Caracterización cromatográfica y microbiológica de muestras de suelo provenientes de parcelas de la Comuna Centro del Pueblo Alangasí
Bionatura journal :,
Год журнала:
2025,
Номер
2(1), С. 1 - 19
Опубликована: Фев. 20, 2025
El
suelo
es
un
ecosistema
vital
para
la
supervivencia
de
toda
especie
dentro
del
planeta.
Este
recurso
está
en
riesgo
debido
a
procesos
erosivos
ocasionados
por
factores
naturales
y
potenciados
actividades
antropológicas.
presente
estudio
evaluó
calidad
los
terrenos
afectados
no
incendios
forestales
Comuna
Centro
Pueblo
Alangasí.
Se
evaluaron
cinco
parcelas
(197,
200,
205,
274
B)
través
pruebas
cualitativas
(cromatografía
Pfaiffer)
cuantitativas
(método
gravimétrico
LOI).
caracterizó
preliminarmente
las
bacterias
estas
zonas,
además
realización
complementarias
medición
fósforo
glucosa.
Los
resultados
demostraron
que
parcela
205
(sin
afectación)
presentó
mejor
calidad,
mientras
197
(afectada
incendio)
mostró
una
ligera
recuperación,
contraste
con
200
(suelo
tipo
cangahua)
tuvo
condición
más
desfavorable.
Asimismo,
se
encontró
predominancia
Gram
positivas,
especialmente
suelos
el
fuego
(197)
mayor
presencia
cangahua
(200).
En
quemada
observó
acumulación
total,
así
como
buena
correlación
entre
glucosa
crecimiento
bacteriano.
Concluyendo
cobertura
vegetal,
cantidad
nutrientes,
condiciones
fisicoquímicas
influyen
salud
suelo.
Palabras
clave:
suelo,
incendio
forestal,
bacterias,
materia
orgánica,
cromatografía,
fósforo,
glucosa,
cangahua,
diversidad
microbiana
Investigation of bioremediation mechanism of nicosulfuron-contaminated soil by highly efficient degrading bacterial consortium YM1: Analysis of degradation genes and microbial community structure
Applied Soil Ecology,
Год журнала:
2025,
Номер
209, С. 106060 - 106060
Опубликована: Март 28, 2025
Язык: Английский
Development of robust nurseries through cyanobacteria as seed priming or nursery media amendment options and their interactions with tomato cultivars
Deepti Varsha,
Akanksha Bhardwaj,
Awani Kumar Singh
и другие.
Scientia Horticulturae,
Год журнала:
2025,
Номер
346, С. 114169 - 114169
Опубликована: Апрель 1, 2025
Язык: Английский
Enhanced remediation of paddy soils contaminated with butachlor through the application of nitrogen-fixing cyanobacteria as a nitrogen fertilizer substitute
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Май 22, 2025
Abstract
Butachlor,
a
widely
used
herbicide
in
paddy
fields,
exhibits
persistent
environmental
residues,
posing
significant
ecological
concerns.
Nitrogen-fixing
cyanobacteria
(NFC),
as
biofertilizer,
not
only
enhance
soil
fertility
and
crop
growth
but
also
show
potential
influencing
the
fate
of
herbicides.
However,
specific
effects
NFC
nitrogen
fertilizer
substitute
on
butachlor
remediation
soils
remains
unexplored.
To
address
this,
105-day
outdoor
pot
experiment
was
conducted
to
evaluate
impact
properties,
microbial
community
dynamics,
removal
efficiency.
The
results
showed
that
application
increased
carbon
content,
enhanced
enzyme
activities
(e.g.,
urease),
reshaped
structure
compared
with
conventional
fertilization.
Co-occurrence
network
analysis
further
complexity
networks,
leading
closer
species
interactions
favoring
aggregation
proliferation
microorganisms
mediate
degradation
Sphingomonas).
As
result,
extinction
accelerated,
amount
residue
at
harvesting
stage
reduced
by
35.81–57.06%
relative
This
study
provides
theoretical
foundation
for
soils,
highlighting
its
improve
health
sustainability
context
use.
Язык: Английский
The ecotoxicological effects of thiamethoxam on photosynthesis and nitrogen fixation in cyanobacteria: From inhibition to recovery
Journal of Environmental Sciences,
Год журнала:
2025,
Номер
unknown
Опубликована: Июнь 1, 2025
Язык: Английский
Effects of Stocking Density of Filter-Feeding Fishes on Water Quality and Bacterial Community in Rice–Crayfish Polyculture System
Water,
Год журнала:
2024,
Номер
16(16), С. 2296 - 2296
Опубликована: Авг. 14, 2024
To
evaluate
the
effects
of
filter-feeding
fishes
on
water
quality
and
bacterial
community
in
rice–crayfish
coculture
system,
four
different
stocking
densities
bighead
carp
(0,
500,
1000,
1500
ind./200
m2)
were
set
up
systems.
Water
samples
systems
collected
biweekly
to
detect
dissolved
oxygen
(DO),
temperature
(T),
potential
Hydrogen
(pH),
ammonia
nitrogen
(NH4+-N),
nitrite
(NO2−-N),
nitrate
(NO3−-N),
total
(TN),
phosphorus
(TP),
Chlorophyll-a
(Chl-a);
was
analyzed
simultaneously,
then
correlation
between
microorganisms
studied.
The
results
showed
that
concentrations
TN,
TP,
NO2−-N,
NH4+-N
decreased
while
DO
NO3−-N
increased
along
with
breeding
process.
NO3−-N,
important
environmental
factors
affecting
structure
(p
<
0.05).
Bighead
had
an
impact
diversity,
richness,
evenness
communities
dominant
bacteria
density
groups
Proteobacteria,
Actinomycetes,
Bacteroidetes,
Cyanobacteria.
abundance
Bacteroidea
but
reduced
Cyanobacteria,
Proteobacteria.
introduction
promoted
conversion
phosphorus,
reducing
risk
cyanobacterial
blooms.
Group
1000
m2
exhibited
best
effect
removal
from
body.
Язык: Английский