Environmental Science & Technology,
Journal Year:
2019,
Volume and Issue:
53(11), P. 6501 - 6510
Published: April 24, 2019
Recovering
human-derived
nutrients
from
sanitation
systems
can
offset
inorganic
fertilizer
use
and
improve
access
to
agricultural
in
resource-limited
settings,
but
the
agronomic
value
of
recovered
products
depends
upon
product
chemistry
soil
context.
Products
may
exacerbate
already-compromised
conditions,
offer
benefits
beyond
nutrients,
or
have
reduced
efficacy
depending
on
characteristics.
Using
global
spatial
modeling,
we
evaluate
suitability
seven
(wastewater,
sludge,
compost,
urine,
ammonium
sulfate,
struvite,
potassium
struvite)
integrate
this
information
with
local
recovery
potential
each
that
will
need
be
installed
achieve
universal
coverage
(referred
here
as
"newly-installed
sanitation").
If
reuse
are
colocated,
quantity
nutrient
was
variable
across
countries.
For
example,
alkaline
(e.g.,
particularly
beneficial
when
applied
acidic
soils
Uganda
potentially
detrimental
southwestern
United
States.
Further,
illustrate
discrepancies
data
sets
highlight
for
locally
accurate
data,
knowledge,
interpretation.
Overall,
study
demonstrates
context
is
critical
comprehensively
characterize
proposition
recovery,
it
provides
a
foundation
incorporating
into
decision-making.
Nutrient Cycling in Agroecosystems,
Journal Year:
2023,
Volume and Issue:
unknown
Published: July 14, 2023
Abstract
The
European
Commission
recently
set
a
target
of
increasing
the
area
organic
agriculture
to
25%
by
2030.
To
achieve
this,
it
is
imperative
understand
current
nutrient
use
patterns
and
identify
sustainable
supply
opportunities.
that
end,
this
study
assessed
sustainability
origin
71
arable
farms
in
8
regions.
Deficient
was
found
on
24%,
66%,
56%
for
nitrogen,
phosphorus,
potassium,
respectively.
On
average,
we
show
moderate
surplus
nitrogen
(28
kg
ha
−1
),
while
phosphorus
potassium
balances
were
close
zero
(−
1
2
,
respectively).
Large
variation
between
countries
farm
types
shows
divide
more
intensive
systems
relying
external
inputs,
less
facing
deficits
lower
outputs.
We
show,
first
time,
extent
input
types,
where
conventional
manures
supplied
17–26%
nutrients
inputs
from
non-agricultural
31–41%.
A
large
proportion
sources
within
last
group
are
materials
derived
urban
wastes.
expansion
sector
will
require
increased
locally
available
recycled
fertilizers
wastes,
acceptance
such
farmers
shown
be
high,
provided
they
considered
safe.
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: April 2, 2024
Biostimulants
(Bio-effectors,
BEs)
comprise
plant
growth-promoting
microorganisms
and
active
natural
substances
that
promote
nutrient-acquisition,
stress
resilience,
growth,
crop
quality
yield.
Unfortunately,
the
effectiveness
of
BEs,
particularly
under
field
conditions,
appears
highly
variable
poorly
quantified.
Using
random
model
meta-analyses
tools,
we
summarize
effects
107
BE
treatments
on
performance
major
crops,
mainly
conducted
within
EU-funded
project
BIOFECTOR
with
a
focus
phosphorus
(P)
nutrition,
over
five
years.
Our
analyses
comprised
94
controlled
pot
47
experiments
different
geoclimatic
levels
across
European
countries
Israel.
The
results
show
an
average
growth/yield
increase
by
9.3%
(n=945),
substantial
differences
between
crops
(tomato
>
maize
wheat)
growth
conditions
(controlled
nursery
+
(Seed
germination
young
plants
transplanted
to
field)
field).
Average
responses
were
independent
type,
P
fertilizer
soil
pH
plant-available
(water-P,
Olsen-P
or
Calcium
acetate
lactate-P).
profited
from
manure
other
organic
fertilizers,
increasing
presence
abiotic
stresses
(cold,
drought/heat
salinity).
Systematic
meta-studies
based
published
literature
commonly
face
inherent
problem
publication
bias
where
most
suspected
form
is
selective
statistically
significant
results.
In
this
meta-analysis,
however,
obtained
all
are
included.
Therefore,
it
free
bias.
contrast
reviews
literature,
our
unique
study
design
common
standardized
protocol
which
applies
reduce
sources
variability.
Based
data
yield
acquisition,
conclude
application
BEs
can
save
resources
in
future,
but
efficiency
depends
cropping
systems
environments.
Environmental Science & Technology,
Journal Year:
2019,
Volume and Issue:
53(11), P. 6501 - 6510
Published: April 24, 2019
Recovering
human-derived
nutrients
from
sanitation
systems
can
offset
inorganic
fertilizer
use
and
improve
access
to
agricultural
in
resource-limited
settings,
but
the
agronomic
value
of
recovered
products
depends
upon
product
chemistry
soil
context.
Products
may
exacerbate
already-compromised
conditions,
offer
benefits
beyond
nutrients,
or
have
reduced
efficacy
depending
on
characteristics.
Using
global
spatial
modeling,
we
evaluate
suitability
seven
(wastewater,
sludge,
compost,
urine,
ammonium
sulfate,
struvite,
potassium
struvite)
integrate
this
information
with
local
recovery
potential
each
that
will
need
be
installed
achieve
universal
coverage
(referred
here
as
"newly-installed
sanitation").
If
reuse
are
colocated,
quantity
nutrient
was
variable
across
countries.
For
example,
alkaline
(e.g.,
particularly
beneficial
when
applied
acidic
soils
Uganda
potentially
detrimental
southwestern
United
States.
Further,
illustrate
discrepancies
data
sets
highlight
for
locally
accurate
data,
knowledge,
interpretation.
Overall,
study
demonstrates
context
is
critical
comprehensively
characterize
proposition
recovery,
it
provides
a
foundation
incorporating
into
decision-making.
