Planting date and nitrogen rate effects on spring malting barley.

(...) This study was conducted to determine planting date and N rate effects on grain yield, grain protein, kernel plumpness and yield components of spring malting barley grown under a production system that minimized crop water stress. Between 1984 and 1988, Klages' barley was planted at 2-wk intervals between 15 April and 19 May (expressed as days from 1 January) at Powell, WY on a Garland clay loam. Ammonium nitrate was applied at rates of 0, 67, 134, and 202 kg N ha -1 (...)