AgProfessional.com has another story reminding us of The Roots of Nutrient Uptake. It’s not enough to have the nutrient out there on the field, they need to be available for the plants.
One of the challenges with manure application for plant nutrition is that the nutrients are broadcast across the field. Even if you have the correct nutrients for optimal plant growth, they may not be available to the plants simply because they’re out of reach of the roots. Over the years, slight variations in seeding patterns and small amounts of nutrient movement within the field will cause these nutrients to be available to the plants, but for any given year, the plants may be deficient. In most situations, it makes sense to have at least some starter fertilizer even on the fields with very high nutrient levels.
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