Nitrogen Availability and Uptake from Field Soils Five Years after Addition of Sewage Sludge

1985 ◽  
Vol 14 (1) ◽  
pp. 95-100 ◽  
Author(s):  
S. A. Harding ◽  
C. E. Clapp ◽  
W. E. Larson
Keyword(s):  
Sewage Sludge ◽  
Nitrogen Availability ◽  
Field Soils

Ecotoxicological assessment of arable field soils fertilized with sewage sludge

Ekologija ◽  
2009 ◽  
Vol 55 (2) ◽  
pp. 142-152 ◽  
Author(s):  
Irena Eitminavičiūtė ◽  
Audronė Matusevičiūtė ◽  
Valerijus Gasiūnas ◽  
Milda Radžiūtė ◽  
Neda Grendienė
Keyword(s):  
Sewage Sludge ◽  
Ecotoxicological Assessment ◽  
Arable Field ◽  
Field Soils

scholarly journals Carbon Mineralization in a Soil Amended with Sewage Sludge-Derived Biochar

2019 ◽  
Vol 9 (21) ◽  
pp. 4481 ◽  
Author(s):  
Figueiredo ◽  
Coser ◽  
Moreira ◽  
Leão ◽  
Vale ◽  
...  
Keyword(s):  
Sewage Sludge ◽  
Co2 Emissions ◽  
Nitrogen Availability ◽  
Carbon Mineralization ◽  
Environmental Benefits ◽  
N Availability ◽  
Soil N ◽  
Total N ◽  
Soil N Availability ◽  
Organic Matter Stabilization

Biochar has been presented as a multifunctional material with short- and long-term agro-environmental benefits, including soil organic matter stabilization, improved nutrient cycling, and increased primary productivity. However, its turnover time, when applied to soil, varies greatly depending on feedstock and pyrolysis temperature. For sewage sludge-derived biochars, which have high N contents, there is still a major uncertainty regarding the influence of pyrolysis temperatures on soil carbon mineralization and its relationship to soil N availability. Sewage sludge and sewage sludge-derived biochars produced at 300 °C (BC300), 400 °C (BC400), and 500 °C (BC500) were added to an Oxisol in a short-term incubation experiment. Carbon mineralization and nitrogen availability (N-NH4+ and N-NO3−) were studied using a first-order model. BC300 and BC400 showed higher soil C mineralization rates and N-NH4+ contents, demonstrating their potential to be used for plant nutrition. Compared to the control, the cumulative C-CO2 emissions increased by 60–64% when biochars BC300 and BC400 were applied to soil. On the other hand, C-CO2 emissions decreased by 6% after the addition of BC500, indicating the predominance of recalcitrant compounds, which results in a lower supply of soil N-NH4+ (83.4 mg kg−1) in BC500, being 67% lower than BC300 (255.7 mg kg−1). Soil N availability was strongly influenced by total N, total C, C/N ratio, H, pore volume, and specific surface area in the biochars.

scholarly journals Effect of sewage sludge on nitrogen availability in peat

1992 ◽  
Vol 13 (4) ◽  
pp. 248-251 ◽  
Author(s):  
J. A. Diez ◽  
A. Polo ◽  
F. Guerrero
Keyword(s):  
Sewage Sludge ◽  
Nitrogen Availability

Differences on nitrogen availability in a soil amended with fresh, composted and thermally-dried sewage sludge

2008 ◽  
Vol 99 (2) ◽  
pp. 252-259 ◽  
Author(s):  
D. Tarrasón ◽  
G. Ojeda ◽  
O. Ortiz ◽  
J.M. Alcañiz
Keyword(s):  
Sewage Sludge ◽  
Nitrogen Availability
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