Johanna Nikama

Research Engineer
  • Phone number +358295326394
  • Email address johanna.nikama(at)luke.fi
  • Address Tietotie 4 31600 JOKIOINEN

Conventional and biodegradable agricultural microplastics: effects on soil properties and microbial functions across a European pedoclimatic gradient

Refereed scientific publications
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2025

Soil Properties‐Based Targeting of Soil Conditioners for Reduced Phosphorus Loading From Agriculture

Refereed scientific publications
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2025

The amendment value of pulp and paper mill sludges in Finnish coarse-textured soil

Refereed scientific publications
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2024

Fertilization efficiency of thirty marketed and experimental recycled phosphorus fertilizers

Refereed scientific publications
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2024

Methodological choices in size and density fractionation of soil carbon reserves – A case study on wood fiber sludge amended soils

Refereed scientific publications
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2024

Improving plant availability of recycled phosphorus with organic acids

Refereed scientific publications
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2023

Improving coarse-textured mineral soils with pulp and paper mill sludges: Functional considerations at laboratory scale

Refereed scientific publications
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2023

Feasibility of Nitrogen-Enriched Chars as Circular Fertilizers

Refereed scientific publications
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2021

Slow pyrolysis liquid in reducing NH3 emissions from cattle slurry — Impacts on plant growth and soil organisms

Refereed scientific publications
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2021

Pore structure of wastewater sludge chars and their water retention impacts in different soils

Refereed scientific publications
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2021

Feasibility of cattle slurry acidified with sulphuric acid and pyrolysis liquid in grass production

Refereed scientific publications
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2020

Possibilities to improve soil aggregate stability using biochars derived from various biomasses through slow pyrolysis, hydrothermal carbonization, or torrefaction

Refereed scientific publications
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2019

Recycling nutrients from horse manure: effects of bedding type and its compostability

Refereed scientific publications
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2017

Fate of faecal indicator organisms and bacterial diversity dynamics in a series of continuously fed aerated tank reactors treating dairy manure

Refereed scientific publications
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2015