The experiments," wete conducted in summer. and Wi"nter2001, .ai National Maize Research .
Progrma, Rampur;_ C.hitw_an.· The ~periments were planted on RCBD factor~al-arrangement ~ith
· three · replications. Two early mqize varieties were teste-d, Pool-15 E and Arun-2 . . The main _-
. o_bfective of the experiments war to study the optimum le.vel ·o/nitrogen and plant density for t{arly
\maize varieties. F{e{d experiment on the ear.ly . varieties of maize revealed ~ non-significant"
.respQnSe to three levels of nitrogen (60, 90, . and 120 kg/ha) and three plant densities. (53, 000, ·
 71,000 and 95,000plantslhaj during the summer. However, the highest grqinyield of2.352 t/ha
\ wqs produced by Arun-2 variety at 120/ig Nl ha-and 95,000 plant/ha .. Simiiar experiment dur.ing.
2 002. winter revealed a significant response oft reatments.

The experiments," wete conducted in summer. and Wi"nter2001, .ai National Maize Research .
Progrma, Rampur;_ C.hitw_an.· The ~periments were planted on RCBD factor~al-arrangement ~ith
· three · replications. Two early mqize varieties were teste-d, Pool-15 E and Arun-2 . . The main _-
. o_bfective of the experiments war to study the optimum le.vel ·o/nitrogen and plant density for t{arly
\maize varieties. F{e{d experiment on the ear.ly . varieties of maize revealed ~ non-significant"
.respQnSe to three levels of nitrogen (60, 90, . and 120 kg/ha) and three plant densities. (53, 000, ·
 71,000 and 95,000plantslhaj during the summer. However, the highest grqinyield of2.352 t/ha
\ wqs produced by Arun-2 variety at 120/ig Nl ha-and 95,000 plant/ha .. Simiiar experiment dur.ing.
2 002. winter revealed a significant response oft reatments.