stalk and stem strength in crops
  • Improved fruit, vegetable, and grain quality
  • Seed formation
  • Resistance to moisture and colder temperatures

• Calcium is vital for both plant and animal growth
• An essential part of the plant cell wall and membranes, aiding in plant structure and stability
• Earthworm activity is increased by the presence of calcium in the soil profile, therefore natural soil aeration is also increased
• Boosts soil microorganism activity, improving soil structure
• Calcium deficiency affects fruit crop quality and growth, and limits biological activity
• Calcium and magnesium work in synergy to promote stable soil structure
• Involved in the signalling of the availability of other nutrients (e.g. potassium), through its secondary messenger characteristics
• Assists in protecting the plant from biotic stresses

• The slow release nature of RPR improves phosphate utilisation and extends the response to phosphate in between applications, especially on soils with both high and low ASC.
• RPR has a high calcium content, having a neutralising effect on pH. It is also not acidifying the soil like other forms of phosphate fertilisers. Save money on a reduced requirement for liming when using RPR.
• Enhances soil health and biology. Soil microbes which are a vital component of healthy soils are more active in basic soil conditions, the non-acidic nature of RPR protects this environment. Get your soils doing more of the work for you.

• Contains a high P content compared to alternative RPR’s resulting in lower freight and application costs.
• Citric solubility ranges from 36%-40% as a result of the product being ground to an average particle size of 74 Micron before the granulation process. Allowing the phosphate to be made available to the plant faster than other RPR fertilisers.
• A faster release period of 2-3 years in typical conditions; a quicker/better return on your fertiliser investment.
• In a granule form giving it very good blending and application characteristics.
• Very low heavy metal content with cadmium testing at 1-2ppm.
• Blend easily and accurately with Sulphur 90S (slow release) to to meet medium and long term sulphur requirements.
• Blend easily and accurately with DAP and/or TSP to achieve a balance between fast and slow release phosphate.