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@INPROCEEDINGS{Najjar:1021019,
author = {Najjar, Ashwaq and Kuchendorf, Christina and Kuhn, Arnd
Jürgen and Al-Tardeh, Sharaf},
title = {{A}mendment of poor soil substrate by biochar saturated
with biofertilizers (algae, manure) for sustainable
production of relevant {P}alestinian and {G}erman crop
plants {S}olanum lycopersicum {L}. and {H}ordeum vulgare
{L}.},
reportid = {FZJ-2024-00479},
year = {2023},
note = {Grant info: PGSB Palestinian German Science Bridge, FKZ
01DH16027},
abstract = {Soil degradation is a global problem that affects many
regions and communities, resulting in poor and stress-prone
marginal soils. The potentially positive effects of carbon
and nutrient content increase through the addition of
nutrient-saturated biochar were investigated on poor and
saline substrate in experiments with tomato and barley.
Biochar treatments were applied to nutrient- and carbon-poor
sandy substrates in two greenhouse pot experiments. Biochar
mixed with biofertilizers (algae $\&$ pig manure) at three
total carbon content levels (0.1, 0.3, 0.5 $\%$
C-concentration) was applied to test its effects on tomato
growth and soil properties during early growth stages. As a
follow-up, carbon addition was increased to $2\%$ via a
biochar-sheep manure mixture to test its effect on growth
parameters and quality of two barley cultivars (Palestinian
$\&$ German). Results showed that increasing
mineral-fertilizer saturated biochar concentration up to 0.5
$\%$ total C in saline soil (4 EC) increased tomato total
fruit numbers but delayed the ripening process $(24\%$ red
fruits in untreated pots, $15\%$ in treated pots). In saline
environment, biochar-pig manure mixture led to the highest
tomato shoot dry weight (41g) compared to $0\%$ biochar
treatments (31g). Increased biochar amount (up to $2\%)$ led
to increased shoot fresh weight of up to 1.7g in the German
barley cultivar after a 1-month growth period, compared to
non-treated $(0\%$ biochar) pots at 0.9g, respectively.
Increasing biochar up to $2\%$ increased the soil
water-holding capacity by up to $17\%$ compared to $0\%$
biochar control. In conclusion, nutrient-saturated biochar
constitutes a sustainable solution to condition substrates
to improve the quality and fertility of the soil by helping
to close the nutrient cycle and increasing the water hold
capacity, especially in carbon-poor soil substrate. Further
up-scaled greenhouse and field experiments are needed to
evaluate longer-term effects on yield and soil parameters.},
month = {Nov},
date = {2023-11-06},
organization = {7th Internationales BioSC Symposium:
"Bio-based solutions for a sustainable
economy", LVR Landesmuseum, Bonn
(Germany), 6 Nov 2023 - 7 Nov 2023},
subtyp = {Other},
cin = {IBG-2},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217)},
pid = {G:(DE-HGF)POF4-2171},
typ = {PUB:(DE-HGF)24},
doi = {10.34734/FZJ-2024-00479},
url = {https://juser.fz-juelich.de/record/1021019},
}