Global Change Biology,
Год журнала:
2024,
Номер
30(2)
Опубликована: Фев. 1, 2024
Abstract
Maintaining
or
even
increasing
crop
yields
while
reducing
nitrous
oxide
(N
2
O)
emissions
is
necessary
to
reconcile
food
security
and
climate
change,
the
metric
of
yield‐scaled
N
O
emission
(i.e.,
per
unit
yield)
at
present
poorly
understood.
Here
we
conducted
a
global
meta‐analysis
with
more
than
6000
observations
explore
variation
patterns
controlling
factors
for
maize,
wheat
rice
associated
potential
mitigation
options.
Our
results
showed
that
average
across
all
available
data
followed
order
(322
g
Mg
−1
,
95%
confidence
interval
[CI]:
301–346)
>
maize
(211
CI:
198–225)
(153
144–163).
Yield‐scaled
individual
crops
were
generally
higher
in
tropical
subtropical
zones
temperate
zones,
also
trend
towards
lower
intensities
from
low
high
latitudes.
This
was
better
explained
by
climatic
edaphic
fertilizer
management,
their
combined
effect
predicted
70%
variance.
Furthermore,
our
analysis
significant
decrease
use
efficiency
production
systems
cereal
>10
ha
(maize),
6.6
(wheat)
6.8
(rice),
respectively.
highlights
indicators
can
be
used
as
valuable
proxies
reconciling
trade‐offs
between
mitigation.
For
three
major
staple
crops,
fertilization
up
30%,
optimizing
timing
placement
application
using
enhanced‐efficiency
fertilizers
significantly
reduced
similar
yields.
data‐driven
assessment
provides
some
key
guidance
developing
effective
targeted
adaptation
strategies
sustainable
intensification
production.
Journal of Agricultural and Food Chemistry,
Год журнала:
2024,
Номер
72(11), С. 5659 - 5670
Опубликована: Март 5, 2024
Nitrogen
is
the
most
limiting
factor
in
crop
production.
Legumes
establish
a
symbiotic
relationship
with
rhizobia
and
enhance
nitrogen
fixation.
We
analyzed
1,624
rhizosphere
16S
rRNA
gene
samples
113
metagenomic
from
three
typical
legumes
non-legumes.
The
microbial
community
of
had
low
diversity
was
enriched
nitrogen-cycling
bacteria
(Sphingomonadaceae,
Xanthobacteraceae,
Rhizobiaceae,
Bacillaceae).
Furthermore,
microbiota
exhibited
high
abundance
nitrogen-fixing
genes,
reflecting
stronger
potential,
Streptomycetaceae
Nocardioidaceae
were
predominant
bacteria.
also
identified
helper
confirmed
through
metadata
analysis
pot
experiment
that
synthesis
riboflavin
by
key
promoting
Our
study
emphasizes
construction
synthetic
communities
crucial
for
development
efficient
fertilizers.
Plants,
Год журнала:
2024,
Номер
13(16), С. 2285 - 2285
Опубликована: Авг. 17, 2024
This
review
paper
synthesizes
the
current
understanding
of
greenhouse
gas
(GHG)
emissions
from
field
cropping
systems.
It
examines
key
factors
influencing
GHG
emissions,
including
crop
type,
management
practices,
and
soil
conditions.
The
highlights
variability
in
across
different
Conventional
tillage
systems
generally
emit
higher
levels
carbon
dioxide
(CO
