Applied and Environmental Soil Science,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
This
study
examined
the
influence
of
land
use
types
and
soil
depth
on
soil’s
physicochemical
properties
in
Sugar
Estate
Arjo‐Dhidhessa,
western
Ethiopia.
aimed
to
provide
baseline
data
for
future
investigations
area
by
exploring
significant
quality
indicators
across
various
depths.
Fifteen
composite
samples
were
collected
from
selected
types,
including
fallow
land,
cropland,
irrigated
forest
shrubland,
at
three
different
depths
(0–30,
30–60,
60–90
cm).
Particle
size
distribution;
bulk
density
(
ρ
b);
total
porosity
(Tp);
pH;
organic
matter;
available
texture
phosphorus.
The
exchangeable
acidity
(EA),
cation
exchange
capacity,
bases
(EBs)
found
be
influenced
changes
depth.
results
revealed
that
(1.43
g/cm
2
)
is
highest
cropland
subsurface,
whereas
lands
tend
have
a
relatively
high
clay
content
(67%),
moisture
(25.74%),
Tp
(54.28%).
While
pH
was
5.17,
varied
5.47
5.84.
Compared
with
other
uses,
shrubland
areas
presented
higher
levels
matter
(SOM)
(2.49%)
nitrogen
(TN)
(0.126%).
Forest
SOM
(2.45%),
TN
(0.126%),
phosphorus
(AvP)
(1.36%),
calcium
(Ca
2+
(16.82
cmol/kg),
had
lowest
amounts
(5.22
mg/kg),
Ca
(3.97
magnesium
(Mg
(0.99
cmol/kg).
In
contrast,
agricultural
activities
significantly
reduce
quality,
as
evidenced
densities
well
lower
nutrients,
AvP
EBs,
primarily
due
erosion
crop
harvesting.
To
maintain
improve
levels,
it
essential
adopt
sustainable
management
practices
contribute
maintaining
improving
overall
fertility.
Marine and Freshwater Research,
Год журнала:
2024,
Номер
75(17)
Опубликована: Ноя. 11, 2024
Context
Indus
River
is
the
cradle
of
Pakistani
lifeline,
and
its
lower
reaches
are
prone
to
soil
loss
owing
bank
erosion.
Aims
The
aim
was
investigate
sediment
yield
in
Lower
Basin
(LIRB),
while
addressing
challenges
related
error
or
uncertainty
remote-sensing
data.
Methods
We
employed
a
modified
revised
universal
equation
(RUSLE)
model,
integrating
high-resolution
digital
elevation
model
(DEM)
calibrated
Climate
Hazards
Group
InfraRed
Precipitation
with
station
data
(CHIRPS).
Additional
layers,
including
land
use,
cropping
data,
were
also
utilised.
Key
results
extent
actual
erosion
ranges
from
minimum
maximum
erosion;
38.9%
area
lies
range
>50
Mg
ha‒1
year‒1,
whereas
23.2%
0–10
18.1%
10–20
year‒1.
Conclusions
study
identifies
critical
areas
tackles
uncertainties
spatial
analysis
showed
that
higher
distribution
along
channel
flow
direction
northern
part
LIRB
Arabian
Sea.
Implications
findings
have
provided
information
for
policymakers
water
managers
implement
effective
measures
reduce
erosion,
maintain
integrity
promote
sustainability
system.
Minerals,
Год журнала:
2024,
Номер
14(6), С. 576 - 576
Опубликована: Май 30, 2024
Soil
contamination
with
potentially
toxic
elements
(PTEs)
in
the
Malwa
region
belt
of
Punjab,
India,
can
be
a
serious
concern
as
result
intensive
agricultural
practices
and
overuse
agrochemicals.
The
main
objectives
present
study
were
to
evaluate
spatial
distribution,
geochemical
signature,
level/health
risk
PTEs
76
soil
samples
(0–10
cm)
collected
from
three
districts
viz.
Muktar,
Faridkot,
Moga
India.
shows
that
concentrations
vary
widely
region,
Fe
Mn
distribution
patterns
being
mostly
coherent
each
other.
When
compared
Indian
natural
background
values,
average
concentration
Pb
Zn
higher
than
limit,
only
exceeded
values
world
upper
continental
crust
(UCC).
Spatial
autocorrelation
plotted
local
indicator
association
(LISA)
GeoDa
software
version
1.18
was
used
identify
hotspots.
A
positive
(>0.2)
indicated
Moran’s
I
for
Pb,
V,
Mn,
Cu,
Cr,
highest
Pb.
principal
component
analysis
(PCA)
identified
major
geo-chemical
Fe-Al-V-Cr
TOC-Mn-Zn-HCO3−,
which
positively
loaded
on
PC1.
This
indicates
Fe/Al-oxyhydroxides
organic
matter
play
dominant
role
controlling
metal
mobility
soils.
further
substantiated
Spearman’s
rank
correlation
values.
factor
(CF)
(15.7%
3.9%
samples,
respectively)
under
high
risk.
could
due
excessive
application
chemical
fertilizers.
large
range
degree
(Cdeg)
suggests
there
are
variations
pollution
PTEs.
little
over
had
significant
contamination,
72.3%
low
23.6%
moderate
contamination.
Human
non-carcinogenic
carcinogenic
levels
investigated.
hazard
index
(HI)
adult
ranged
0.00
0.2,
children
0.009
1.2.
These
findings
suggest
both
adults
not
at
potential
risk,
except
few
locations.
Overall,
results
this
provide
current
baseline
status
soil.
would
helpful
developing
strategies
sustainable
management
resources
well
future
monitoring
programs
quality
whole,
track
any
changes
time.
Sustainability,
Год журнала:
2024,
Номер
16(19), С. 8319 - 8319
Опубликована: Сен. 25, 2024
The
impact
of
conservation
tillage
(CST)
practices
on
soil
properties,
carbon
sequestration
and
yield
sustainability
over
short,
medium,
long
durations
remain
insufficiently
understood,
especially
in
semiarid
Central
India.
Therefore,
our
objective
was
to
investigate
the
effects
optimal
duration
CST
adoption
for
enhancing
sequestration,
sustainable
yields.
We
conducted
a
study
farmers’
fields
Akola
district
India,
where
had
been
practised
4
15
years,
within
soybean
+
pigeon
pea–chickpea
cropping
sequence.
Our
findings
revealed
significant
(p
<
0.05)
improvements
physical
properties
with
short-term
(4
6
years),
alongside
increasing
availability
nitrogen
phosphorus,
longer
implementation
(10
years).
lowest
organic
(SOC)
observed
conventional
(CT_y),
while
all
increased
SOC
content
CT_y,
ranging
from
22.2
38.4%.
Further,
experimental
dominated
passive
C
pools
(Cfrac3
Cfrac4).
Consequently,
long-term
facilitated
positive
rates,
contrasting
negative
or
minimal
CT_y
treatments.
However,
compared
CST,
demonstrated
higher
equivalent
yields
comparable
chickpea
mainly
due
delayed
germinations
induced
by
lower
temperatures
plots.
conclude
that
integrating
site-specific
characteristics,
management
practices,
regional
climate
conditions
into
agriculture
frameworks
maximizes
efficacy
ensures
productivity.
These
help
optimize
agricultural
considering
potential
losses
changes
despite
implementing
CST.
Applied and Environmental Soil Science,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
This
study
examined
the
influence
of
land
use
types
and
soil
depth
on
soil’s
physicochemical
properties
in
Sugar
Estate
Arjo‐Dhidhessa,
western
Ethiopia.
aimed
to
provide
baseline
data
for
future
investigations
area
by
exploring
significant
quality
indicators
across
various
depths.
Fifteen
composite
samples
were
collected
from
selected
types,
including
fallow
land,
cropland,
irrigated
forest
shrubland,
at
three
different
depths
(0–30,
30–60,
60–90
cm).
Particle
size
distribution;
bulk
density
(
ρ
b);
total
porosity
(Tp);
pH;
organic
matter;
available
texture
phosphorus.
The
exchangeable
acidity
(EA),
cation
exchange
capacity,
bases
(EBs)
found
be
influenced
changes
depth.
results
revealed
that
(1.43
g/cm
2
)
is
highest
cropland
subsurface,
whereas
lands
tend
have
a
relatively
high
clay
content
(67%),
moisture
(25.74%),
Tp
(54.28%).
While
pH
was
5.17,
varied
5.47
5.84.
Compared
with
other
uses,
shrubland
areas
presented
higher
levels
matter
(SOM)
(2.49%)
nitrogen
(TN)
(0.126%).
Forest
SOM
(2.45%),
TN
(0.126%),
phosphorus
(AvP)
(1.36%),
calcium
(Ca
2+
(16.82
cmol/kg),
had
lowest
amounts
(5.22
mg/kg),
Ca
(3.97
magnesium
(Mg
(0.99
cmol/kg).
In
contrast,
agricultural
activities
significantly
reduce
quality,
as
evidenced
densities
well
lower
nutrients,
AvP
EBs,
primarily
due
erosion
crop
harvesting.
To
maintain
improve
levels,
it
essential
adopt
sustainable
management
practices
contribute
maintaining
improving
overall
fertility.
