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Nitrogen and phosphorus release from paper mill biosolids as affected by material source and soil type under controlled incubation
2020
Canadian Journal of Soil Science
Combined paper mill biosolids (PB) are a well-known fertilizing source of N and P. Many jurisdictions have established default values for estimating their agronomic N and P contribution, but nutrient release can vary with their chemical properties and this has been little studied. The objective of this incubation study was to compare four PB of different sources along with a de-inking paper sludge (DPS) for their N and P release in three contrasting soils under controlled conditions (25°C, 60%
doi:10.1139/cjss-2020-0055
fatcat:azafcnbhtvcw7eh55h3h2y4zwq