The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
934, P. 172986 - 172986
Published: May 9, 2024
Excessive
application
of
mineral
fertilizers
has
accelerated
soil
acidification
in
China,
affecting
crop
production
when
the
pH
drops
below
a
critical
value.
However,
contributions
natural
acidification,
induced
by
leaching
bicarbonate,
and
anthropogenic
causes
nitrogen
(N)
transformations
removal
base
cations
over
acid
anions,
are
not
well
quantified.
In
this
study,
we
quantified
rates,
equivalents
(eq)
acidity,
assessing
inputs
outputs
all
major
including
calcium,
magnesium,
potassium,
sodium,
ammonium,
nitrate,
sulphate,
phosphate
chloride,
for
13
long-term
experimental
sites
southern
China.
The
rates
strongly
varied
among
fertilizer
treatments
with
addition
animal
manure.
Bicarbonate
was
dominant
process
calcareous
soils
(23
keq
ha
Heliyon,
Journal Year:
2023,
Volume and Issue:
9(1), P. e13040 - e13040
Published: Jan. 1, 2023
Currently,
there
is
no
doubt
that
Azolla
can
compensate
for
the
nitrogen
requirements
of
rice
in
different
agroecological
zones.
Compared
to
synthetic
N-fertilizers,
has
various
positive
impacts
on
lowland
production,
including
improving
soil
fertility,
minimizing
weeds,
increasing
organic
carbon,
microbial
biomass,
and
thus
nutrient
cycling
enhancing
growth
yield.
However,
not
been
accepted
globally
by
farmers
field
use
so
far,
are
relying
rates
N
fertilizers
instead
taking
advantage
which
will
improve
long-term
fertility
health.
This
systematic
literature
review
scientific
evidence
could
help
policymakers,
scientists
researchers
understand
benefits,
limitations,
innovative
ways
utilizing
as
a
cost-effective
eco-friendly
amendment
production.
The
paper
uses
Preferred
Reporting
Items
Systematic
Review
Meta-Analysis
(PRISMA)
method
hidden
potential
biofertilizer
paddy
summarizes
its
benefits
problems
collecting
information
from
sources
presenting
under
subheadings
such
critical
factors
affecting
fixation,
fixation
Anabaena
Azollae
their
contribution
health,
release
availability
Azolla-N
rice,
amounts
time
inoculation,
influence
ammonia
volatilization,
yield
components
impact
weed
emergence
cropping
system.
Literature
indicated
green
manure
incorporated
before
transplanting
or
grown
together
with
left
until
few
days
harvest
alone
combinations
other
production
saved
requirement
up
60
kg
ha−1,
it
enhances
nutrients,
improves
physiochemical
properties
soils,
minimizes
salinity,
reduces
pH,
minimize
germination.
was
observed
incorporating
labor-intensive,
maintaining
inocula
phosphorous
major
restrictions
farmers.
Therefore,
understanding
mechanism
spore
educating
cheaper
alternative
application,
testing
species
over
zones
biomass
applying
at
low
cost
further
environmental
conservation.
