Comparative Assessment of Different Rearing Diets on the Developmental and Reproductive Behaviour of Fall Armyworm, Spodoptera frugiperda (Lepidoptera: Noctuidae)
Neotropical Entomology,
Journal Year:
2025,
Volume and Issue:
54(1)
Published: Feb. 20, 2025
Language: Английский
TECHNICAL AND ECONOMICAL PARAMETERS INFLUENCING THE PERFORMANCE AND FEASIBILITY OF ARMATRAC TRACTOR TO PERFORM PRIMARY TILLAGE AND PLANTING OPERATION IN SILTY CLAY LOAM SOIL.
IRAQI JOURNAL OF AGRICULTURAL SCIENCES,
Journal Year:
2024,
Volume and Issue:
55(3), P. 1239 - 1250
Published: June 26, 2024
This
study
was
aimed
to
determine
the
influence
of
performing
primary
tillage
by
moldboard
plow
and
planting
operation
four
rows
Gaspardo
planter
on
some
performance
economic
indicators
Armatrac
tractor
854e
84
hp
(62kw).
The
system
calculates
measures
slippage
percentage,
draft
force,
energy
requirements,
total
costs
for
at
three
practical
velocities
two
depths.
Planting
performed
5
7
cm
depth
under
2.90,
4.27,
5.28
km.h-1.
while
ploughing
15
20
3.89,
5.28,
6.67
Two
factorial
experiments
were
carried
out
using
randomized
complete
block
design
with
factors
replications.
results
analysis
variance
showed
that
increases
velocity
in
increase
percentage
force
but
decrease
requirements
costs.
Furthermore,
this
revealed
Language: Английский
Is using combined tillage implements the solution?
University of Thi-Qar Journal of agricultural research,
Journal Year:
2024,
Volume and Issue:
13(1), P. 101 - 108
Published: June 1, 2024
The
fuel
consumption,
energy
requirement,
the
time
of
prepare
seedbed,
tractor
wheel
slippage
and
number
passes
in
field,
all
this
factors
make
farmer
choose
more
efficient
method
plowing.
Compound
tillage
is
solve
means
that
two,
three
or
different
plowing
tools
are
work
at
one
for
soil,
pulverization,
seeding
fertilize,
aid
way,
reduce
drudgery,
saving
field
operation.
primary
(conventional)
secondary
implements
becoming
expensive
time,
cost,
additional,
need
several
to
which
increase
compaction
damage
soil
leads
formation
hard
pan
due
machines
movement.
size
holdings
Iraq
middle
usually
small,
way
width
speed
less
useful
effective,
therefore,
shorten
traffic
by
use
a
combination
consider
better
solution.
cost
44-55%,
50-55%
enable
farmers
trips
over
also,
shortage
farm
labor.
Carrying
out
process
compound
with
two
equipment
consumption
power
requirement
foe
best
seedbed.
In
review,
various
paper
researches
on
implement
will
be
discussion.
Language: Английский
Preparing educational tissue slides for students of the Department of Medical Laboratory Technology in southern technical collage
Fatima Ayad
No information about this author
University of Thi-Qar Journal of agricultural research,
Journal Year:
2024,
Volume and Issue:
13(1), P. 57 - 66
Published: June 1, 2024
The
purpose
of
this
research
is
to
learn
how
make
a
microscopic
slide
animal
or
plant
tissue
and
prepare
it
for
examination
by
means
compound
microscope.
There
no
doubt
that
those
concerned
with
are
students
medical
sectors
at
all
stages
matters
histology,
embryology,
anatomy,
cell
science,
sciences,
was
done
in
the
pathological
analysis
department
Medical
Technical
Institute
Basra
specifically.
Language: Английский
FIELD COMPARISON OF THE PERFORMANCE OF SLATTED AND GENERAL PURPOSE MOLDBOARD
Ahmed Abd Ali. Hamid,
No information about this author
Ali Al-Sabbagh
No information about this author
IRAQI JOURNAL OF AGRICULTURAL SCIENCES,
Journal Year:
2024,
Volume and Issue:
55(3), P. 1178 - 1185
Published: June 26, 2024
Factorial
experiment
within
randomized
complete
block
design
using
three
replication
for
field
comparison
performance
slatted
and
general-purpose
moldboard
plow.
Using
least
significant
(LSD)
1
%
5
was
used
to
compare
the
mean
of
treatments.
Three
factors
were
used,
first
one
depths
tillage
15
25
cm,
second
speed
tractor
4.146
7.224
km/hr,
third
factor
types
moldboard,
moldboard.
Slatted
recorded
slippage
9.697
%,
fuel
consumption
23.580
L/ha
higher
effective
capacity
0.4239
ha/hr,
efficiency
72.543
%.
Depth
cm
got
6.364
20.182
0.4402
74.187
Speed
km/hr
22.939
a
adequate
0.5246
ha/hr.
Interaction
between
treatments
had
effect.
Language: Английский
Calculating the Total Costs of the Tractor and the Chisel Plow under Variable Speeds and Depth of Tillage
Diyala Agricultural Sciences Journal,
Journal Year:
2024,
Volume and Issue:
16(1), P. 26 - 40
Published: June 30, 2024
Factorial
experiments
were
conducted
in
a
silt
clay
loam
soil
with
randomized
complete
block
design
three
replications
for
each
treatment.
This
study
aimed
to
calculate
machinery
unit
costs
and
some
indicators
during
primary
tillage,
under
variable
tractor
speeds
of
1.8,
3.5
5.7
km.h-1
depth
plowing
20,
30
40
cm.
A
higher
speed
is
associated
practical
productivity
0.9696
ha.h-1;
specific
tillage
4309
m.h-1;
volume
disturbed
2884
m3.
h-1.
The
best
fixed,
management,
total
tractor,
plow
2.27,
0.80,
9.02,1.01
10.04
$.ha-1
respectively.
Additionally,
lower
fuel
consumption
was
8.56
l.ha-1,
the
actual
time
one
hectare
1.02
h.
20
cm
recorded
0.6412
ha.h-1,
2849
m.h-1,
less
7.74
1.95
hThe
least
variable,
4.32,
4.71,
0.89,
9.94,1.94
11.89
All
interactions
among
treatments
significant.
experiment
concluded
that
has
greater
effect
than
on
all
operating
chisel
performance
indicators.
correlations
studied
direct
(positive)
inverse
(negative)
significantly
also
non-significant.
Language: Английский
EFFECT OF ADDING BUTANOL AND ACETONE TO DIESEL FUEL ON EXHAUST GAS EMISSIONS AND SOME ENGINE PERFORMANCE INDICATORS
H. S. Abdullah,
No information about this author
Naseer S. Kadhim
No information about this author
IRAQI JOURNAL OF AGRICULTURAL SCIENCES,
Journal Year:
2024,
Volume and Issue:
55(4), P. 1404 - 1411
Published: Aug. 26, 2024
This
study
was
aimed
to
evaluate
the
effect
of
blending
two
types
alcohol
with
pure
diesel
fuel.
A
4-cylinder
4-
stroke
water
cooled
direct
injection
(DI)
engine
used.
An
electric
dynamometer
connected
make
load
by
heaters;
on
fixed
at
full
load.
The
run
speed
levels
:
1300
rpm
and
1600
rpm.
Three
fuel
were
used,
including
blended
n-
butanol
(B)
Acetone(A)
mixed
named
AB15D85
AB30D70,
respectively,
compared
(D),
which
baseline.
Gas
emission
measured
using
gas
analyzer
type
AirRex
-
HG540.
Results
obtained
from
experiment
statistically
analyzed
showed
that
brake
thermal
Efficiency
registered
a
slight
increase
5.7%
when
using(AB30D70)
base
fuel,
while
samples
(AB30D70,
AB15D85)
pointed
in
BSFC
(5.1%and4.4%)
respectively
fuel(AB30D70)
detected
sharp
reduction
both
carbon
dioxide
(CO2)
unburned
hydrocarbon(HC)
Nitrogen
oxides
(NOx)
(49.1%,100%,
38%)
Language: Английский
EFFECT OF FUEL TEMPERATURE ON SOME PERFORMANCE INDICATORS AND EXHAUST GAS EMISSIONS OF A FOUR CYLINDER DIESEL ENGINE
Haitham N. A,
No information about this author
Naseer Salman Kadhim
No information about this author
IRAQI JOURNAL OF AGRICULTURAL SCIENCES,
Journal Year:
2024,
Volume and Issue:
55(4), P. 1412 - 1418
Published: Aug. 26, 2024
This
study
was
aimed
to
evaluate
the
effect
of
diesel
fuel
temperature
on
engine
performance
and
emissions.
A
4-cylinder
4-stroke
water
cooled
direct
injection
(DI)
tested
at
three
temperatures
(50,
60
70(
°C.
The
were
controlled
by
thermoelectric
cooling
system
(TEC)
fixed
supply
line
before
pump.
run
with
two
speed
levels,
included
1200
1500
rpm,
constant
load
(full
load).
An
electric
dynamometer
connected
make
heaters.
Gas
emission
measured
using
gas
analyzer
type
AirRex
-
HG540
Texa
box.
Results
obtained
from
experiment
statistical
analyzed
factorial
system.
design
is
(CRD),
averages
results
least
significant
difference
(LSD)
probability
level
(0.05)
(Genstat)
program
showed
that
(50
°C)
detected
a
sharp
reduction
in
each
brake
specific
consumption
(BSFC)
)6.95,4.34%)
,
Exhaust
Temperature(EGT)
(4.98,2.38%),
Nitric
Oxide
(NOx)
)29.09,27.08%),
Particulate
matter
(PM)
(46.25,31.25%)
registered
slight
increase
thermal
efficiency
(BTE)
)7.12,4.40%)
respectively,
compared
(60,70)
Language: Английский
Study of energy consumption of the process of surface tillage by the combined stubble unit KSA-3,8M “Svarog” with improved rolling working bodies
I.V. Sobolevsky,
No information about this author
V. A. Kuklin,
No information about this author
Ya.N. Ismailov
No information about this author
et al.
BIO Web of Conferences,
Journal Year:
2024,
Volume and Issue:
141, P. 02011 - 02011
Published: Jan. 1, 2024
The
article
provides
an
analysis
of
the
main
directions
for
improving
soil-cultivating
working
bodies
rollers
in
combined
units.
traction
resistance
sections
loosening
paws,
treadle
harrows,
modernized
rollers,
as
well
total
unit
is
theoretically
substantiated.
To
confirm
theoretical
prerequisites
substantiating
energy
indicators
unit,
its
field
tests
were
carried
out
on
area
120
hectares
southern
micellar-carbonate
chernozem.
As
a
result,
tested
rolling
have
greatest
difference
(12,1%)
at
speed
8
km/h
and
soil
cultivation
depth
0.05
m.
On
average,
experimental
KSA-3,8M
“Svarog”
16,17%
less
than
that
serial
KPE-3,8V.
This
variation
differences
explained
by
fact
with
increase
-
flat-cutting
large
mass
fractions
to
surface.
sizes
increasing
lead
height
ridges.
after
distribution
leveling
bodies,
partially
leveled
destroyed
clods
fall
under
bars
segment
knives
roller.
During
operation
roller,
absolute
vector
knife
perpendicular
cutting
edge,
which
leads
chopping
effect
lump
without
additional
costs
movement.
fine-grained
layer
formed
sowing.
Language: Английский