Optimizing effects of organic farming and moderately low nitrogen levels on soil carbon and nitrogen pools, humus composition and related enzyme activities
Abstract
With
the
development
of
intensive
agriculture,
soil
health
issues
has
received
widespread
attention.
However,
mechanism
response
to
carbon
and
nitrogen
pool
sequestration
characteristics
under
different
cultivation
practices
in
combination
with
application
is
not
yet
elucidated.
This
limits
idea
trying
improve
biosystem
paddy
fields
through
organic
combined
appropriate
reduction
fertilization.
A
split-plot
design
was
employed,
methods
(organic
[OF]
conventional
[CF])
levels
(pure
at
180
kg·hm−
2
[N12]
pure
270
[N18])
into
four
treatments.
The
impacts
as
well
fertilizer
rates
on
properties
were
compared.
results
demonstrated
that
significantly
increased
total
content
surface
soil.
Soil
ammonium
showed
an
overall
trend
decreasing
then
increasing,
while
opposite
true
for
nitrate
content.
Notably,
activity
enzymes
involved
cycle
humic
acid
tillage
layer,
which
led
improvement
aggregate
structure.This
research
indicates
fertilization
positively
affects
characteristics.
study
provides
new
insights
restoring
fertility
promoting
sustainable
agriculture.
Research Square (Research Square), Год журнала: 2024, Номер unknown
Опубликована: Ноя. 26, 2024
Язык: Английский