Abstract:
A field experiment was
conducted to study the effects of foliar
spraying of aqueous solutions 2 and 4%
urea at two stages (before and after
flowering) and 20 kg/ha urea application in
soil (three-week after sowing) on growth,
yield and yield components of chickpea
cultivars (Azad and ILC 482) under rain-fed
conditions. Results showed that the plant
height, height of lower pod and 100-seed
weight were significantly affected by
cultivars. Plant height of Azad cultivar was
significantly higher than that of cv. ILC
482. There was no significantly difference
between cv. Azad and cv. ILC482 on
biological yield. Grain yield of cv. ILC 482
was 4.2% less than that of cv. Azad,
however, this difference was not statistically
significant. The interaction of urea
application × cultivar for days to maturity
and pods per plant was significant. Lowest
days to maturity of Azad were achieved
under 20 kg urea applications but for
ILC482, it was recorded under 4% urea
spraying before flowering. Urea spraying at
before flowering of ILC 482 cause reduction
in days to maturity, and lowest period was
observed at this stage. The effect of urea
treatment on plant height was notable but
other traits were not significantly affected
by nitrogen applications. Highest plant
height was obtained by application of 20
kg/ha urea in soil. However, difference
among 20 kg urea application, 2% and 4%
urea spraying before flowering was not
significant. It can be concluded that the
nitrogen fertilizer applying in rain-fed
chickpea is not effective. Consequently,
unused nitrogen in the soil/or plant can
cause soil and air pollution.
