The Effect of Long-Term Soil System Use and Diversified Fertilization on the Sustainability of the Soil Fertility—Organic Matter and Selected Trace Elements
Sustainability,
Год журнала:
2025,
Номер
17(7), С. 2907 - 2907
Опубликована: Март 25, 2025
It
has
been
assumed
that
the
long-term
impact
of
a
diversified
soil
use
system
(SUS)
and
continuous
application
manure
and/or
mineral
fertilizers
(NPK)
affects
sustainability
fertility
components.
This
influence
is
manifested
through
content
distribution
nutrients,
as
well
some
bioavailable
heavy
metals
in
soil.
hypothesis
was
verified
2022
field
experiment
started
1957.
consisted
seven-course
crop
rotation:
potato–spring
barley–winter
triticale–alfalfa–alfalfa–winter
wheat–winter
rye
monocultures
these
crops
plus
black
fallow.
The
studies
were
carried
out
on
three
separate
fields:
fallow
(BF),
winter
wheat
grown
monoculture
(WW-MO),
rotation
(WW-CR).
Each
experimental
objects
consists
five
fertilizer
variants
(FVs)
fertilized
same
way
every
year:
absolute
control
(AC)—variant
without
for
75
years;
farmyard
manure—FM;
fertilizers—NPK;
mixed
variant—NPK
+
FM;
annually
applied
lime—NPK
L.
second
factor
layer:
0.0–0.3
m,
0.3–0.6
or
0.6–0.9
m.
obtained
results
clearly
indicate
fertilization
with
NPK
FM,
especially
legumes,
strengthens
eluviation/illuviation
processes,
decreasing
fertility.
Liming
stabilizing
silt
clay
particles
key
determining
micronutrients
organic
carbon
(Corg).
Its
decreased
following
order:
WW-CR
(13.2
±
5.8)
≥
WW-MO
(12.3
6.9)
>
BF
(6.6
2.8
g·kg−1).
large
variability
resulted
from
trend
depth,
which
increased
follows:
MO
CR
BF.
FVs
FM
had
highest
Corg
content.
NPK,
regardless
(SUS),
lowest
Among
elements
studied,
one
impacting
both
iron
(Fe).
Fe
order
BL
(100%)
(90.5%)
(85%).
opposite
tendency
found
remaining
elements,
consistent
Corg,
CR.
strongest
Fe,
modified
by
SUS,
Zn,
Pb,
Cd.
Despite
differences
observed
between
SUSs,
variants,
layers,
Mn
medium
class,
while
Zn
Cu
high
class
availability.
Ni
WW-CR.
Pb
weakly
affected
SUS
but
showed
strong
accumulation
topsoil
layer.
Cd
BF,
where
it
exceeded
threshold
0.27
mg·kg−1.
main
fertility,
makes
possible
to
directions
humus
its
turned
be
factor,
cooperation
determined
Язык: Английский
Foliar Nickel Nutrient Application for Improved Urea Conversion and Abiotic Stress Mitigation in Tomato
Agricultural Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 24, 2025
Язык: Английский
Effect of Urease and Nitrification Inhibitors on Heavy Metal Mobility in an Intensively Cultivated Soil
Agronomy,
Год журнала:
2024,
Номер
15(1), С. 49 - 49
Опубликована: Дек. 28, 2024
Urease
and
nitrification
inhibitors
represent
ways
to
reduce
nitrogen
losses;
their
presence
modifies
microbial
enzymatic
activity
in
the
soil,
affecting
pH
organic
matter
(OM),
which
turn
affects
mobility
of
heavy
metals.
To
evaluate
effect
urea
with
inhibitors,
pH,
OM
content,
pseudo-total
mobile
metal
content
(Cu,
Cd,
Ni,
Pb,
Cr,
Zn,
Mn)
were
determined
soil
samples
fertilized
six
different
variants
inhibitors.
The
modification
metals
following
fertilization
(%)
was
as
follows:
Cu
(−39.26
÷
−8.82),
Cd
(10.74
15.40),
Ni
(5.76
18.84),
Pb
(−13.30
12.46),
Cr
(−15.55
11.60),
Zn
(35.10
162.76),
Mn
(−1.32
12.17).
situated
range
7.05
7.17,
while
showed
an
average
increase
16%.
pollution
indicators
revealed
accumulation
soil.
results
a
trend
bioavailable
metals,
greatest
for
(43%).
Only
case
there
decrease
lowest
value
when
applying
two
urease
one
inhibitor.
Inhibitors
modify
influencing
bioavailability
Язык: Английский