Abstract
Abstract Triticales (X Triticosecale, Wittmack), 6TA 131, 6TA 298 and 6TA 298 and 6TA 385, Arthur wheat (Triticum aestivum L.), and Abruzzi rye (Secale cereale L.) were grown in a soil treated with 0, 50, 100, and 200 ppm N. The objective of this study was to determine the influence of N rate on dry matter yields, N uptake, and N utilization efficiency. The dry matter and N uptake increased while the N utilization efficiency decreased with increasing N fertilizer applied to the soil for all the cultivars. At high N rate, rye had higher dry matter and N uptake than the triticales and wheat; no consistent differences were obtained between triticale and wheat. However, rye and triticale tended to be more efficient in utilizing absorbed N than wheat at the lower N rates.
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