Acta Scientiarum Polonorum Hortorum Cultus,
Год журнала:
2023,
Номер
22(6), С. 115 - 132
Опубликована: Дек. 22, 2023
The
use
of
cover
crops
is
aimed
at
sustaining
soil
health
and
productivity
in
the
context
agricultural
intensification
accompanying
degradation.
While
have
been
extensively
studied
field
production
systems,
limited
research
has
conducted
concerning
their
application
high-tunnel
vegetable
production.
This
study
to
assess
effects
turnip
(Brassica
napus
subsp.
napobrassica
(L.)
Jafri)
swede
Brassica
rapa
Rapifera
Metzg)
(CCs)
on
physicochemical
biological
properties
an
organic
high
tunnel
system
southern
Poland
2017–2019.
planting
sequence
was
as
follows:
winter
crops/pumpkin/romaine
lettuce/broad
bean/chilli
pepper.
Soil
analyses
included
measurements
bulk
density,
water
capacity,
aggregation,
carbon
(SOC),
available
nutrients,
well
microbial
abundance
diversity.
Rape
produced
a
higher
aboveground
dry
biomass
(4.11
t
ha−1)
than
(2.85
ha−1),
N
content
101
kg
ha−1
75
ha−1,
respectively.
results
presented
that
CC
residue
significantly
contributed
stock,
retention
plant-available
nitrogen,
improvement
physical
properties,
especially
wet
aggregate
stability.
Soils
with
highest
SOC
concentrations
were
associated
bacterial
fungal
abundance.
most
significant
number
mesophilic
bacteria
detected
where
grown
crop
(7.6
×
107
cfu
g−1
DM
soil).
Moreover,
tested
nitrogen
cycle
found
soils
after
cultivation
compared
control
soils,
particularly
reducing
NH4
+-N
NO₃⁻-N.
These
findings
highlight
importance
management
practices
tunnels,
they
influence
composition
total
community
N-cycling
guilds.
Frontiers in Plant Science,
Год журнала:
2023,
Номер
13
Опубликована: Янв. 5, 2023
Introduction
The
contrasting
soil
management
in
flooded-transplanted
rice
(
Oryza
sativa
)
and
dry-tilled
wheat
Triticum
aestivum
poses
a
challenge
for
improving
low
nitrogen
use
efficiency
(NUE)
of
the
rice-wheat
system.
Integration
organics
nutrient
can
bring
changes
favoring
efficient
N
uptake
via
growing
conditions
responses.
Materials
methods
This
study
reported
results
15-year-long
experiment
on
integrated
(INM)
systems
cropping.
INM
included
substituting
~50%
chemical
fertilizers
(i)
including
legume
crop
Vigna
radiata
sequence
its
biomass
incorporation
(LE),
(ii)
green
manuring
with
Sesbania
aculeata
(GM),
(iii)
farmyard
manure
application
(FYM),
(iv)
1/3
stubble
situ
retention
(WS),
(v)
retention.
Results
Discussion
strategies
resulted
improved
NUE
compared
to
100%
(F).
had
significantly
higher
net
mineralization
biological
activity
aligning
trends.
reductions
redox
potential
(Eh)
pH
during
season
under
management.
Highly
reduced
favored
plant
availability
form
NH4+−N
resulting
enhanced
efficiency,
crop.
organic
carbon
(C)
increased
INM,
an
effect
active
C
fractions
was
evident
Conclusion
showed
that
these
immensely
benefit
system
improvement
health
along
electrochemical
flooded
rice,
labile-C-assisted
wheat.
Heliyon,
Год журнала:
2025,
Номер
11(2), С. e42036 - e42036
Опубликована: Янв. 1, 2025
There
is
a
growing
trend
toward
utilizing
agricultural
waste
to
create
value-added
products,
addressing
environmental
concerns
associated
with
their
disposal.
This
study
focuses
on
developing
slow-release
fertilizers
(SRFs)
using
amorphous
silica
derived
from
rice
husk,
hydroxypropyl
methylcellulose
(HPMC),
polyvinyl
alcohol
(PVA),
paper,
and
urea.
Experimental
optimization
was
carried
out
the
response
surface
methodology
central
composite
design
(RSM-CCD).
The
optimal
formulation
included
8.63
g
of
silica,
1.04
HPMC,
0.27
PVA.
Two
SRFs
were
prepared
under
these
conditions:
SRF1,
consisting
PVA,
SRF2,
which
additionally
incorporated
coated
paper.
Characterization
techniques
such
as
Fourier
Transform
Infrared
(FTIR)
spectroscopy,
X-ray
diffraction
(XRD)
Scanning
Electron
microscopy
(SEM)
Brunauer-Emmett-Teller
(BET)
analysis
used
examine
materials.
rice-husk-derived
exhibited
pore
size
2.140
nm
BET
area
690
m2/g,
providing
an
excellent
for
nutrient
encapsulation.
Although
addition
paper
minimally
influenced
behaviour
however
other
components
effectively
reduced
leakage
by
trapping
nutrients.
swelling
analyzed
in
different
media
after
72
h,
showing
values
2.66,
2.54
(g/g)
distilled
water,
2.20,
2.58
pH
4,
1.86,
3.09
9
solutions.
kinetics
aligned
Scott's
second-order
kinetic
model.
Urea
release
tests
water
revealed
94
%
97
at
24
h
SRF1
respectively,
compared
98
pure
urea
within
1
h.
SRF2
demonstrated
48
followed
first-order
model
both
highlighting
potential
effective
fertilizers.
Life,
Год журнала:
2025,
Номер
15(3), С. 466 - 466
Опубликована: Март 14, 2025
This
study
investigates
the
effects
of
different
land-use
types
(forest,
arable
land,
and
wetland)
on
key
soil
properties,
microbial
communities,
nitrogen
cycling
in
Lesser
Khingan
Mountains.
The
results
revealed
that
forest
(FL)
wetland
(WL)
soils
had
significantly
higher
organic
matter
(SOM)
content
compared
with
land
(AL),
total
phosphorus
(TP)
being
highest
FL
available
(AN)
WL.
In
terms
enzyme
activity,
AL
WL
showed
reduced
activities
ammonia
monooxygenase
(AMO),
β-D-glucosidase
(β-G),
β-cellobiosidase
(CBH),
while
exhibiting
increased
N-acetyl-β-D-glucosaminidase
(NAG)
highlighting
impact
use
dynamics.
also
exhibited
diversity
evenness
AL.
dominant
bacterial
phyla
included
Actinobacteriota,
Proteobacteria,
Acidobacteriota,
Acidobacteriota
most
abundant
Proteobacteria
Network
analysis
complex
connected
network,
simpler
but
more
stable
networks,
suggesting
influence
community
interactions.
Regarding
genes,
AOA-amoA
was
AL,
AOB-amoA
enriched
FL,
reflecting
oxidation.
These
findings
highlight
how
affect
structures,
cycling,
offering
valuable
insights
for
sustainable
management.
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 9821 - 9821
Опубликована: Ноя. 11, 2024
Different
cropping
systems
and
nutrient
management
techniques
impact
the
microbiological
characteristics
of
soil
availability
for
plants.
This
study
assessed
four
systems—rice–wheat,
cotton–wheat,
pearl
millet–wheat,
millet–mustard
in
Hisar
district,
Haryana,
using
80
samples
(20
from
each
system)
collected
April
2022
after
Rabi
crop
harvest.
The
cotton–wheat
system
had
highest
accessible
nitrogen
(N)
at
155.9
kg
ha−1,
while
both
(59.3
ha−1)
rice–wheat
(54.0
higher
available
sulfur
(S)
levels
compared
to
millet–wheat
(41.2
ha−1).
Pearl
also
showed
12.4%
potassium
(K)
than
rice–wheat.
exhibited
phosphorus
(P)
concentration
54.3
ha−1
greater
DTPA-extractable
micronutrients.
Soils
micronutrients
(Zn,
Fe,
Mn,
Cu)
superior
microbial
biomass
(MBN,
54.7
mg
kg−1),
urease
(37.9
µg
NH4+-N
g−1
h−1),
alkaline
phosphatase
activity
(APA,
269.7
PNP
h−1)
other
systems.
Canonical
discriminant
functions
explained
88.1%
variability
among
systems,
principal
component
analysis
identified
P,
Zn,
Cu
as
key
quality
indicators,
accounting
66.9%
variance.
These
insights
can
inform
policymakers
on
promoting
effective
sustainable
health
northwestern
India.
