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1. Effects of Residue Density, Strip Tillage, and Starter K on No-till Corn Grown in Wheat StubbleField studies were conducted in 1992 to 1994 at 2 locations in southern Illinois to evaluate the influence of wheat straw residue density and stl-ip-tillage vs no-tillage on corn growth and yield. Corn growth and resultant yield is frequently reported by producers to Se depressed in the residues of a previous wheat crop. Allelopatliy is thought to be at least partially involved. The objective of the research was to evaluate straw level (removed, remain non-modif ied, and doubled), strip tillage,... |
2. Corn Responses to Sulfur Fertilizer in IndianaCorn yield increases in response to sulfur (S) applied as ammonium thiosulfate in liquid N (in sidedress and/or starter fertilizer applications) occurred in ~40% of 40 trials conducted between 2017 and 2021 and ranged from 4 to 24 bushels per acre on responsive sites. Increased grain yield with S fertilization occurred on soils ranging in texture from sandy loam to silty clay loam and soil organic matter concentrations from ~1 to 3%. Yield increases with S fertilization were not predicted by Mehlich‑3... J. Camberato, D. Salguero, R. Nielsen |