Data from: High soil test phosphorus effect on corn yield

Charles Wortmann, Charles Shapiro, Tim Shaver & Michael Mainz Retired
Phosphorus removal in crop harvest has increased as yields have increased. Fertilizer P use guidelines are based on calibrations often developed for much lower yield levels and may need recalibration. Corn yields may be greater with higher than recommended soil test P when springs are relatively wet and cool. Research was conducted across 12 irrigated and five rainfed siteyr in Nebraska with initial Bray-1 P ≤ 11 mg kg–1 to evaluate P application strategies for...
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