Agronomy,
Год журнала:
2023,
Номер
13(9), С. 2349 - 2349
Опубликована: Сен. 9, 2023
Organic
wheat
production
systems
have
lower
yields
compared
with
intensive
conventional
and
often
do
not
achieve
the
grain
protein
content
quality
thresholds
set
by
millers
bakers.
In
contrast,
organic
methods
were
reported
to
result
in
higher
concentrations
of
nutritionally
desirable
micronutrients
toxic
metal
Cd
wholegrain
flour.
However,
although
N-availability
variety
characteristics
are
known
affect
both
gain
bread-making
quality,
exact
reasons
for
yield
gap
differences
processing
nutritional
between
spring
UK
poorly
understood.
The
overall
aim
this
study
was
therefore
determine
what
extent
changes
choice
fertilization
regimes
may
reduce
improve
without
affecting
production.
To
aim,
we
crop
health,
yield,
processing,
parameters
produced
using
(i)
six
contrasting
varieties
grown
a
standard
regime
(ii)
one
widely
used
farmers
(Paragon)
nine
different
(iii)
three
sites/farms
pedoclimatic
conditions.
Significant
foliar
disease
severity,
detected
when
under
management
regimes.
Specifically,
Paragon
Tybalt
identified
as
best-performing
respect
resistance
farming
conditions
also
high
across
sites.
highest
obtained
at
Gilchester
site
Sheepdrove
Courtyard
sites,
while
contents
which
suggests
that
there
is
need
site-specific
selection
sector.
Although
fertilizer
input
type
level
affected
performance,
smaller
than
those
observed
five
varieties,
improvements
breeding/selection
greater
potential
increasing
sector
practices.
Overall,
results
suggest
it
feasible
breed/select
combine
protein,
vitamin
E,
low
(Cd,
Pb)
These
findings
support
hypothesis
contributed
products
previous
studies.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
15
Опубликована: Фев. 13, 2025
Soil
microbial
species
diversity
and
distribution
of
communities
are
vital
for
soil
crop
health,
nutrient
cycling,
availability,
subsequent
plant
growth.
These
dynamics
highly
influenced
altered
by
various
management
practices,
inputs,
agricultural
techniques.
In
the
present
study,
effects
chemical
organic
practices
on
community
structure
were
examined
compared
using
amplicon
sequencing
16S
ITS
regions.
Two
contrasting
samples
selected
from
each
fields
at
International
Rice
Research
Institute-South
Asia
Regional
Centre
(IRRI-SARC)
in
Varanasi:
one
field
followed
conventional
fertilizer
while
other
implemented
natural
farming
including
tillage,
on-farm
residue
management,
water
management.
analyzed
bacterial
fungal
diversity.
Our
findings
showed
that
two
differently
managed
soils
exhibited
distinct
compositions,
with
organically
exhibiting
a
higher
decomposer
bacteria
fungi,
showing
40
unique
elements
19
chemically
soil.
Natural
also
demonstrated
relative
abundance
phyla.
results
emphasize
significance
sustainable
techniques,
suggesting
inputs
can
increase
richness.
The
functional
roles
these
ecosystems
their
potential
impact
yield
cycling
warrant
further
study.
Frontiers in Microbiology,
Год журнала:
2025,
Номер
15
Опубликована: Янв. 7, 2025
Agriculture
is
undergoing
an
agroecological
transition
characterized
by
adopting
new
practices
to
reduce
chemical
fertilizer
inputs.
In
this
context,
digestates
are
emerging
as
sustainable
substitutes
for
mineral
fertilizers.
However,
large-scale
application
of
in
agricultural
fields
requires
rigorous
studies
evaluate
their
long-term
effects
on
soil
microbial
communities,
which
crucial
ecosystem
functioning
and
resilience.
This
study
presents
provides
a
comparative
analysis
field
conditions
fertilization
strategies
combining
annual
applications
raw
digestate
with
biennial
different
organic
waste
products
(OWPs)-biowaste
compost
(BIO),
farmyard
manure
(FYM),
urban
sewage
sludge
(SLU)-and
compares
them
combinations
the
same
OWPs
The
cumulative
repeated
OWP
applications,
paired
two
nitrogen
sources-organic
(digestate)
(mineral
fertilizer)-were
assessed
through
physicochemical
analyses.
We
hypothesized
that
combined
effect
varied
according
N-supply
sources
also
depended
type
applied.
Soil
communities
were
using
high-throughput
sequencing
targeting
16S
18S
ribosomal
RNA
genes,
following
DNA
extraction
from
samples
collected
2022,
six
years
after
initial
application.
results
indicated
rich
stable
recalcitrant
matter,
such
BIO
FYM,
digestate,
offers
improved
practice.
approach
maintains
carbon
(SOC)
levels,
increases
phosphorus
potassium
content,
stimulates
differently
than
supplied
via
While
biomass
showed
no
significant
variation
across
treatments,
diversity
indices
exhibited
differences
based
source.
moderately
influenced
prokaryotic
fungal
community
structures,
distinct
patterns
depending
Notably,
responded
more
strongly
treatment
variations
communities.
insights
into
substituting
fertilizers
parameters.
development
agroecosystems
significantly
depends
better
understanding
complex
responses
regimes.
Future
research
should
continue
assess
impact
microbiota
real
agronomic
conditions,
considering
associated
practices.
FEMS Microbiology Ecology,
Год журнала:
2023,
Номер
99(6)
Опубликована: Май 9, 2023
Abstract
Intensive
agriculture
has
increased
global
food
production,
but
also
impaired
ecosystem
services
and
soil
biodiversity.
Organic
fertilization,
essential
to
organic
integrated
farming,
can
provide
numerous
benefits
for
quality
compromise
the
environment
by
polluting
soils
producing
greenhouse
gases
through
animal
husbandry.
The
need
reduced
stocking
density
is
inevitably
accompanied
lower
FYM
inputs,
little
research
available
on
impact
of
these
effects
microbiome.
We
collected
samples
from
winter
wheat
plots
a
42-year-old
long-term
trial
comparing
different
farming
systems
receiving
farmyard
manure
at
two
intensities
measured
parameters
microbial
community
diversity
DNA
metabarcoding.
High-input
corresponding
1.4
livestock
units
(LU)
improved
soil’s
nutritional
status
biomass
respiration
when
compared
low-input
0.7
LU.
Bacterial
fungal
α-diversity
was
largely
unaffected
fertilization
intensity,
whereas
their
structure
changed
consistently,
an
increase
in
bacterial
copiotroph-to-oligotroph
ratio
high-input
more
copiotrophic
indicator
OTUs
associated
with
high
than
low-input.
This
study
shows
that
nutrient
availability
under
selects
oligotrophic
microbes
efficiently
obtaining
nutrients
various
carbon
sources;
potentially
beneficial
trait
considering
future
agroecosystems.
Soil Biology and Biochemistry,
Год журнала:
2023,
Номер
184, С. 109095 - 109095
Опубликована: Июнь 18, 2023
Soil
organic
matter
(SOM)
plays
a
vital
role
for
soil
quality,
sustainable
food
production
and
climate
change
mitigation.
It
is
common
knowledge
that
SOM
consists
of
different
pools
with
varying
qualities,
quantities,
turnover
times.
However,
it
still
poorly
understood
how
mineral
fertilization
affects
the
formation
stabilization
mineral-associated
(MAOM)
long
can
remain
there.
Here,
we
report
on
long-term
effects
farming
systems
stability
fine
silt
clay-sized
MAOM
fraction
(<6.3
μm)
Haplic
Luvisol
(0–20
cm)
in
DOK
trial
(Switzerland).
We
compared
three
contrasting
(CONMIN
=
pure
mineral,
CONFYM
+
organic,
BIODYN
organic)
an
unfertilized
control
(NOFERT)
between
1982
2017.
performed
specific
surface
area
(SSA)
measurements
fractionated
samples
from
to
2017,
before
after
removal
OM,
measured
14C
activity
selected
during
entire
period
estimated
mean
residence
time
(MRT)
model
taking
into
account
'bomb
14C'
radioactive
decay.
found
constant
MAOM-C
contents
under
fertilization.
Results
SSA
analysis
indicate
best
conditions
sorption
mechanisms
without
The
modelled
MRTs
were
significantly
higher
NOFERT
(238
±
40
yrs)
CONMIN
(195
27
yrs),
(138
18
(140
19
implying
high
C
(i.e.
more
active
MAOM)
at
Our
findings
show
not
dead
OM
but
corroborates
concept
'dynamic
stability'.
Continuous
inputs
fertilizers
their
rapid
are
needed
stabilize
"stable"
fraction.
Agriculture Ecosystems & Environment,
Год журнала:
2024,
Номер
374, С. 109179 - 109179
Опубликована: Июль 16, 2024
Agricultural
management
and
meteorological
conditions
have
a
great
impact
on
grassland
dynamics,
regenerative
holistic
practices
especially
significant
potential
for
enhancing
soil
quality
fertility,
biodiversity
carbon
cycling
in
agricultural
ecosystems.
We
monitored
CO2
fluxes
from
an
Southern
Finland
with
the
eddy
covariance
method
over
five-year
period
together
various
variables
to
study
how
weather
conditions,
rotational
grazing,
cutting
height
other
selected
affect
fluxes.
Additionally,
we
measured
CH4,
N2O
flux
chamber
method.
Interannual
variation
net
ecosystem
balance
(NECB)
was
substantial
as
it
alternated
between
−60
(C
sink)
131
g
C
m−2
yr−1
source).
Over
whole
five
years,
site
near
neutral
approximately
−10
m−2.
CH4
were
small
each
growing
season.
Field
greatly
affected
annual
NECB,
grazing
had
positive
assimilation
efficiency
taller
also
showed
occasional
higher
during
regrowth
stage.
utilised
measurement
data
calibrate
modified
version
of
BASGRA
model
site,
ran
simulations
isolate
impacts
precipitation
air
temperature
key
drivers
exchange.
The
that
variations
both
distinct
primary
productivity
heterotrophic
respiration,
causing
alternate
source
sink
individual
years.
period,
calibrated
demonstrated
(−70
central
estimate)
into
ecosystem.
European Journal of Soil Science,
Год журнала:
2024,
Номер
75(3)
Опубликована: Май 1, 2024
Abstract
Visible
and
near‐infrared
(vis–NIR)
spectroscopy
is
a
promising
technology
for
the
analysis
of
different
soil
quality
parameters.
In
this
study,
we
used
in‐situ
vis–NIR
in
association
with
partial
least
squares
regression
to
predict
total
mineral
(nitrate
+
ammonium)
nitrogen
content,
permanganate
oxidizable
carbon
(POXC),
as
well
ratio
organic
carbon‐to‐clay
content
agricultural
soils
Switzerland.
These
parameters
can
indeed
be
indicators
response
agronomic
practices.
To
goal,
number
134
samples
were
carbon‐,
nitrogen‐
clay‐related
parameters,
whereas
69
nitrogen‐related
We
found
that
model
successfully
POXC
(ratio
performance
interquartile
range,
RPIQ
>
2.62,
R
2
0.73,
Lin's
concordance
correlation
coefficient
0.83).
As
concerns
nitrogen,
it
was
not
possible
parameter
by
spectroscopy.
By
demonstrating
possibility
reliably
ratio,
show
also
analyse
associated
both
structural
soils.