Siberian wildrye (Elymus sibiricus L.) is a perennial and self-fertilizing forage grass that support animal husbandry environmental sustenance in the world. In order to explore influence of nitrogen(N) application seed production, field experiments were conducted evaluated effect different N treatments (of 0, 30, 60, 90 120 kg/hm2) on dry matter, accumulation, transport utilization, yield compo...