Influence of Higher Doses of Nitrogen on Yield and Quality of Early Maturing Sugarcane Varieties

Field experiment was conducted at Agricultural Research Station, Perumallapalle during 2008–2009 and 2009–2010 to know the effect of levels of nitrogen on yield and quality of early maturing sugarcane varieties. Four varieties viz., 86V96, 93RR44, 99V30 and 2003V46 were tested under four nitrogen levels viz., 75, 100, 125 and 150% recommended dose of nitrogen. The results of the experiment indicated that yield and yield attributing characters were positively influenced by the increased dose of nitrogen than normal recommended dose. Among the varieties, 2003V46 responded both to lower levels and higher levels of nitrogen indicating high nutrient use efficiency of the variety. Where as the variety 99V30 responded to higher doses of nitrogen i.e. 150% recommended dose of nitrogen, requires higher fertilization compared to other varieties. Levels of nitrogen did not affect the quality parameters of juice.