OptiYield® Soil Analysis Results Report

• Soil Texture: Breakdown of key textural groups
• Cation Antagonism: Ca, Mg & K compete for uptake at the root interface, adding one will often affect the availability of the others
• Soil Fitness : 16 factors combine to determine both soil health and ability to grow crops
• Manure Nutrients : Shows the nutrients (N, P205, K20 and MgO) breakdown of organic manures that are added to the soil before planting. These levels are then accounted for within the fertiliser recommendations. 
• Potash Supply/Demand : The soil analysis determines the levels of potash that are available within the soil and the rate at which the soil can release potash in a plant available format.  The potash demand level is calculated by crop needs and growth stage.  The ‘gap’ between the supply and demand is the additional amount that is required to ensure the that the crop is not deficient.

Standard soil analysis tests plus organic matter meeting SAM1 of the Sustinabale Farming Incentive.

Phosphorus Sorption Index (PSI) provides a percentage measurement of the soil’s capacity to retain or release phosphate to the crop. The higher the percentage, the more available the phosphate. PSI has been both measured by a new laboratory method unique to OptiYield and calculated using a number of soil factors providing two independent techniques, providing reliable and accurate interpretation.

Graphics show availability levels of the 4 cations, accounting for any antagonsim, including any recommendation for fertiliser addition.

Micronutrient analytical levels are corrected against algorithms using multiple soil characteristics affecting availability.

Additional notes, comments or observations that may need to be considered.