If a 20 ha field is mapped as being within a single soil consociation,a composite single soil sample can be expected to represent the correct level of available (soil test)phosphorus for at 85% of the field.

Question

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A single composite soil sample may not accurately represent the available phosphorus levels across the entire field due to potential variability within the soil consociation, especially in larger fields where micro-environmental conditions can cause variability in soil properties.

If a 20 Ha Field Is Mapped as Being Within