Studies on the Grassland Management in Late-Autumn and Early-Spring IV. Effect of application levels of NPK fertilizer in late-autumn on witer survival, early spring growth and yield of grasses(RISS)월동전후 초지관리에 관한 연구 4
Studies on the Grassland management in Late-AuTumn and Early-spring VIII. Effect of nitrogen fertilization levelin early spring on growth , yield and nutritive value of grasses(RISS)월동전후 초지관리에 관한 연구 8