Zhang, Juan [Effects of plant density and nitrogen level on nitrogen uptake and utilization of winter wheat]. [electronic resource] - Ying yong sheng tai xue bao = The journal of applied ecology Jun 2015 - 1727-34 p. digital Publication Type: Journal Article ISSN: 1001-9332 Subjects--Topical Terms: FertilizersNitrates--metabolismNitrogen--metabolismSoil--chemistryTriticum--physiology