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Response to starter applied sulfur in combination with nitrogen and phosphorus across a landscape (77 K PDF)

Soil test phosphorus and potassium as affected by site specific soil fertility management (76 K PDF)

What grid cell size is best for P and K soil testing in Minnesota (514 K PDF)

Short-term stability of soil test phosphorus in agricultural fields (597 K PDF)

Spatial variability of soil test phosphorus in a northern corn belt field (239 K PDF)

Precision phosphorus management for soybean (311 K PDF)

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