In this experiment comparison was made for the agronomic characteristics and quality of forage rye among the different growing stages. Rye was harvested every 5 days, then separated into three parts and determined the quality. Before harvesting, plant height and yield were recorded. Dry matter yield increased continuously, while fresh matter yield decreased after heading. ADF and NDF value increased before blooming and then showed a slight fluctuate. In addition, highest CP content appeared on jointing stage. TDN and RFV went down until blooming stage and then showed a steady trend. So the proper harvest time is from heading to blooming stage for forage rye.

• Guoqiang Zhao(Graduate School of International Agriculture and Technology, SNU)
• Chang Liu(Graduate School of International Agriculture and Technology, SNU)
• Hakjin Kim(Research Institute of Eco-Friendly Livestock Science, GBST, SNU)
• Jong Geun Kim(Graduate School of International Agriculture and Technology, SNU, Research Institute of Eco-Friendly Livestock Science, GBST, SNU)