Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: May 13, 2025
Abstract
To
enhance
the
productivity
of
sandy
soil,
considerable
efforts
have
been
devoted
to
improving
its
water
retention
capacity,
thereby
reducing
frequency
irrigation
and
minimizing
loss
through
evaporation.
The
present
study
aimed
develop
carboxymethyl
cellulose
(CMC)—grafted-(polyacrylamide
(PAM)-co-2-acrylamido-2-methylpropanesulfonic
acid
(PAMPS)
superabsorbent
hydrogel
(SAH)
for
effective
retentionin
soil.
Characterization
grafted
copolymer
was
performed
using
Fourier
transform
infrared
spectroscopy
(FTIR),
X-ray
diffractometer
(XRD),
scanning
electron
microscopy
(SEM),
thermogravimetric
analysis
(TGA).
synthesized
CMC-g-(PAM-co-PAMPS)
SAH
exhibited
improved
thermal
stability,
demonstrating
a
half-weight
at
391
°C
compared
331
pure
CMC
biopolymer.
consequence
various
grafting
conditions
on
percentage
add-on
systematically
optimized.
Additionally,
factors
influencing
uptake
behavior,
including
contact
time,
pH
temperature
medium,
particle
sizes,
total
dissolved
salts,
were
investigated.
results
indicated
that
increasing
co-monomer
ratio
from
3
18%
significantly
raised
%
value
81
97.4%.
developed
showed
an
exceptionalwater
capacity
313
g/g
within
short
duration
15
min.
Furthermore,
it
demonstrated
ability
reabsorb
over
five
successive
cycles,
achieving
efficiency
exceeding
70%.
incorporation
into
soil
resulted
in
reduction
outflow,
with
significant
decrease
flow
rate
0.96
0.32
cm/min.
fabricated
presents
promising
approach
enhancing
Journal of Agricultural and Food Chemistry,
Journal Year:
2024,
Volume and Issue:
72(31), P. 17176 - 17190
Published: July 27, 2024
Water
scarcity
and
land
infertility
pose
significant
challenges
to
agricultural
development,
particularly
in
arid
semiarid
regions.
Improving
soil-water-retention
capacity
fertilizer
utilization
efficiency
through
the
application
of
soil
additives
has
become
a
pivotal
approach
practices.
Hydrogels
exhibit
exceptional
water
absorption
retention
capabilities,
making
them
extensively
utilized
fields
agriculture,
forestry,
desert
control.
Currently,
most
reviews
primarily
focus
on
raw
materials,
classification,
synthesis
methods,
prospects
hydrogels,
with
limited
attention
given
strategies
for
enhancing
water-retention
performance,
mechanisms
underlying
absorption,
environmental
risks.
This
review
covers
commonly
used
cross-linking
methods
hydrogel
structure-activity
relationship
between
hydrogels
as
well
fertilizer.
Additionally,
thorough
analysis
ecological
benefits
risks
associated
is
presented.
Finally,
future
are
delineated
from
perspectives
material
design
engineering
applications.
Gels,
Journal Year:
2024,
Volume and Issue:
10(6), P. 368 - 368
Published: May 26, 2024
The
evolution
from
conventional
to
modern
agricultural
practices,
characterized
by
Agriculture
4.0
principles
such
as
the
application
of
innovative
materials,
smart
water,
and
nutrition
management,
addresses
present-day
challenges
food
supply.
In
this
context,
polymer
hydrogels
have
become
a
promising
material
for
enhancing
productivity
due
their
ability
retain
then
release
which
can
help
alleviate
need
frequent
irrigation
in
dryland
environments.
Furthermore,
controlled
fertilizers
decreases
chemical
overdosing
risks
environmental
impact
associated
with
use
agrochemicals.
potential
sustainable
agriculture
farming
on
soil
quality
is
revealed
deliver
nutritional
protective
active
ingredients.
Thus,
plant
growth,
development,
yield
was
discussed.
question
are
more
suitable
agriculture—natural
or
synthetic—is
debatable,
both
merits
drawbacks.
An
analysis
hydrogel
life
cycles
terms
initial
has
shown
advantage
bio-based
hydrogels,
cellulose,
lignin,
starch,
alginate,
chitosan,
derivatives
hybrids,
aligning
practices
reducing
dependence
non-renewable
resources.
Materials,
Journal Year:
2025,
Volume and Issue:
18(4), P. 823 - 823
Published: Feb. 13, 2025
Significant
progress
has
been
achieved
in
the
development
of
superabsorbent
polymers
(SAPs),
focusing
on
enhancing
their
performance
and
expanding
applications.
Efforts
are
particularly
directed
at
increasing
water
absorbency
while
promoting
environmental
sustainability.
Biodegradable
materials
such
as
starch
potassium
humate
have
successfully
integrated
with
SAPs
for
desert
greening,
improving
retention,
salt
resistance,
seedling
survival.
The
inclusion
nutrient-rich
organic-inorganic
composites
further
enhances
durability,
efficiency,
recyclability
SAPs.
In
drought
mitigation,
polymeric
absorbent
resins
polyacrylamide
starch-grafted
acrylates
shown
efficacy
ameliorating
soil
conditions
fostering
plant
growth.
arid
environments,
agents
enriched
humic
acid
bentonite
contribute
to
improved
aeration
creating
optimal
establishment.
Additionally,
adoption
innovative
waste
management
solutions
led
production
amphiphilic
from
residual
sludge,
effectively
addressing
nutrient
deficiencies
pollution.
food
industry,
containing
protease,
tea
polyphenols,
chitosan
exhibit
potential
stability
quality
seafood
products.
These
advancements
highlight
growing
relevance
structural
optimization
approaches
SAP
across
diverse
applications
underline
importance
continued
innovation
these
fields.
As
novel
emerge
challenges
intensify,
anticipated
expand
significantly.
Molecules,
Journal Year:
2025,
Volume and Issue:
30(5), P. 1126 - 1126
Published: Feb. 28, 2025
Global
challenges
in
agriculture,
terms
of
water
and
nutrient
loss
control,
require
new
approaches
to
maintaining
or
even
increasing
crop
production.
Promising
materials,
such
as
superabsorbent
hydrogels
hybrid
types
obtained
from
natural
polymers
grafted
with
synthetic
polymers,
represent
a
viable
solution
solve
these
problems
maintain
clean
environment.
In
view
this,
two
based
on
sodium
alginate,
acrylic
acid
polyethylene
oxide
using
5.5
MeV
electron-beam
irradiation
were
subjected
degradation
through
burial
the
soil.
Swollen
(distilled
tap)
solutions
(synthetic
100%
organic
solution),
different
pHs
5.40,
6.05,
7.45
7.66,
buried
soil
for
30
60
days
then
extracted
analyzed
their
mass
loss,
swelling
behavior
cross-linking
structure.
The
highest
losses
after
both
recorded
soils
whose
humidity
was
maintained
by
watering
them
basic
(tap
solution).
Structural
modifications
associated
process
highlighted
decreases
cross-link
densities
increases
mesh
sizes
swelling.
These
results
confirmed
FTIR
SEM
techniques.