Materials and methods
The proposed study was conducted at the Research Farm of Sugarcane Research
Institute, Ayub Agricultural Research Institute, Faisalabad, on a clay loam soil. The
experimental field was selected keeping in view the previous weed history of the field to
ensure availability of the weeds. Experiment was conducted for two consecutive years
(2005-06 and 2006-07). The sugarcane variety HSF-240 was selected for study. The crop
was sown in the first week of March each year. The seed rate was 75,000 double budded
setts ha-1. Fertilizer was applied @ 168 kg N, 112 kg P2O5, and 112 kg K2O per hectare in
the form of urea, single super phosphate, and SOP, respectively. The whole P, K and 1/3rd
of N was applied as basal dose while remaining N was applied in two splits, 1/3rd, at
completion of germination and 1/3rd at the completion of tillering by side dressing.