Roughage Quality of Second Crop Sorghum-Sudangrass Hybrids Sorghum bicolor x Sorghum sudanense Stapf.) Growing on Bilecik Ecological Condition Journal title: MAS Journal of Applied Sciences Authors: Yusuf Murat KARDEŞ, Erdem GÜLÜMSER, Hanife MUT Subject(s): Chemistry, Computer and Information Science, Engineering, Environmental Sciences, Agricultural Science