University code: 10223 Classified code: S513 Graduate number: XS1211047 Confidential degree: Public
Heilongjiang Bayi Agricultural University
Master Dissertation
Effects of Nitrogen Fertilizer Application Based on Leaf Age Index on the Formation of Yield and Quality of Maize in Cold Region
Postgraduate: Liu Hui-di Supervisor: Professor Yang Ke-jun Major: Crop cultivation and geoponics Research direction: Maize yield theory and technology College: College of Agronomy