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
A field experiment was carried out to determine the effects of nitrogen(N) fertilization levels(0, 30, 60, 90 and 120 kg/ha) in early spring on the growth, dry matter(DM) yield, seasonal distribution of production and nutritive value of grasses. Additiona