Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(5)
Published: May 1, 2024
Abstract
Enhanced
rock
weathering
(ERW)
has
been
proposed
as
a
measure
to
enhance
the
carbon
(C)‐sequestration
potential
and
fertility
of
soils.
The
effects
this
practice
on
soil
phosphorus
(P)
pools
general
mechanisms
affecting
microbial
P
cycling,
well
plant
uptake
are
not
understood.
Here,
impact
ERW
availability
cycling
functional
groups
root
P‐acquisition
traits
were
explored
through
2‐year
wollastonite
field
addition
experiment
in
tropical
rubber
plantation.
results
show
that
significantly
increased
carbon‐use
efficiency
total
concentrations
indirectly
by
enhancing
organic
mobilization
mineralization
rhizosheath
carboxylates
phosphatase,
respectively.
Also,
stimulated
activities
P‐solubilizing
(
gcd
,
ppa
ppx
)
mineralizing
enzymes
phoADN
phnAPHLFXIM
),
thus
contributing
inorganic
solubilization
mineralization.
Accompanying
increase
availability,
strategy
fine
roots
changed
from
do‐it‐yourself
acquisition
dependence
mycorrhizal
collaboration
release
exudates.
In
addition,
direct
(such
diameter,
specific
length,
colonization
rate)
may
also
be
related
changes
pattern
belowground
investments
plants.
Our
study
provides
new
insight
increases
carbon‐sequestration
forests
profoundly
affects
resource‐use
strategies.
