Figure 2.
Heat map depicting the variation of chemical compounds identified in the costus oil in response to different NPK treatment combinations. N60, N90 and N120: N applied @ 60, 90 and 120 kg ha-1, respectively; P20, P40 and P60: P applied @ 20, 40 and 60 kg ha-1, respectively; K20 and K40: K applied @ 20 and 40 kg ha-1, respectively.