Pale or yellow green leaves (chlorosis) symptoms appear first in the older leaves.  Reddish tints gradually appear at the leaf margins spread toward the midrib or central vein.  Leaves are small.  Overall growth is markedly reduced. Deficiency results in reduction of rhizome yield.

Application of 140 kg N/ha in the form of Urea in five split doses viz. at planting, 30, 60, 90 and 120 DAP along with 60 kg P2O5 and 60 Kg K2O or foliar spray of DAP 2% or 1% Urea twice at weekly interval.