Abstract:
Judicial water use, as well
as improving water use efficiency in
agriculture is new challenge.
Conservation tillage, as well as
mechanical seeding system, offers various
benefits over intensive tillage system.
Considering this, the study was conducted
to find out the water requirements and
appropriate deficit irrigation schedule of
wheat on different seeding system. This
study consisted of following irrigation
treatments, like I1 = Irrigation at CRI
stage, I2 = Irrigation at CRI and vegetative
stages, I3 = Irrigation at CRI and grain
filling stages and I4 = Irrigation at CRI,
vegetative and grain filling stages on four
mechanical seeding methods, like T1 = Bed planting, T2 = PTOS, T3 = Strip
tillage, and T4 = Zero tillage and laid out
in a split plot design with three
replications. From the result based on the
grain yield and water productivity, bed
planting (T1) and three levels of irrigation
(I4) was found as the best combination for
wheat cultivation. Besides, at water
scarcity area bed planting (T1), with two
irrigation I2 (CRI and vegetative) was the
suitable reduce irrigation scheduling for
wheat cultivation. In different seeding
methods, bed planting was increased yield
about 10.58%, followed by PTOS and
yield was identical in PTOS and ST.
Comparatively, lowest yield was observed
in zero. In irrigation treatment, three
irrigations (I4) was observed, the best
scheduling for wheat on all seeding
system and yield was increased 11.98% in
I4, followed by I2 and lowest yield was
found in I1. The result also revealed that
the soil moisture contribution was
decreased with increased applied water, as
well as number of irrigation.
